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.
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页数：6
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