Journal Information

Issn: CN 22-1128/O6

CN:ISSN 1000-0518

Director:Chinese Academy of Sciences

Host:Changchun Institute of Applied Chemistry, Chinese Academy of Sciences

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Synthesis of Side-chain-sulfonated Poly(ether ether ketone) as Cation Exchange Membranes by Atom Transfer Radical Polymerization
HUANG Xuehong, LIN Juan, ZHENG Ronxue, LIN Yifeng, DING Fuchuan*, LING Qidan*
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2014.30400
Progress in the Chemistry of Materials Based on Graphene
XU Chao, CHEN Sheng, WANG Xin*
Chinese Journal of Applied Chemistry    2011, 28 (01): 1-9.   DOI: 10.3724/SP.J.1095.2010.00205
Abstract4410)      PDF (2726KB)(11502)      

We present a brief review of recent progress in materials chemistry based on graphene, including the preparation and surface modification of graphene and graphene-based composites. The composites consisted of graphene and polymers, inorganic particles and other carbonaceous materials are described principally. In addition, the prospective applications of these graphenebased materials have also been briefly introduced.

Cited: CSCD(16)
Synthesis of sevoflurane changed by halogen-exchange fluorination in Ionic Liquids
LI Bin-Dong*,LV Chun-Xu
Chinese Journal of Applied Chemistry    2009, 26 (09): 1126-1128.  
Abstract2417)      PDF (185KB)(11448)      

Sevoflurane was synthesized from 1,1,13,3,3-hexafluoro-2-(chloromethoxy)-propane by halogen-exchange in the presence of an ionic liquid as the solvent and a fluorinating agent . Mechanism of the phase transfer catalysis was discussed. The effects of [bpy]BF4, [bmim]BF4, [bepy]BF4 and [bmim]PF6 on the yield were investigated. The ionic liquidwater system and high surface area could not only induce KF to enter into the ionic liquid to produce high active F- but also reduce the formation of byproducts. The yield was 94.6%. The ionic liquid could be reused for three times without noticeable loss of activity.

Cited: CSCD(1)
Physical Stability of Ametryne Suspension Concentrate
LI Hui, LU Fusui*, WANG Huying, ZHAI Lili, LI Xiuli
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2012.00158
Preparation of New Stainless Steel Substrate Lead Dioxide-Tungsten Carbide Composite Inert Anode Material
LIAO Denghui1, CHEN Zhen1*, GUO Zhongcheng1, LU Lifang1
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2012.20065
Synthesis and Properties of Polymer Containing 1,3,4-Oxadiazole and Azobenzene Units
LI Cong, YU Shi-Jun*, ZHANG Yue, WANG Lu, FENG Chun-Liang, JIN Qi-Feng
Chinese Journal of Applied Chemistry    2010, 27 (10): 1138-1143.   DOI: 10.3724/SP.J.1095.2010.90835
Abstract4025)      PDF (411KB)(6697)      

A novel conjugated polymer containing azobenzene and 1,3,4-oxadiazole units(LPOXD) was synthesized. The structure of the LPOXD was charactered by FT-IR, UV-Vis, 1H NMR, GPC, TGA and DSC. The results indicate that the intrinsic viscosity of the LPOXD is 0.02960 L/g, and its Mw and molecular mass distribution or polydispersity index(PDI) values are 8500 g/mol and 1.55, respectively. A 5% mass loss of the LPOXD occurred at 290 ℃. The glass-transition temperature(Tg) is 92.8 ℃. The introduction of long side chain of alkoxy significantly improved LPOXD′s solubility in common organic solvents such as chloroform, tetrahydrofuran, and so on. Furthermore, the optical and electrochemical properties of the LPOXD were investigated throughly by UV-Vis absorption spectroscopy, fluorescence emission spectroscopy and cyclic voltammetry. The results indicate that the azobenzene in the LPOXD involve a trans-cis photoisomerization under the radiation of 365 nm UV light. A wide fluorescence peak of the LPOXD appeared in the wavelength range of blue and purple light under excitaion at 350 nm. Cyclic voltammetry reveals that the LUMO and HOMO energies of the LPOXD are -5.96 eV and -3.17 eV, respectively.

