Influences of SiOx layer thickness on the characteristics of In-Zn-O/SiOx/n-Si hetero-junction structure solar cells

被引:14
作者
Fang, Hau-Wei [1 ]
Hsieh, Tsung-Eong [1 ]
Juang, Jenh-Yih [2 ]
机构
[1] Natl Chiao Tung Univ, Dept Mat & Engn, Hsinchu 30010, Taiwan
[2] Natl Chiao Tung Univ, Dept Electrophys, Hsinchu 30010, Taiwan
关键词
Indium zinc oxide; Pulsed laser deposition; Hetero-junction structured solar cells; OXIDE; OPERATION; BARRIER; FILMS;
D O I
10.1016/j.surfcoat.2012.07.067
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Indium zinc oxide (IZO) film was directly deposited on an n-type Si substrate by pulsed laser deposition (PLD) to form the IZO/SiOx/n-Si hetero-junction solar cell. Analytical results indicated that the thickness and quality of the thermal SiOx layer plays a prominent role in determining the conversion efficiency of the solar cell. The sample containing an about 1.78-nm-thick SiOx layer exhibits an open-circuit voltage of 035 V, a short-circuit current density of 28.6 mA/cm(2), a fill factor of 34.3%, and an overall conversion efficiency of 3.4% under AM1.5 condition. The effects of the SiOx layer thickness and the associated interface states on the carrier transport are discussed. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:214 / 218
页数:5
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