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Synthesis and characterization of silver, gold, copper oxide and titanium dioxide sponges using Triton X-305 as sacrificial hydrogel template

机译:用Triton X-305作为牺牲水凝胶模板合成,表征银,金,氧化铜和二氧化钛海绵

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摘要

A novel approach is presented to synthesize silver (Ag), gold (Au), copper oxide (CuO) and titanium dioxide (Ti02) sponges by template sacrifice route using Triton X-305 as the sacrificial template. Scanning electron microscopy, X-ray diffraction, thermogravi-metric analysis and Brunauer-Emmett-Teller adsorption isotherm techniques were used to characterize the monoliths. Additives like dextran, silica nanoparticles and 1,3,5-trimethylbenzene significantly affect the pore sizes of the monoliths. Thepore size of the monoliths varied from 50 nm to 7 |im. The surface areas of porous Ag, Au, CuO and Ti02 reported were always higher than their simple metals.
机译:提出了一种新颖的方法,以Triton X-305为牺牲模板,通过模板牺牲途径合成银(Ag),金(Au),氧化铜(CuO)和二氧化钛(TiO2)海绵。扫描电子显微镜,X射线衍射,热重分析和Brunauer-Emmett-Teller吸附等温线技术用于表征整料。诸如右旋糖酐,二氧化硅纳米颗粒和1,3,5-三甲基苯之类的添加剂会显着影响整料的孔径。整体结构的孔尺寸从50 nm到7μm不等。据报道,多孔的Ag,Au,CuO和TiO 2的表面积总是比其简单的金属高。

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