Photocurrent Induced by Nonradiative Energy Transfer from Nanocrystal Quantum Dots to Adjacent Silicon Nanowire Conducting Channels: Toward a New Solar Cell Paradigm

被引：73

作者：

Lu, Siyuan ^{[1
]}

Lingley, Zachary ^{[2
]}

Asano, Tetsuya ^{[2
]}

Harris, Daniel ^{[2
]}

Barwicz, Tymon ^{[3
]}

Guha, Supratik ^{[3
]}

Madhukar, Anupam ^{[1
,2
]}

机构：

[1] Univ So Calif, Dept Phys, Los Angeles, CA 90089 USA

[2] Univ So Calif, Mork Family Dept Chem Engn & Mat Sci, Los Angeles, CA 90089 USA

[3] IBM Corp, JT Watson Res Ctr, Yorktown Hts, NY 10598 USA

来源：

NANO LETTERS | 2009年 / 9卷 / 12期

关键词：

EXCITATION;

D O I：

10.1021/nl903104k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the observation of photocurrent in silicon nanowires induced by nonradiative resonant energy transfer (NRET) from adjacent layers of lead sulfide nanocrystal quantum dots using time-resolved photocurrent measurements. This demonstration supports the feasibility of a new solar cell paradigm (Lu, S.; Madhukar, A. Nano Lett. 2007, 7, 3443-3451) that exploits NRET between efficient photon absorbers and adjacent nanowire/quantum well high-mobility charge transport channels and could offer a viable alternative to the limitations of carrier transport and collection faced by excitonic solar cells.

引用

页码：4548 / 4552

页数：5

共 8 条

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