Carbon nanotube semitransparent electrodes for amorphous silicon based photovoltaic devices

被引：25

作者：

Del Gobbo, S. ^{[1
]}

Castrucci, P. ^{[1
]}

Scarselli, M. ^{[1
]}

Camilli, L. ^{[1
]}

De Crescenzi, M. ^{[1
]}

Mariucci, L. ^{[2
]}

Valletta, A. ^{[2
]}

Minotti, A. ^{[2
]}

Fortunato, G. ^{[2
]}

机构：

[1] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[2] IMM CNR, I-00133 Rome, Italy

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 18期

关键词：

HETEROJUNCTION SOLAR-CELLS;

D O I：

10.1063/1.3588352

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Different amounts of single wall carbon nanotubes (SWCNTs) have been sprayed on amorphous silicon substrates to form Schottky barrier solar cells. The measured external quantum efficiency showed a spectral behavior depending on the SWCNT network optical transparency, presenting a maximum up to 35% at a wavelength of about 460 nm. Ultrathin network of SWCNTs acts as semitransparent electrode and forms Schottky barrier with amorphous silicon, enabling new generation low cost amorphous silicon based solar cells. Numerical simulations show a poor efficiency of SWCNT contacts in collecting holes suggesting that improvement in contact quality is needed to further improve solar cell efficiency. (C) 2011 American Institute of Physics. [doi:10.1063/1.3588352]

引用

页数：3

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