Lead-sulphide quantum-dot sensitization of tin oxide based hybrid solar cells

被引：35

作者：

Snaith, Henry J. ^{[1
]}

Stavrinadis, Alexandros ^{[2
]}

Docampo, Pablo ^{[1
]}

Watt, Andrew A. R. ^{[2
]}

机构：

[1] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England

[2] Univ Oxford, Dept Mat Sci, Oxford OX1 3PH, England

来源：

SOLAR ENERGY | 2011年 / 85卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

Dye-sensitized; PbS; SnO2; Solid-state; Quantum dots; Infrared absorption; PHOTOVOLTAIC DEVICES; CHARGE-TRANSPORT; NANOCRYSTALLINE TIO2; DYE; PBS; RECOMBINATION; FILMS; PHOTODETECTORS; PHOTOCURRENT; EFFICIENCY;

D O I：

10.1016/j.solener.2011.01.019

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

We have fabricated infrared active hybrid solar cells composed of mesoporous SnO2 sensitized with PbS nanoparticles and infiltrated with organic hole-transporters, 2,2',7,7'-tetrakis(N,N-di-p-methoxypheny-amine)-9,9'-spirobifluorene(spiro-OMeTAD) or poly(3-hexylthiophene). We observe photo-action to 1100 nm, peak quantum-efficiency over 20%, open-circuit voltages up to 0.5 V and power conversion efficiencies of over 0.5% under simulated sun light. As compared to solar cells composed of mesoporous TiO2 sensitized with the same PbS nanoparticles, the SnO2 based devices generate 4 times the photocurrent density under simulated sun light. (C) 2011 Published by Elsevier Ltd.

引用

页码：1283 / 1290

页数：8

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