Cited: Baidu(9) CSCD(2)
Recent Advance of Affinitive Biosensors in Biomedical Applications
LIU Chuanyin1,2, HU Jiming2*
Chinese Journal of Applied Chemistry    2011, 28 (06): 611-623.   DOI: 10.3724/SP.J.1095.2011.00455
Abstract2496)      PDF (2522KB)(6610)      

Biosensors have received vigorous development and serious concern in recent years owing to the combinations with nanotechniques, flow-injection and micro-fluidics devices. Affinitive biosensor is a kind of high-tech sensing device based on the specific affinity between biological molecules, and the affinity of bioactive substance and substrate. With the advantages of high specificity, good sensitivity, high speed, low cost, on-line measuring and monitoring in complicated system, affinitive biosensors are widely used in biomedical fields, such as the detection of biomedical markers, nucleic acids, proteins, viruses, bacteria and toxins, the research of medicine actions mechanism, clinical drug screening, and etc. In this paper, the recent advance of affinitive biosensors in biomedical applications are reviewed. We also focus on a growing number of applications and progress in immunosensors and aptamer-based biosensors for tumor biomarker, nucleic acids and proteins. It covers the basic principles and biomedical and clinical applications of immunosensors and aptamerbased biosensors,and indicates the future prospects in this field.

Cited: CSCD(3)
Preparation and Application of High Stability Metal-Organic Framework UiO-66
HAN Yitong,LIU Min,LI Keyan,ZUO Yi,ZHANG Guoliang,ZHANG Zongchao,GUO Xinwen
Chinese Journal of Applied Chemistry    2016, 33 (4): 367-378.   DOI: 10.11944/j.issn.1000-0518.2016.04.150439
Abstract10371)   HTML409)    PDF (943KB)(6516)      

Metal-organic frameworks(MOFs) are a new class of hybrid porous crystalline materials constructed from metal-oxygen clusters with organic linkers, creating three dimensional ordered frameworks. As porous materials, MOFs usually possess very high surface area. The framework topologies and pore size of MOFs can be designed via choosing various metal centers and organic linkers, their chemical properties can be modified by chemical functionalization of linkers and post modification. These unique characteristics make MOFs one of the research hot spots in the fields of chemistry and materials, and they have shown potential applications in various research areas. But there is a crucial weakness which hinders the development of MOFs, namely, the low stability. However, zirconium-terephthalate-based MOF UiO-66 has remarkable hydrothermal stability, the framework is claimed to be stable up to 500 ℃, and it is also highly resistant to many solvents. UiO-66 has gained great attention since the outstanding qualities. In this review, details of the synthesis modulation and functionalization of UiO-66 are presented. In addition, the research actuality and prospective of UiO-66 in the fields of adsorption, catalysis, etc. are also discussed.

Cited: CSCD(12)
Improvement of the Oxidation Process in the Synthesis of 2,6-Diamino-3,5-dinitropyrazine-1-oxide
ZHAO Xuejing, ZHU Jie, LU Ming*
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2013.30043
Recent Progress in DNA origami
FU Yan-Ming1,3, ZHANG Zhao2, LI Can2, SHI Yong-Yong, YAN Xiu-Feng, FAN Chun-Hai
Chinese Journal of Applied Chemistry    2010, 27 (02): 125-131.   DOI: 10.3724/SP.J.1095.2010.90384
Abstract1749)      PDF (1508KB)(5365)      

DNA origami is a new DNA self-assembly method raised recently, and it is a major innovation in the field of DNA nanotechnology and self-assembly. Compared to the traditional DNA self-assembly, DNA origami uses a long single-stranded genomic DNA with a series of short complementary single-strands DNA, and it can construct more complex and more controllable nanopatterns or structures, with a wide range of potential applications in the emerging field of nanotechnology. In this paper, we briefly introduced the principles of DNA origami, then reviewed the origin and development of DNA origami and its potential applications in the field of DNA chip, nanocomponents and nanomaterials. At the end we discussed the future directions of development.

