Selective Deposition of Silver Dendritic Structures and Its Catalytic Property

Chem. J. Chinese Universities ›› 2010, Vol. 31 ›› Issue (12): 2319.

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Selective Deposition of Silver Dendritic Structures and Its Catalytic Property

WANG HaoNan¹,QI DianPeng²,ZHAO XiaoJie²,MA RenPing²,YU JingSheng²,Lü Nan^2*

1. College of Environmental and Resource Sciences, Jilin University, Changchun 130012, China
2. State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, China

Received:2010-08-13 Revised:2010-10-12 Online:2010-12-10 Published:2010-12-06
Contact: Lü Nan E-mail:luenan@jlu.edu.cn
About author:吕男, 女, 博士, 教授, 博士生导师, 主要从事表面图案化与界面诱导组装的研究. E-mail: luenan@jlu.edu.cn
Supported by:
国家自然科学基金(批准号： 20773052)资助.

Abstract

Abstract: Silver dendritic structures were electroless deposited on the top of silicon pyramids which were obtained by anisotropic etch in KOH solution. More details of the silver dendritic structures were observed by scanning electronic microscopy (SEM) and X-ray diffraction (XRD) were performed to further investigate the silver dendritic structures; the peaks observed are consistent with the JCPDS card (JCPDS No. 420783). Furthermore, the formation mechanism of silver dendritic structures has been clarified base on the model of galvanic cell and the diffusion-limited aggregation (DLA). The results show that the effect of point plays an important role in the selective deposition of silver dendritic structures. The silver dendritic structures can be used for catalytic reduction of 4-nitroaniline and this structures might be used for the micro-functional devices in the future.

Key words: silver dendritic structures, selective electroless deposition, catalytic property

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WANG HaoNan QI DianPeng ZHAO XiaoJie MA RenPing YU JingSheng Lü Nan. Selective Deposition of Silver Dendritic Structures and Its Catalytic Property[J]. Chem. J. Chinese Universities, 2010, 31(12): 2319.

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Selective Deposition of Silver Dendritic Structures and Its Catalytic Property

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