Hybrid solar cells with conducting polymers and vertically aligned silicon nanowire arrays: The effect of silicon conductivity

被引：18

作者：

Woo, Sungho ^{[1
]}

Jeong, Jae Hoon ^{[1
,2
]}

Lyu, Hong Kun ^{[1
]}

Jeong, Seonju ^{[1
]}

Sim, Jun Hyoung ^{[1
]}

Kim, Wook Hyun ^{[1
]}

Han, Yoon Soo ^{[3
]}

Kim, Youngkyoo ^{[2
]}

机构：

[1] DGIST, Green Energy Res Div, Taegu 711873, South Korea

[2] Kyungpook Natl Univ, Dept Chem Engn, Organ Nanoelect Lab, Taegu 702701, South Korea

[3] Catholic Univ Daegu, Dept Adv Energy Mat Sci & Engn, Gyeongbuk 712702, South Korea

来源：

PHYSICA B-CONDENSED MATTER | 2012年 / 407卷 / 15期

关键词：

Hybrid solar cells; Conducting polymers; Si nanowire array; Conductivity; PHOTOELECTROCHEMICAL CELLS; PHOTOVOLTAIC APPLICATIONS; FULLERENE; GLASS;

D O I：

10.1016/j.physb.2011.08.099

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Organic/inorganic hybrid solar cells, based on vertically aligned n-type silicon nanowires (n-Si NWs) and p-type conducting polymers (PEDOT:PSS), were investigated as a function of Si conductivity. The n-Si NWs were easily prepared from the n-Si wafer by employing a silver nanodot-mediated micro-electrochemical redox reaction. This investigation shows that the photocurrent-to-voltage characteristics of the n-Si NW/PEDOT:PSS cells clearly exhibit a stable rectifying diode behavior. The increase in current density and fill factor using high conductive silicon is attributed to an improved charge transport towards the electrodes achieved by lowering the device's series resistance. Our results also show that the surface area of the nanowire that can form heterojunction domains significantly influences the device performance. (C) 2011 Elsevier B.V. all rights reserved.

引用

页码：3059 / 3062

页数：4

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