Direct growth of graphene nanowalls on the crystalline silicon for solar cells

被引：47

作者：

Liu, Jian ^{[1
,2
,3
]}

Sun, Wentao ^{[2
,3
]}

Wei, Dapeng ^{[1
]}

Song, Xuefen ^{[1
]}

Jiao, Tianpeng ^{[1
]}

He, Shixuan ^{[1
]}

Zhang, Wei ^{[1
]}

Du, Chunlei ^{[1
]}

机构：

[1] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 400714, Peoples R China

[2] Peking Univ, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R China

[3] Peking Univ, Dept Elect, Beijing 100871, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2015年 / 106卷 / 04期

关键词：

EFFICIENCY; HYBRID; HNO3;

D O I：

10.1063/1.4907284

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We developed a simple approach to fabricate graphene/Si heterojunction solar cells via direct growth of graphene nanowalls on Si substrate. This 3D graphene structure was outstanding electrode network and could form fine interface with Si substrate. Moreover, direct growth method not only simplified manufacturing process, but also avoided damages and contaminants from graphene transfer process. The short-circuit current (J(sc)) increased greatly and could reach 31 mA/cm(2). After HNO3 doping, the energy conversion efficiency was increased up to 5.1%. Furthermore, we investigated the influence of growth time on the cell performance. (C) 2015 AIP Publishing LLC.

引用

页数：4

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