Analysis of Structure and Imidization of Poly(amic acid) Using FTIR Spectroscopy
JIN Ying, ZENG Guangfu, ZHU Danyang, HUANG Yan, SU Zhaohui*
Chinese Journal of Applied Chemistry    2011, 28 (03): 258-262.   DOI: 10.3724/SP.J.1095.2011.00332
Abstract2551)      PDF (346KB)(5065)      

We monitored the imidization process of poly(amic acid) synthesized from pyromellitic dianhidride and 4,4′-oxydianiline, and analyzed the IR bands of the poly(amic acid) and the polyimide after thermal imidization using variable temperature FTIR spectroscopy in transmission mode. We investigated peak assignments of the poly(amic acid) and the polyimide and found —COO- and —NH+2 in the system. The C=O symmetrical and asymmetrical stretching vibrations in —COO- locate at 1607 and 1406 cm-1 respectively, NH+2 stretching vibration locate at 3200, 3133, 2938, 2880, 2820, 2610 cm-1. According to the identified IR absorption peaks of —COO- and —NH+2, we proposed the mechanism of the imidization process of poly(amic acid) that during the imidization H+ from COOH of the poly(amic acid) can move to NH of the poly(amic acid) and form —COO- and NH+2, then the intermediate cyclodehydrates to polyimide at last.

Cited: CSCD(12)
Progress in Supercapacitors Based on Carbon Nanotubes
ZHANG Renyi, ZHANG Xiaoyan, FAN Huajun, HE Pingang*, FANG Yuzhi
Chinese Journal of Applied Chemistry    2011, 28 (05): 489-499.   DOI: 10.3724/SP.J.1095.2011.00481
Abstract2581)      PDF (1515KB)(5018)      

This paper summarized the progress of supercapacitors electrode materials based on carbon nanotubes and their composites. The capacitor′s characteristics will be effectively improved when carbon nanotubes are modified or the carbon nanotubes composite with other materials. The article focuses on the recent development of the supercapacitor electrode materials using carbon nanotubes with the techniques of modification, activation, and dispersion, as well as nanotubes-transition metal oxide composites, carbon nanotubes-conductive polymer composites, and carbon nanotubes-graphene composites.

Cited: CSCD(8)
Critical Micelle Concentration Determination of Sodium Dodecyl Benzene Sulfonate by Synchronous
Fluorescence Spectrometry
ZHANG Jian, QIU Yu, YU Dao-Yong*
Chinese Journal of Applied Chemistry    2009, 26 (12): 1480-1483.  
Abstract3184)      PDF (248KB)(4382)      

The critical micelle concentration of sodium dodecyl benzene sulfonate, which is a typical anion surfactant, was respectively determined by surface tension, electrical conductivity, UVVis absorption spectral and synchronous fluorescence spectral methods. Results show that synchronous fluorescence spectral method is characterized by less sample volume, high sensitivity, and high accuracy. The first and the second critical micelle concentrations were determined by the synchronous fluorescence spectral method to be 1.48 and 6.90 mmol/L respectively, which are well consistent with those data from the traditional surface tension and electrical conductivity methods, thus, verifying the reliability of synchronous fluorescence spectrometry to measure the critical micelle concentrations of surfactants.

Cited: CSCD(10)
Recent Progress in Oxidative Bromination of Organic Compounds
JU Jie, GAO Jian-Rong, LI Yu-Jin*
Chinese Journal of Applied Chemistry    2010, 27 (06): 621-625.   DOI: 10.3724/SP.J.1095.2010.90424
Abstract2170)      PDF (327KB)(4227)      

The research progress on oxidative bromination reactions of compounds with functional groups including α-carbonyl hydrogen, the ring of arene, alkene double bond, the side chain of arene and alkanes is reviewed. The main oxidation of bromide system is Br-/H2O2 and Br-/BrO-3. The different conditions of reaction are discussed in detail. The perspective on this research field is also suggested.

Cited: CSCD(2)
Synthesis and Properties of Luminescent Carbon Dots and Its Applications
ZHANG Chuanzhou1, TAN Hui1, MAO Yan1,2, LI Gang1, HAN Dongxue2*, NIU Li2
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2013.20462
Research Development of Direct Formic Acid Fuel Cells
SHEN Juan-Zhang, YANG Gai-Xiu, TANG Ya-Wen, LU Tian-Hong*
Chinese Journal of Applied Chemistry    2010, 27 (08): 869-874.   DOI: 10.3724/SP.J.1095.2010.90726
Abstract2793)      PDF (327KB)(4157)      

In recent years, significant developments in direct formic acid fuel cell(DFAFC) have been made. It was reported that the largest energy density of DFAFC with Pd as anodic catalyst is 0.25 W/cm2, which is close to that of proton exchange membrane fuel cell(PEMFC) with hydrogen as fuel and indicates the excellent development prospects of DFAFC. This review summarized the research development in DFAFC, the mechanism of the oxidation of formic acid, the underlined reason and mechanism of the increase in the performance of Pd based composite catalysts, the main problems of DFAFC and described its development prospects.

