制备二氧化钛分枝纳米棒阵列结构以提高聚合物杂化太阳电池的性能

doi:10.11944/j.issn.1000-0518.2020.06.190329

摘要/Abstract

摘要：

分别采用一步水热法和两步水热法在导电玻璃(FTO)上制备了二氧化钛(TiO₂)纳米棒(NR)阵列和TiO₂分枝纳米棒(B-NR)阵列。利用低温化学浴沉积法(CBD)在TiO₂纳米棒阵列(NRA)和TiO₂分枝纳米棒阵列(B-NRA)基底上沉积Sb₂S₃纳米粒子(NPs)。接着分别旋涂聚-3已基噻吩(P3HT)和2,2'7,7'-四-(二甲氧基二苯胺)螺芴(Spiro-OMeTAD)组装成TiO₂(NRA)/Sb₂S₃/P3HT/Spiro-OMeTAD和TiO₂(B-NRA)/Sb₂S₃/P3HT/ Spiro-OMeTAD为光活性层的杂化太阳电池。结果表明,由TiO₂(NRA)/Sb₂S₃/P3HT/Spiro-OMeTAD复合膜结构组装的杂化太阳电池的光电转换效率(PCE)是2.92%,而由TiO₂(B-NRA)/Sb₂S₃/P3HT/Spiro-OMeTAD复合膜结构组装的杂化太阳电池的PCE提高到了4.67%。

关键词: 二氧化钛分枝纳米棒, 三硫化二锑纳米粒子, 杂化太阳电池

Abstract:

TiO₂ nanorod arrays (NRA) and branched TiO₂ nanorod arrays (B-NRA) were prepared on conducting glass (FTO) by one-step hydrothermal method and two-step hydrothermal method, respectively. Sb₂S₃ nanoparticles (NPs) are deposited on TiO₂ NRA and TiO₂ B-NRA substrates by low temperature chemical bath deposition (CBD). Poly(3-hexylthiophene-2,5-diyl) and 2,2',7,7'-tetrakis-(N,N-di-p-methoxyphenylamine)-9,9'-spirobifluorene (P3HT and Spiro-OMeTAD) are spin-coated on the TiO₂/Sb₂S₃ composite membrane successively to form TiO₂(NRA)/Sb₂S₃/P3HT/Spiro-OMeTAD films and TiO₂(B-NRA)/Sb₂S₃/P3HT/Spiro-OMeTAD films as photoactive layers of hybrid solar cells. The results show that the power conversion efficiency (PCE) of the hybrid solar cell assembled with TiO₂(B-NRA)/Sb₂S₃/P3HT/Spiro-OMeTAD composite membrane structure is 2.92%, and the PCE of the hybrid solar cell assembled with TiO₂(B-NRA)/Sb₂S₃/P3HT/Spiro-OMeTAD composite membrane structure is improved to 4.67%.

Key words: TiO₂ branched nanorods, Sb₂S₃ nanoparticles, hybrid solar cell

钱近, 郝彦忠, 栗靖琦, 裴娟, 李英品. 制备二氧化钛分枝纳米棒阵列结构以提高聚合物杂化太阳电池的性能[J]. 应用化学, 2020, 37(6): 695-702.

QIAN Jin, HAO Yanzhong, LI Jingqi, PEI Juan, LI Yingpin. Preparation of TiO₂ Branched Nanorod Array to Improve the Performance of Polymer Hybrid Solar Cell[J]. Chinese Journal of Applied Chemistry, 2020, 37(6): 695-702.

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