Dye-Sensitized Photovoltaic Wires Using Highly Ordered TiO2 Nanotube Arrays

被引：140

作者：

Liu, Zhaoyue ^{[1
,2
]}

Misra, Mano ^{[1
]}

机构：

[1] Univ Nevada, Dept Chem & Met Engn, Reno, NV 89557 USA

[2] Beihang Univ, Sch Chem & Environm, Beijing 100191, Peoples R China

来源：

ACS NANO | 2010年 / 4卷 / 04期

关键词：

photovoltaic wires; dye-sensitized; nanotube arrays; SOLAR-CELLS; RUTHENIUM SENSITIZERS; NANOCRYSTALLINE TIO2; EFFICIENCY; DEGRADATION; GROWTH; LENGTH; FILM;

D O I：

10.1021/nn9015696

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Dye-sensitized photovoltaic wires (DSPVWs) are developed using anodized Ti wires that contain ordered arrays of TiO2 nanotubes. The prototype DSPVW consists of N719 dye-adsorbed TiO2 nanotube arrays around a Ti wire as a working electrode, a platinum wire as a counter electrode, and an organic electrolyte encased in a capillary glass tube. The effect of length of nanotube arrays on the photovoltaic performance of DSPVWs is studied systematically. A solar-to-electric conversion efficiency of 2.78% is achieved with 55 mu m long nanotubes under 98.3 mW/cm(2) AM 1.5 simulated full light. The prototype device is capable of achieving a long distance transport of photocurrent and harvesting all light from any direction in surroundings to generate electricity.

引用

页码：2196 / 2200

页数：5

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