Schottky Solar Cells Based on Colloidal Nanocrystal Films

被引：819

作者：

Luther, Joseph M. ^{[1
,2
]}

Law, Matt ^{[1
]}

Beard, Matthew C. ^{[1
]}

Song, Qing ^{[1
]}

Reese, Matthew O. ^{[1
]}

Ellingson, Randy J. ^{[1
]}

Nozik, Arthur J. ^{[1
]}

机构：

[1] Natl Renewable Energy Lab, Golden, CO 80401 USA

[2] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA

来源：

NANO LETTERS | 2008年 / 8卷 / 10期

关键词：

D O I：

10.1021/nl802476m

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We describe here a simple, all-inorganic metal/NC/metal sandwich photovoltaic (PV) cell that produces an exceptionally large short-circuit photocurrent (>21 mA cm(-2)) by way of a Schottky junction at the negative electrode. The PV cell consists of a PbSe NC film, deposited via layer-by-layer (LbL) dip coating that yields an EQE of 55-65% in the visible and up to 25% in the infrared region of the solar spectrum, with a spectrally corrected AM1.5G power conversion efficiency of 2.1%. This NC device produces one of the largest short-circuit currents of any nanostructured solar cell, without the need for sintering, superlattice order or separate phases for electron and hole transport.

引用

页码：3488 / 3492

页数：5

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