An optimized multilayer structure of CdS layer for CdTe solar cells application

被引：24

作者：

Han, Junfeng ^{[1
,2
]}

Liao, Cheng ^{[1
]}

Jiang, Tao ^{[1
]}

Spanheimer, C. ^{[2
]}

Haindl, G. ^{[2
]}

Fu, Ganhua ^{[2
]}

Krishnakumar, V. ^{[2
]}

Zhao, Kui ^{[1
]}

Klein, A. ^{[2
]}

Jaegermann, W. ^{[2
]}

机构：

[1] Peking Univ, State Key Lab Nucl Phys & Technol, Sch Phys, Beijing 100871, Peoples R China

[2] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2011年 / 509卷 / 17期

关键词：

CdTe solar cells; CBD; CSS; Multilayer CdS; THIN-FILMS; GROWTH; EFFICIENCY;

D O I：

10.1016/j.jallcom.2010.12.085

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：

CdS layers grown by 'dry' (close space sublimation) and 'wet' (chemical bath deposition) methods are deposited and analyzed. CdS prepared with close space sublimation (CSS) has better crystal quality, electrical and optical properties than that prepared with chemical bath deposition (CBD). The performance of CdTe solar cell based on the CSS CdS layer has higher efficiency than that based on CBD CdS layer. However, the CSS CdS suffers from the pinholes. And consequently it is necessary to prepare a 150 nm thin film for CdTe/CdS solar cell. To improve the performance of CdS/CdTe solar cells, a thin multilayer structure of CdS layer (similar to 80 nm) is applied, which is composed of a bottom layer (CSS CdS) and a top layer (CBD CdS). That bi-layer film can allow more photons to pass through it and significantly improve the short circuit current of the CdS/CdTe solar cells. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.

引用

页码：5285 / 5289

页数：5

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