Adsorption of Methanol on Surface of Zinc Oxide

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (1): 108.

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Adsorption of Methanol on Surface of Zinc Oxide

WANG MouHua^1,2, DONG QingNian¹, ZHANG WenYu^1,2, WEI Wei¹, SUN YuHan¹

1. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry,
Chinese Academy of Sciences, Taiyuan 030001, China;
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China)

Received:2004-12-30 Online:2006-01-10 Published:2006-01-10
Contact: SUN YuHan，E-mail: yhsun@sxicc.ac.cn

Abstract

Abstract:

AbstractThe adsorption of methanol on the surface of zinc oxide was investigated by in situ FTIR and pulse reaction. The FTIR results show that methoxyl group was formed from the adsorbed methanol on the surface of zinc oxide, and its amount increased with increasing adsorption temperature. Further investigation indicates that methoxyl group was produced only by the reaction of methanol with surface hydroxyl group. It was also revealed that methoxyl group vanished quickly when it was exposed to water vapor. In the pulse reaction, water was detected while methanol was adsorbed on the the surface of zinc oxide, and then methanol was found while methoxy group contacted with water. Thus, the reaction of methanol with hydroxy group on the surface of zinc oxide surface was reversible.

Key words: KeywordsZnO; Methanol; Water, IR Spectrum; Adsorption; Pulse reaction

CLC Number:

O641

TrendMD:

WANG Mou-Hua, DONG Qiang-Nian, ZHANG Wen-Yu, WEI Wei, SUN Yu-Han. Adsorption of Methanol on Surface of Zinc Oxide[J]. Chem. J. Chinese Universities, 2006, 27(1): 108.

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Adsorption of Methanol on Surface of Zinc Oxide

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