Apparatus and method for preparing metal nano-material on surface of carrier through photosensitization

一种载体表面光敏化制备金属纳米材料的装置及方法

Abstract

The invention discloses an apparatus and a method for preparing a metal nano-material on the surface of a carrier through photosensitization, belonging to the technical field of preparation of nano-materials. According to the method, a light source is white light or an ultraviolet nanosecond laser pulse or ultraviolet continuous light source; a carrier material is soaked in a photosensitization reaction solution consisting of a photosensitizer and a metal salt precursor; then solution is put into a sealed photoreaction tank, and the temperature of the solution is controlled by a temperature control groove; light beams emitted by the light source irradiate the carrier material and the sample solution, and after a certain period of time, the metal nano-material is firmly deposited on the surface of the carrier. With the apparatus and method provided by the invention, the advantages of rapidness, a cheap price and strong controllability can be obtained in preparation of the metal nano-material; the prepared material has a particle size which can be controlled in the range of a few nanometers and is firmly attached to the surface of the carrier.
本发明公开了一种载体表面光敏化制备金属纳米材料的装置及方法,属于金属纳米材料的制备技术领域。光源为白光或紫外纳秒激光脉冲或紫外连续光源,将载体材料浸泡入光敏化剂和金属盐前驱体组成的光敏化反应溶液中,溶液被装入可密封的光反应池中,溶液温度由控温槽控制,经过光源发出的光束照射载体材料和样品溶液,经过一定时间后金属纳米材料牢固地沉积在载体的表面。采用本发明装置及方法制备金属纳米材料具有快速、价廉及可调控性强的优势,所制备材料粒径可以控制在几个纳米尺度内,纳米金属材料牢固地附着于载体表面。

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