文献类型：期刊文献

英文题名：Charge Recombination Control for High Efficiency Quantum Dot Sensitized Solar Cells

作者：Zhao, Ke[1];Pan, Zhenxiao[1];Zhong, Xinhua[1]

机构：[1]E China Univ Sci & Technol, Inst Appl Chem, Key Lab Adv Mat, Shanghai 200237, Peoples R China

年份：2016

卷号：7

期号：3

起止页码：406

外文期刊名：JOURNAL OF PHYSICAL CHEMISTRY LETTERS

收录：;EI(收录号：20160701917589);WOS:【SCI-EXPANDED(收录号:WOS:000369774400008)】；

基金：We acknowledge the National Natural Science Foundation of China (Nos. 21421004, 91433106), the Fundamental Research Funds for the Central Universities in China for financial support.

语种：英文

外文关键词：Solar absorbers - Solar cells - Nanocrystals - Semiconductor quantum dots - Quantum efficiency

摘要：Benefiting from the unique excellent optoelectronic properties of quantum dot light absorbers, quantum dot sensitized solar cell (QDSCs) are a promising candidate for the low-cost third-generation solar cells. Over the past few years, the power conversion efficiency (PCE) of QDSCs presents a rapid evolution from less than 1% to beyond 8%. Charge recombination is regarded as one of the most significant factors in limiting the photovoltaic performance of QDSCs. A significant improvement in the PCE of QDSCs has been obtained by charge recombination control. Some effective routes to suppress charge recombination processes, such as adopting preprepared high-quality QD sensitizers, tailoring the electronic properties of QDs, and interface engineering with the use of organic or inorganic thin layer overcoating the sensitized photoanode have been overviewed in this perspective. Also, the possible accesses to better performance (higher efficiency and stability) of the QDSCs have been proposed on the basis of achievements obtained previously.