Fabrication of Low Reflectivity Poly-Crystalline Si Surfaces by Structure Transfer Method

被引：7
|
作者：
Fukushima, Takashi [1 ]
Ohnaka, Ayumi
Takahashi, Masao
Kobayashi, Hikaru
机构：
[1] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2011年 / 14卷 / 02期
关键词：
SILICON SOLAR-CELLS; PLATINUM-ENHANCED OXIDATION; MULTICRYSTALLINE SILICON; ETCHING PROCESS; TEXTURIZATION; MORPHOLOGY; WAFERS; TMAH;
D O I：
10.1149/1.3515990
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A method to fabricate low reflectivity poly- crystalline Si (poly-Si) surface structures for solar cells has been developed by use of catalytic activity of a metal film. Immersion of Si contacted with platinum (Pt) films in hydrogen peroxide plus hydrofluoric acid solutions results in etching of Si only in the contacted areas. When the Pt surface possesses a pyramidal structure, an inverted pyramidal structure is formed on Si (111) and poly- Si surfaces on which the conventional alkaline etching method cannot form mat-textured surfaces. Poly-Si surfaces with the inverted pyramidal structure possess a reflectivity lower than that of the mattextured surfaces on the Si (100) surfaces. (c) 2010 The Electrochemical Society. [DOI: 10.1149/1.3515990] All rights reserved.
引用
收藏
页码：B13 / B15
页数：3
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