Photochemical preparation of two-dimensional gold spherical pore and hollow sphere arrays on a solution surface

被引:61
作者
Sun, Fengqiang [1 ]
Yu, Jimmy C.
机构
[1] S China Normal Univ, Sch Chem & Envioronm, Guangzhou 510006, Peoples R China
[2] Chinese Acad Sci, Inst Solid State Phys, Hefei 230031, Peoples R China
[3] Chinese Univ Hong Kong, Dept Chem, Shatin, Hong Kong, Peoples R China
[4] Chinese Univ Hong Kong, Ctr Novel Funct Mol, Shatin, Hong Kong, Peoples R China
关键词
D O I
10.1002/anie.200603697
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Figure Presented) Freestanding porous gold films with arrays of spherical pores or hollow spheres were fabricated photochemically. UV irradiation of a polystyrene-sphere (PS) colloidal crystal template floating on a solution containing HAuCl4 and Na2SO3 led to gold deposition, and then PS removal gave a spherical-pore array. Irradiating the shell/sphere structure upside-down on fresh precursor solution gave a hollow-sphere array after PS removal (see picture). © 2007 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:773 / 777
页数:5
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