Semiconductor Nanocrystal Quantum Dots as Solar Cell Components and Photosensitizers: Material, Charge Transfer, and Separation Aspects of Some Device Topologies

被引:189
作者
Hetsch, Frederik
Xu, Xueqing
Wang, Hongkang
Kershaw, Stephen V.
Rogach, Andrey L. [1 ]
机构
[1] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
来源
JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2011年 / 2卷 / 15期
关键词
MULTIPLE EXCITON GENERATION; PHOTOVOLTAIC DEVICES; TIO2; ELECTRODES; CDSE; DYE; EFFICIENCY; SIZE; SENSITIZATION; ENERGY; CDTE;
D O I
10.1021/jz200802j
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Nanocrystalline wide band gap semiconductors photosensitized with semiconductor nanocrystal quantum dots have recently attracted increasing attention as promising photovoltaic devices. This Perspective addresses several issues related to the choice of nanocrystal materials for quantum dot sensitized solar cells, the methods of quantum dot deposition on mesoporous wide band gap semiconductor layers, and combinations of quantum dots and classical ruthenium dyes as panchromatic sensitizers. It further discusses charge transfer kinetics and electron recombination in quantum dot sensitized solar cells. An alternate emerging concept, a structure combining the latter with a quantum dot based Schottky junction solar cell, is also briefly reviewed. Together these areas offer ample scope for improvements making use of the specific advantages of semiconductor nanocrystals.
引用
收藏
页码:1879 / 1887
页数:9
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