Thin film solar cells based on the heterojunction of colloidal PbS quantum dots with CdS

被引：63

作者：

Bhandari, Khagendra P. ^{[1
]}

Roland, Paul J. ^{[1
]}

Mahabaduge, Hasitha ^{[1
]}

Haugen, Neale O. ^{[1
]}

Grice, Corey R. ^{[1
]}

Jeong, Sohee ^{[3
]}

Dykstra, Tieneke ^{[1
]}

Gao, Jianbo ^{[1
,2
]}

Ellingson, Randy J. ^{[1
]}

机构：

[1] Univ Toledo, Dept Phys & Astron, Wright Ctr Photovolta Innovat & Commercializat, Toledo, OH 43606 USA

[2] NREL, Golden, CO 80401 USA

[3] Korea Inst Machinery & Mat, Nanomech Res Div, Taejon 305343, South Korea

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2013年 / 117卷

关键词：

Quantum dot; PbS; CdS; Solar cell; Thin film; CHEMICAL-VAPOR-DEPOSITION; BATH DEPOSITION; EFFICIENCY; STABILITY; NANOCRYSTALS; AIR;

D O I：

10.1016/j.solmat.2013.07.018

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：

Here we report on heterojunction PbS quantum dot (QD) solar cells using RF magnetron sputtered CdS as the n-type window layer. These solar cells generate large open circuit voltage compared to previously reported PbS-QD solar cells. Our investigations of this device design show an optimized CdS film thickness of 70 nm and an optimized PbS QD diameter of similar to 2.7 nm, corresponding to a bandgap energy of similar to 1.57 eV. Under simulated AM 1.5 G illumination, we attain short circuit current as high as 12 mA-cm(-2), an open circuit voltage of 0.65 V and efficiency as high as 3.3%. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：476 / 482

页数：7

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