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Silver mirror reaction as an approach to construct a durable, robust superhydrophobic surface of bamboo timber with high conductivity

竹藤论文

期刊/会议:

JOURNAL OF ALLOYS AND COMPOUNDS

Language:

English

作者:

Han Shenjie; Wang Jin; Yao Qiufang

Experts:

Jin Chunde; Li Jingpeng; Sun Qingfeng

年份:

2015

卷:

635

页码:

300-306

关键词:

Ag nanoparticles; Bamboo timber; Conductivity; Superhydrophobicity; Silver mirror reaction

Silver nanoparticles (Ag NPs) were successfully in situ deposited onto the surface of the bamboo timber through a simple silver mirror reaction. Scanning electron microscopy (SEM) images showed that the surface of the bamboo timber was densely covered with the uniform Ag NPs, which made the intrinsic insulating bamboo timber conductive. With further modification by fluoroalkylsilane (FAS), the Ag NPs-covered bamboo timber showed superhydrophobicity with the water contact angle (WCA) of 155 degrees. Simultaneously, the modified bamboo timber displayed a durable and robust superhydrophobic property even under corrosive solutions including acidic, alkali and NaCl solutions with different molar concentrations. Especially in harsh conditions of boiling water or intense water stirring, the modified bamboo timber remained superhydrophobicity and high conductivity. (C) 2015 Elsevier B.V. All rights reserved.