用于染料敏化太阳能电池的具有不同形貌二氧化钛纳米颗粒的光电极薄膜的制备与表征

Fabrication and characterization of photoelectrode thin films with different morphologies of TiO2 nanoparticles for dye-sensitized solar cells.

作者信息

Kao Mu-Jung, Chang Ho, Kuo Chin-Guo, Huang Kuohsiu-David, Chen Yu-Ling

机构信息

Department of Vehicle Engineering, National Taipei University of Technology, Taipei 10608, Taiwan.

出版信息

J Nanosci Nanotechnol. 2011 Aug;11(8):7459-62. doi: 10.1166/jnn.2011.4770.

DOI:10.1166/jnn.2011.4770

PMID:22103219

Abstract

This study deals with the fabrication of three different morphologies of TiO2 nanoparticles to fabricate two-layer photoelectrode thin film for dye-sensitized solar cells (DSSC). The four different TiO2 morphologies are titania nanotubes (Tnt), TiO2 nanoparticles (H220), TiO2 nanoparticle (SP) and commercial DP-25 nanoparticles (P-25). To prepare the thin films of the photoelectrodes, the first layer is coated by H220 TiO2 nanoparticles, and the second is coated by 3 kinds of materials optimally proportionally mixed - P25, SP and Tnt. The photoelectric conversion efficiency of DSSCs with photoelectrodes fabricated using H220 reached 6.31%. Finally, the TiO2 nanaomaterials with four different morphologies were used to prepare a two layer photoelectrode with the structure of H220/P25-Tnt-SP which was combined with a Pt counter electrode to assemble DSSCs. These DSSCs had photoelectric conversion efficiencies of as high as 7.47%.

摘要

本研究涉及制备三种不同形态的二氧化钛纳米颗粒，以制造用于染料敏化太阳能电池（DSSC）的双层光电极薄膜。四种不同的二氧化钛形态分别是二氧化钛纳米管（Tnt）、二氧化钛纳米颗粒（H220）、二氧化钛纳米粒子（SP）和商用DP - 25纳米颗粒（P - 25）。为制备光电极薄膜，第一层由H220二氧化钛纳米颗粒涂覆，第二层由按最佳比例混合的三种材料——P25、SP和Tnt涂覆。使用H220制备的光电极的染料敏化太阳能电池的光电转换效率达到6.31%。最后，使用四种不同形态的二氧化钛纳米材料制备了具有H220/P25 - Tnt - SP结构的双层光电极，并与铂对电极结合组装成染料敏化太阳能电池。这些染料敏化太阳能电池的光电转换效率高达7.47%。