如图2a所示,TiO2未检测到EPR信号,而Vo-TiO2、In-TiO2和Vo-In-TiO2均有明显的Vo归属EPR信号(g = 2.003),从信号强度上判断Vo-TiO2和Vo- In -TiO2中存在大量的Vo,这与XRD和TEM结果一致。这里,将在后续的实验中证明Vo- In – TiO2中大量的Vo在催化尿素合成中发挥重要作用,为各种反应中间体提供丰富的吸附位点,...
本文采用钛酸四丁酯和硝酸铁为原料,采用溶胶-凝胶法制备了掺铁TiO2粉体,并用XRD、IR和DSC对其结构进行了表征.以铁掺杂纳米TiO2为光催化剂,在紫外光照的.条件下处理了模拟喹啉废水.考察了不同条件对光催化分解率效果的影响.实验结果表明,制备掺铁0.15%的TiO2平均粒径为26.6nm,在412℃时发生晶型转变,提高了TiO2对喹...
图5TiO2多孔薄膜的SEM图Fig.5SEM micrographs of the porous TiO2film 对TiO 2 纳米粉体和TiO 2 薄膜进行XRD检测,如图6所示。样品在2 θ =25.3°、37.8°、48.0°、53.8°、62.5°、68.8°、70.1°和75.0°均有吸收峰,与锐钛矿相TiO 2 JCPDS No.21-1272标准对比卡片保持一致,可知实验制备的TiO 2 薄膜为...
The XRD patterns of TiO2 and TiO2–RGO hybrid nanomaterials prepared using functionalized IL at 120 °C for 1 day is shown in Fig. 1. All the diffraction pattern of Fig. 1a is indexed to tetragonal structured anatase phase TiO2 (JCPDS 21-1272, a = 3.7852 Å, c = 9.5024 Å, 141/...
XRD patterns of (A) raw TiO2powder, (B) hydrothermally synthesized TiO2nanoribbons, (C) TiO2nanoribbon supported by the FeCo-Al2O3catalyst, and (D) TiO2-B NRs/CNTs nanocomposite. Full size image The XRD pattern of the FeCo-Al2O3catalyst supported on TiO2NRs appears in Fig.1C. The resu...
Pattern: To replace 00-014-0085.Lines: Plus 2 reflections to 1.3347.Literature References...
s formula. The TiO2NTA domains increase in size from 105 to 121 nm after the annealing process. The XRD pattern of as-synthesized rGO nanosheets is shown inFigure S1(seeSupplementary Information), where (002) and (101) planes confirm the graphitic nature with hexagonal phase (JCPDS No. ...
仪器：电热恒温鼓风干燥箱、磁力搅拌器、超声波清洗器、高压反应釜、X 射线衍射仪（XRD）、环境扫描电子显微镜（SEM）。1.2 TiO 2纳米花的合成 浓盐酸、NaCl 饱和溶液及去离子水按一定体积比混合，搅拌均匀后，向混合溶液中加入TNBT，再次搅拌至均匀状态。将混合溶液倒入放有FTO 导电玻璃的不锈钢反应釜（内衬为聚...
(a) XRD patterns of the TiO2-HA, Pt73-7/TiO2-HA, and Pt107-7/TiO2-HA. For comparison, the intensities and positions for the pure TiO2(olive bars, JCPDF No. 78-2486) and Pt (cyan bars, JCPDF No. 87-0646) references are given at the bottom according to the JCPDS database. UV-...
黑龙江大学化学化工与材料学院,功能无机材料化学省部共建重点实验室,哈尔滨150080)摘要 采用阴极恒电位沉积法,在介孔TiO2薄膜上制备了介孔TiO2/CdS薄膜光电极,用XRD,SEM,Raman,SPS和UV Vis等多种手段对薄膜电极进行了表征.结果表明,CdS成功沉积到介孔TiO2的表面和孔道内,形成了异质结结构.通过光电流作用谱考察了该复合...