School of Science, Wuhan University of Technology, Wuhan, Hubei 430070, PR China.
School of Science, Wuhan University of Technology, Wuhan, Hubei 430070, PR China.
J Colloid Interface Sci. 2014 Mar 1;417:293-300. doi: 10.1016/j.jcis.2013.11.045. Epub 2013 Nov 23.
A cost-effective Ag(I)-bovine serum albumin (BSA) supramolecular hydrosol strategy was utilized to assemble Ag3PO4 nanospheres onto reduced graphene oxide (rGO) sheets. The obtained composites were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy, UV-vis absorption spectroscopy and Fourier transform infrared spectroscopy. Compared with the pure Ag3PO4 crystals and Ag3PO4 particles prepared with Ag(I)-BSA hydrosol as precursor, the Ag3PO4/rGO composites obtained with different content of graphene oxide indicated improved visible-light-driven photocatalysis activity for the decomposition of Rhodamine B aqueous solution. The results pointed to the possibility of synthesizing graphene-based photocatalysts by metal ion-BSA hydrosol.
采用一种具有成本效益的 Ag(I)-牛血清白蛋白 (BSA) 超分子水溶胶策略,将 Ag3PO4 纳米球组装到还原氧化石墨烯 (rGO) 片上。通过 X 射线衍射、扫描电子显微镜、透射电子显微镜、原子力显微镜、X 射线光电子能谱、紫外-可见吸收光谱和傅里叶变换红外光谱对所得复合材料进行了表征。与纯 Ag3PO4 晶体和用 Ag(I)-BSA 水溶胶作为前体制备的 Ag3PO4 颗粒相比,用不同含量的氧化石墨烯制得的 Ag3PO4/rGO 复合材料在可见光驱动下对罗丹明 B 水溶液的分解表现出更好的光催化活性。结果表明,通过金属离子-BSA 水溶胶有可能合成基于石墨烯的光催化剂。