Effects of PEG on the Optical and Electrical Property of TiO

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Abstract Effects of the foreign atoms on the electrical and optical property of titania films are fundamental to explore novel gas-sensing and solar cell materials.The polyethylene glycol(PEG)-doped TiO_2 films is prepared using the sol-gel method and the microstructure,crystallite morphology and semiconductor property of the films is characterized.The transmittance of the TiO_2 film depended on the content and the molecular weight of the PEG additive.The PEG2000-doped TiO_2 film showed a high gas response to CO at 350 ℃.This p-type PEG2000-doped TiO_2 film has potential applications to develop solar cells and gas sensors.

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Received 2006-05-15; published 2006-05-15

Cite this article:

WANG Bao-guo,LI Ya-peng,LI Wei,WANG Su-mei.Effects of PEG on the Optical and Electrical Property of TiO_2 Film[J] Chemcial Industry and Engineering, 2006,V23(3): 203-205

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