Synthesis of Cyclo( L-Lys- L-Lys)-Based Organogelators and Their Applications for Phase-Selective Gelation and Dye Adsorption
GENG Huimin, ZONG Qianying, YOU Jie, YE Lin, ZHANG Aiying, FENG Zengguo
Chinese Journal of Applied Chemistry    2015, 32 (8): 900-908.   DOI: 10.11944/j.issn.1000-0518.2015.08.140423
Abstract1147)   HTML19)    PDF (2491KB)(4063)      

One linear and one macrocyclic tetrapepitides(4 and 5) with Fmoc were synthesized by two ways of Trt protection group cleavage in the preparation of symmetrical tetrapepitides using cysteine-modified cyclo(L-Lys-L-Lys) diketopi-perazines. Both tetrapepitides show excellent capability to gelate a number of organic solvents to give thermo-reversible organogels. The self-assembled fibrillar networks in the organogels were distinctly observed by SEM. Interestingly, two organogelators could selectively gelate common chlorinated organic solvents from their mixture with water, even at a concentration as low as 0.1%(volume fraction). Moreover, the xerogel obtained from the organogel of compound 4 in chloroform can high efficiently adsorb various tested dyes from aqueous solutions due to the larger specific surface area of 3D xerogel network showing a micro- and nano-sized structure and the π-π interaction between dye molecules and Fmoc protection groups. The absorption capacity of the xerogel for those dyes increases with the temperature.

Preparation and Performance of Chitosan-Polyvinyl Alcohol-sodium Tripolyphosphate Complex Microparticles
HUANG Qiong-Yu, ZHANG Ming-Xia, LIU Fang, XIAO Xiu-Feng, LIU Rong-Fang*
Chinese Journal of Applied Chemistry    2010, 27 (01): 21-26.  
Abstract1641)      PDF (1785KB)(4000)      

Chitosan/polyvinyl alcohol/sodium tripolyphosphate complex microparticles were prepared from chitosan, polyvinyl alcohol and sodium tripolyphosphate. The effects of CS content on complex microparticles and different ions, pH on the degree of equilibrium swelling were investigated. The component, structure and morphology of complex microparticles were characterized by means of X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM). The results indicate that the chitosan-polyvinyl alcohol is a compatible system; the crystallization of PVA declines with the increase of CS content; the particle size is about 400-950 μm with rough surfaces. The equilibrium swelling tests show that with the increasing of CS content, the equilibrium swelling ratio increases firstly, then decreases; the equilibrium swelling ratio of  CS/PVA/TPP complex microparticles in pH=3-8 solution is the best and in the same solution, that of microparticles decreases with the ion content increases.The microparticles have swelling-shrinking reversibility, implying that CS/PVA/TPP complex microparticles are pH/ion-sensitive and could provide experimental and theoretical basis for drug delivery system.

Synthesis and Application Progress of Organic Phosphorus-Containing Flame Retardants
LI Nana,JIANG Guowei,ZHOU Guangyuan,JIANG Zhenhua,WANG Huawei
Chinese Journal of Applied Chemistry    2016, 33 (6): 611-623.   DOI: 10.11944/j.issn.1000-0518.2016.06.150299
Abstract1607)   HTML33)    PDF (774KB)(3989)      

Organic phosphorus-containing flame retardants have good characteristics, such as high efficiency, low toxicity, no pollution and smokeless. To date, research of synthesis and application in this field attracts a lot of attention. This paper reviewed recent developments, current status and potential future trends of organic phosphorus-containing flame retardants. The classification and mechanism of organic phosphorus-containing flame retardants were also introduced. The development and problems in the application were outlined considering the aspects of organic phosphorus-containing fire retardants.

