Simple Approach of Fabricating High Efficiency Si Nanowire/Conductive Polymer Hybrid Solar Cells

被引：68

作者：

He, Lining ^{[1
,2
]}

Rusli ^{[1
]}

Jiang, Changyun ^{[2
]}

Wang, Hao ^{[1
]}

Lai, Donny ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

[2] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore

来源：

IEEE ELECTRON DEVICE LETTERS | 2011年 / 32卷 / 10期

关键词：

Conductive polymer; hybrid solar cell; power conversion efficiency (PCE); silicon nanowires (SiNWs); NANOWIRE ARRAYS; SILICON;

D O I：

10.1109/LED.2011.2162222

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present a simple approach of fabricating high-efficiency hybrid solar cells based on silicon nanowires (SiNWs) and a conductive polymer, poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS). PEDOT:PSS is directly spin coated on vertical SiNW arrays fabricated by electroless chemical etching to form a core-sheath heterojunction. A silver grid is used as the top anode. Compared to a planar Si/PEDOT: PSS cell, the power conversion efficiency of a 1-cm(2) SiNW/PEDOT:PSS cell increases greatly from 6.2% to 9%. Cells with different SiNW lengths are also studied, and it is found that enhanced aggregation of longer SiNWs leads to poor surface coverage by PEDOT and, hence, degraded solar cell characteristics.

引用

页码：1406 / 1408

页数：3

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