Raman光谱和同步辐射表征技术证明,成功合成了通过Mo−(O, N)−Nb基序共价连接的Mo8O26-NbNxOy异质结构催化剂。电化学析氢性能测试表明,在酸性和碱性环境中,氧原子暴露的Mo8O26-NbNxOy/NG催化剂展现与商用Pt/C催化剂相媲美的活性与稳定性,其η10分别为27 mV和32 mV,塔菲尔斜率分别为33 mV dec–1和47 m...
DOI: 10.1038/s41467-024-53484-yhttps://www.nature.com/articles/s41467-024-53484-y电催化讨论群-1:529627044 光催化群-2:927909706 均相催化与酶催化群-2:929342001 纳米催化群-1:256363607 多孔材料群-2:813094255 理论计算群-2:863...
如图2a和2b所示,XRD和Raman证明了合成的MWNO材料具有Wadsley-Roth型晶体结构。HRXPS数据(图2c - 2f)显示MWNO材料的钼、钨、铌、氧元素的价态分别为+6、+6、+5、-2价。经过橡树岭国家实验室散裂中子源高精度中子衍射实验(图2g)...
The dynamic structure of Mo-O species in Ag-Mo-P-O catalyst was studied by in situ confocal microprobe laser Raman spectroscopy (LRS) and catalytic test. The results indicate Mo-O species of MoO3 transformed to Mo-O species of AgMoO2PO4 in C3H8/O2/N2 (3/1/4) flow at 773 K. ...
95±0.07)−(10300±100)/T(K)The authors suggest the formation of Cs2Mo2O7(g) based on Raman spectra of deposits collected on platinum sheets in the downstream of a transpiration set-up. Table 5. Experimental data on the vaporization behaviour of Cs2MoO4. KEMS: Knudsen Effusion Mass ...
Fig 2 I-situ c nf caI micr pr be Raman spectra f Ag-M -P-O cataIyst in different atm sp ere at different temperatures (a)3C 3 H 8 - O 2 -4N 2 ,(b)O 2 ,(c)7C 3 H 8 -43N 2 ()RT,(2)373 K,(3)473 K,(4)573 K,(6)673 K/ 5 min,(7)773 K/ 5 min 1. 3...
Mo /Al 2O 3催化剂中钼配位结构 的原位红外和拉曼光谱表征 辛 勤X 熊 光 高兴涛 李 灿 (中国科学院大连化学物理研究所,催化基础国家重点实验室 大连 116023)引 言 单组元及双组元的钼基催化剂被广泛应用于许多工业催化过程中,如加氢精制催化剂的前趋态物相,因此其结构表征研究受到广泛关注。大量...
FT Raman SpectroscopyThis paper concerns the physicochemical properties and activity in NO decomposition of a rutile-supported V-O-Mo catalyst, obtained by sol–gel method. Rutile, o-MoO 3 and β-MoO 3 are the main phases found by XRD and TEM. Monolayer vanadia-like species containing some ...
Infrared and Raman spectra of the four hydrogen-deuterium isotopomers of the cyclopropenyl cation, CH/sup +/, CD/sup +/, CHD/sup +/, and CDH/sup +/, have b... NC Craig,J Pranata,SJ Reinganum,... 被引量: 1发表: 0年 An ab initio study of the geometry, energy, and selec...
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