Microsystems enabled photovoltaics: 14.9% efficient 14 μm thick crystalline silicon solar cell

被引：67

作者：

Cruz-Campa, Jose L. ^{[1
,2
]}

Okandan, Murat ^{[1
]}

Resnick, Paul J. ^{[1
]}

Clews, Peggy ^{[1
]}

Pluym, Tammy ^{[1
]}

Grubbs, Robert K. ^{[1
]}

Gupta, Vipin P. ^{[1
]}

Zubia, David ^{[2
]}

Nielson, Gregory N. ^{[1
]}

机构：

[1] Sandia Natl Labs, Albuquerque, NM 87123 USA

[2] Univ Texas El Paso, Dept Elect & Comp Engn, El Paso, TX 79968 USA

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2011年 / 95卷 / 02期

关键词：

Miniature solar cells; Microsystems enabled photovoltaics; Back contacted solar cells; Ultrathin solar cells; Silicon nitride optimization; SURFACE PASSIVATION; LOW-COST; BULK;

D O I：

10.1016/j.solmat.2010.09.015

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：

Crystalline silicon solar cells 10-15 times thinner than traditional commercial c-Si cells with 14.9% efficiency are presented with modeling, fabrication, and testing details. These cells are 14 mu m thick, 250 mu m wide, and have achieved 14.9% solar conversion efficiency under AM 1.5 spectrum. First, modeling results illustrate the importance of high-quality passivation to achieve high efficiency in thin silicon, back contacted solar cells. Then, the methodology used to fabricate these ultra thin devices by means of established microsystems processing technologies is presented. Finally, the optimization procedure to achieve high efficiency as well as the results of the experiments carried out with alumina and nitride layers as passivation coatings are discussed. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：551 / 558

页数：8

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