Cited: CSCD(17)
Recent Advances in Radical Trifluoromethylation Reactions
ZENG Wei, CHEN Fuxue*
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2014.30378
Synthesis of Amphiphilic β-Cyclodextrins and Their Nanospheres in Water
GUO Wenyan1,2, ZHAO Minggang1*, HAO Aiyou3
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2012.20164
Recent Progress in Glucose Biosensors
YANG Xiuyun1, LIANG Feng1,2, ZHANG Wei2, HU Lianzhe2, MAJEED Saadat2,3, LI Yunhui1, XU Gaobao2*
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2012.20443
Progess in Superhydophobic Bio-surfaces
SHI Yanlong*, FENG Xiaojuan
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2012.00328
Recent Progress in Synthetic Methods of Small Molecule Antigen
WANG Jianhua*, ZHANG Chong
Chinese Journal of Applied Chemistry    2011, 28 (04): 367-375.   DOI: 10.3724/SP.J.1095.2011.00364
Abstract2968)      PDF (698KB)(3559)      

With increasing applications of immune assay, the synthesis of artificial antigen with good stability and immunogenic is the key and premise to prepare the antibody and to establish the method for small molecule immune assay. The progress of synthesis and design method of hapten, carrier selection and the couple method of hapten with carrier are reviewed in this paper. In addition, some questions of the synthesis of small molecule artificial antigen were also discussed.

Cited: CSCD(12)
Synthesis of New Fluorinated Epoxides and Preliminary Investigations on Their UV-curing Properties
LI Cong1, HU Fang-Yu1, JIANG Li-Ming1*, CHENG Xin-Chai2, CHEN Yao-Zu2
Chinese Journal of Applied Chemistry    2011, 28 (02): 177-181.   DOI: 10.3724/SP.J.1095.2011.00244
Abstract2397)      PDF (384KB)(3505)      

Perfluoroalkyoxy-substituted cyclohexene oxides(EFPO1 and EFPO2) were obtained by two-step reactions using the dimer and trimer of hexafluoropropylene oxide and 4-cyclohexene-1,2-dimethanol as main raw materials. The structures of assynthesized products were confirmed by spectroscopy analyses including FT-IR and 1H NMR. These fluoro-epoxides are compatible with the prepolymers such as bisphenol-A diglycidyl ether and ethylene glycol diglycidyl ether, thereby endowing the coatings composed of them with improved hydrophobicity as evidenced by the photoinitiated curing experiments. The preliminary investigation of their UV-curing performance shows that the hydrophobicity increases linearly with increasing fluoro-epoxide content in the composition. As expected, the hydrophobic effect is more pronounced for EFPO2 than EFPO1 at the same conditions, because the former has a longer ferfluoroalkyoxy group. For example, upon addiing 1% mass fraction of EFPO2, the water contact angle of the UVcured films was 99° and was higher 14° than that found for the films without the fluoro-component, whereas the value for EFPO1modified films was 87°. When containing 5% EFPO2, high hydrophobic surface was achieved with a water contact angle of 113 for the UV-cured films. In addition, it should be pointed out that the hydrophobic surface can be further improved by heating the UVcured films at 110 ℃ for 6 h. For the coatings containing 1%~5% EFPO2, the post-heating treatment resulted in a change of the water contact angles from the range 99°~113° to 113°~118°, while the changes were from 87°~100° to 99°~110° for EFPO1 analogs. The thermal migration of fluorochains and aggregation on the film surface seems to be responsible for the enhancement in hydrophobicity. Consequently, this new type of fluorinecontaining epoxy monomers is expected as the surface modifier used in coatings, inks and release materials.

Research Progress on Synthesis and Application of Cyclotriphosphazene-based Flame Retardants
YOU Geyun, CHENG Zhiquan, HAO Peng, HE Hongwu*
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2014.30536
Current Situation and Perspectives of Single Electron Transfer Living Radical Polymerization
DING Wei*, SUN Ying, LV Chongfu, WEI Jijun, YU Tao
Chinese Journal of Applied Chemistry    2011, 28 (03): 245-253.   DOI: 10.3724/SP.J.1095.2011.00268
Abstract2535)      PDF (422KB)(3462)      

In this paper, we mainly discussed the involved mechanism in single electron transfer living radical polymerization. The types of catalysts, ligands, solvents as well as monomers suitable for such kinds of polymerizations have been also addressed in detail. In addition, the perspectives of this single electron transfer living radical polymerization was highlighted.

