Preparation and Electrical Properties of TiO2/SnO2 Nanocrystalline Films

doi:10.3724/SP.J.1077.2013.13104

Journal of Inorganic Materials ›› 2013, Vol. 28 ›› Issue (11): 1233-1236.DOI: 10.3724/SP.J.1077.2013.13104

• Research Paper • Previous Articles Next Articles

Preparation and Electrical Properties of TiO₂/SnO₂ Nanocrystalline Films

CUI Xu-Mei^1,2, ZUO Cheng-Yang², LAN De-Jun², WANG Jun²

(1. State Key Lab of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China; 2. Sichuan Key Lab of Comprehensive Utilization of Vanadium and Titanium Resources, Panzhihua University, Panzhihua 617000, China)

Received:2013-03-01 Revised:2013-04-26 Published:2013-11-20 Online:2013-10-18
Supported by:
China Postdoctoral Science Foundation(2011M501294); Program for New Century Excellent Talents in Univesity(NECT-10-0946); Science and Technology Innovation Research Team Construction Project of Sichuan Province(2011JTD0039)

Abstract

Abstract: The effect of SnO₂ nanocrystalline coatings on the performance of dye-sensitized solar cells (DSSC) based on TiO₂-nanoparticle photoanode was studied. The TiO₂-nanoparticle photoanode was prepared by screen-printing technique, and the SnO₂ nanocrystalline films were coated on TiO₂ nanoparticles by soaking TiO₂ photoanodes in SnO₂ solution with different concentrations or different time. SEM images indicate SnO₂ nanocrystalline films have smaller surface grains than the TiO₂ nanocrystalline films. The electrical properties of the films indicate that SnO₂ thin films growing on the TiO₂ films by soaking TiO₂ films in 0.4 mol /L SnO₂ solution for 50 min play a positive role on the structure and performance of the TiO₂ films, and the conversion efficiency of the solar cell with TiO₂/SnO₂ photoanode is about 7% higher than that of TiO₂ films.

Key words: dye-sensitized solar cell, TiO₂ photoanode, SnO₂, J-V curve, conversion efficiency

CLC Number:

TU502

CUI Xu-Mei, ZUO Cheng-Yang, LAN De-Jun, WANG Jun. Preparation and Electrical Properties of TiO₂/SnO₂ Nanocrystalline Films[J]. Journal of Inorganic Materials, 2013, 28(11): 1233-1236.

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Preparation and Electrical Properties of TiO₂/SnO₂ Nanocrystalline Films

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