Ag nanoparticle-deposited TiO2 nanotube arrays for electrodes of Dye-sensitized solar cells

被引：35

作者：

Kawamura, Go ^{[1
]}

Ohmi, Hayato ^{[1
]}

Tan, Wai Kian ^{[1
]}

Lockman, Zainovia ^{[2
]}

Muto, Hiroyuki ^{[1
]}

Matsuda, Atsunori ^{[1
]}

机构：

[1] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, Toyohashi, Aichi 4418580, Japan

[2] Univ Sains Malaysia, Sch Mat & Mineral Resources, Nibong Tebal 14300, Pulau Pinang, Malaysia

来源：

NANOSCALE RESEARCH LETTERS | 2015年 / 10卷

关键词：

Anodization; TiO2 nanotube arrays; Ag nanoparticles; Light harvesting; Dye-sensitized solar cells; LIGHT; SCATTERING; EFFICIENCY; CONVERSION; TRANSPORT;

D O I：

10.1186/s11671-015-0924-1

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Dye-sensitized solar cells composed of a photoanode of Ag nanoparticle (NP)-deposited TiO2 nanotube (TNT) arrays were fabricated. The TNT arrays were prepared by anodizing Ti films on fluorine-doped tin oxide (FTO)-coated glass substrates. Efficient charge transportation through the ordered nanostructure of TNT arrays should be carried out compared to conventional particulate TiO2 electrodes. However, it has been a big challenge to grow TNT arrays on FTO glass substrates with the lengths needed for sufficient light-harvesting (tens of micrometers). In this work, we deposited Ag nanoparticles (NPs) on the wall of TNT arrays to enhance light-harvesting property. Dye-sensitized solar cells with these Ag NP-deposited TNT arrays yielded a higher power conversion efficiency (2.03 %) than those without Ag NPs (1.39 %). 06.60.Ei Sample preparation, 81.05.Bx Metals, Semimetals, Alloys, 81.07.De Nanotubes.

引用

页数：6

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