Cited: CSCD(2)
Progress of First-principles Calculations on Hydrogen Storage Materials
LI Lan-Lan, CHENG Fang-Yi, TAO Zhan-Liang, CHEN Jun*
Chinese Journal of Applied Chemistry    2010, 27 (09): 998-1003.   DOI: 10.3724/SP.J.1095.2010.90807
Abstract2374)      PDF (800KB)(3438)      

First-principle calculations have become a valuable tool in the study and exploration of new energy hydrogen storage materials. In this paper, novel results and important progresses on the first-principle calculations of hydrogen storage materials are introduced. The application of first-principle calculations in hydrogen storage materials can be summarized as follows:1)studying the hydrogen storage properties of nanostructures, 2)clarifying the role of dopants and defects in the hydrogen storage materials, 3)elucidating the hydrogen storage mechanisms, 4)determining the structure of hydrogen storage materials and predicting new materials. The perspective of using first-principle calculations is proposed for future material innovation in the field of hydrogen storage.

Cited: CSCD(2)
Industrial Application of Nickel-Iron Battery and Its Recent Research Progress
JIANG Wei1,3, WU Yaoming1,2*, CHENG Yong1, WANG Limin1,2
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2014.30353
The Thermal Stabilities and Micro-structure of Transparency Bulk PMMA/TiO2 Hybrid Materials
BI Yu-Tie1,2, LIN Hong-Bo2, ZHANG Lin2, WANG Xian1,2, SHANG Cheng-Wei2
Chinese Journal of Applied Chemistry    2009, 26 (10): 1244-1246.  
Abstract1742)      PDF (201KB)(3387)      

Silicon dioxide sol were synthesized from inorganic salt precursors tetraethylorthosilioate by hydrolysis and condensation in water solvent. The thermal stabilities and micro-structure of the PMMA/TiO2 hybrid materials are characterized with TEM,DSC and TG. The studies revel that the diameter of the particles are about 100nm and the glass transition temperature of PMMA/SiO2 hybrid materials including 20wt% of SiO2 disappears; and the forming of homogeneous inter-penetrated network between organic phase and inorganic phase demonstrate the miscibility of the two species has been improved.

Survey of the Chemical Transformation Progress of Glycerol
YUE Chuanjun*, WANG Li, SU Yang, ZHU Shaoping
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2014.30203
Synthesis, Properties and Applications of Inorganic Halide Perovskite Nanocrystals
LOU Sunqi, XUAN Tongtong, YU Caiyan, LI Huili
Chinese Journal of Applied Chemistry    2016, 33 (9): 977-993.   DOI: 10.11944/j.issn.1000-0518.2016.09.160212
Abstract3421)   HTML226)    PDF (1412KB)(3313)      

Inorganic halide perovskite CsPbX3(X=Cl,Br,I) nanocrystals(NCs) have been received much concern because it owns many excellent optical properties, such as high quantum yield(~90%), the emission wavelength covering the entire visible light region(400~700 nm), and the narrow full width at half maximum(12~42 nm). These advantages make it becomes one of the luminescence materials which have the most potential applications. Therefore, in recent years, reports involving inorganic halide perovskite materials become more and more. In this review, the development history, the synthetic routes, structures, growth mechanisms, and applications of inorganic halide perovskite NCs that make them excellent optoelectronic materials for various strategies are mainly discussed and highlighted. The existing problems of inorganic halide perovskite luminescence materials under the current research backgrounds are summarized. Finally, perspectives on future exploration of inorganic halide perovskite NCs for photoelectric devices are also given.

Cited: CSCD(4)
Progress in Thermosetting Polyimide Resins
YAN Jingling, MENG Xiangsheng, WANG Zhen, WANG Zhimin
Chinese Journal of Applied Chemistry    2015, 32 (5): 489-497.   DOI: 10.11944/j.issn.1000-0518.2015.05.140288
Abstract2232)   HTML250)    PDF (784KB)(3206)      

Thermosetting polyimide resins exhibit the best high temperature performance among all matrix resins. Therefore, composites based on thermosetting polyimides have been widely used in modern industry, particularly in the aerospace industry. Herein, the research progress on thermosetting polyimides was reviewed, and some insights were also provided regarding the research trends and outlooks in this field.

Cited: CSCD(4)
Electrochemical Impedance Spectroscopy Study on SH-ssDNA Self-Assembling, Hybridization and Orientation on Thin-film Nana-gold Electrode
WEI Xu, HAO Qing-Li*, LU Lu-De, WANG Xin, YANG Xu-Jie
Chinese Journal of Applied Chemistry    2010, 27 (08): 970-977.   DOI: 10.3724/SP.J.1095.2010.90772
Abstract2648)      PDF (445KB)(3190)      

The self-assembling, hybridization and orientation of SH-ssDNA on the surface of thin-film nano-gold electrodes were characterized systematically by means of the electrochemical impedance technique. The effects of assembling time, concentration and the length of SH-ssDNA on its self-assembling were investigated. The Rct and surface coverage reached the highest values when assembling time was 15 h. The influences of the concentration and length of SH-ssDNA and its hybridization method with complementary DNA on the hybridization reaction were also studied. The result shows the change of Rct decreases with the increase of the SH-ssDNA concentration. The Rct was increased by 16% when the concentration of SH-ssDNA was 5 μmol/L. The data simulation and analysis of impedance spectroscopy indicated that a unique self-assembled monolayer of SH-ssDNA was formed with an upright orientation on the nano-Au electrode surface. The result shows the hybridization efficiency is closely associated with the coverage of SH-ssDNA.

Preparation and Characteristic of Activated Carbon from Sawdust Bio-char by Chemical Activation with KOH
YU Junfeng1, CHEN Peirong2, YU Zhimin3,4*, PENG Shuchuan1, WU Yang3
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2013.20492
Preparation and Propoties of the Superhydrophobic Polysiloxane Coatings
YE Wenbo1,2, HUANG Shijun1,2, GUAN Huaimin1,2, TONG Yuejin2,3*
Chinese Journal of Applied Chemistry    DOI: 10.3724/SP.J.1095.2012.00529
Preparation and Characterization of Crosslinker of Multi-aldehyde Sodium Alginate
WANG Qin-Mei, ZHANG Yi-Xia, LI Zhuo-Ping, XU Jia-Qi, XIE Hui-Lan, JI Xiao-Li, TENG Wei
Chinese Journal of Applied Chemistry    2010, 27 (02): 155-158.   DOI: 10.3724/SP.J.1095.2010.90115
Abstract2719)      PDF (330KB)(3093)      
Multiple aldehyde  groups(MASA) was prepared using sodium metaperiodate as an oxidant to oxidize sodium alginate(SA) in the mixed solvents of water and ethyl alcohol. The oxidized sodium alginate was characterized by Fehling′s reagent, electric titration of hydroxylamine hydrochloride-NaOH, Ubbelohde viscometer and the crosslink reaction with gelatin. Results show that the oxidized sodium alginate reacted with Fehling′s reagent in solution to form brick-red precipitate. The oxidation degree increased with the increases of the concentration of sodium metaperiodate and reaction time. The maximum of oxidation degree reached about 80% when the molar ratio of sodium periodate to monomer unit of sodium alginate was 80% and the yield was about 58.7%. The viscosity decreased rapidly with the increases of the concentration of sodium metaperiodate and reaction time. MASA with an oxidation degree of 20%, 40% or 60% gelled gelatin within 5 min at 37 ℃. Thereby, polysaccharide crosslinker of multi-aldehyde sodium alginate with controllable molecular mass and oxidation degree could be prepared in a high yield by adjusting the concentration of sodium metaperiodate and reaction time in a waterethanol medium.
Cited: Baidu(10) CSCD(14)
Chinese Journal of Applied Chemistry   
Abstract1322)      PDF (284KB)(3072)      
Cited: CSCD(11)
Preparation of Activated Carbon/CoFe 2O 4 Composites and Its Adsorption Properties of Methylene Blue
AI Lun-Hong*, JIANG Jing, TANG Juan
Chinese Journal of Applied Chemistry    2010, 27 (06): 710-715.   DOI: 10.3724/SP.J.1095.2010.90480
Abstract2534)      PDF (696KB)(3071)      

Activated carbon/CoFe2O4 composite(AC/CoFe2O4, MAC) with magnetic seperation performance was synthesized via a low-temperature refluxing route. Batch experiments were carried out to investigate the adsorption kinetics and equilibrium of methylene blue(MB) onto MAC. The effect of initial pH value on MB adsorbed onto MAC was evaluated. It was found that the adsorption of MB onto MAC was a very rapid process, reaching to ethe quilibrium within 20 min. The pseudosecondorder rate equation could describe the adsorption kinetics of the MB onto MAC. The equilibrium data could be fitted well with the Langmuir equation. The saturated adsorption capacity obtained from the Langmuir equation was 120.48 mg/g. At lower pH values, adsorption capacity of MAC for MB was small, whereas it increased with increasing pH value.