【摘 要】
:
The quantum calculations based on density functional theory(DFT)have been carried out to investigate the relationship between redox properties and second-or
【机 构】
:
Department of Chemistry,Northeast Normal University,Changchun 130024
论文部分内容阅读
The quantum calculations based on density functional theory(DFT)have been carried out to investigate the relationship between redox properties and second-order nonlinear optical(NLO)responses of Keggin-type anions [XNbW11O40]n-/(n+1)-(X = Al,Si,P,S,Ga,Ge,As,Se).
其他文献
研究了摩尔组成为Al2O3:1.5 P2O5:R:125 H2O(R=2-甲基哌嗪或哌嗪)的初始混合物在160℃和190℃的晶化行为.在160℃,2-甲基哌嗪和哌嗪分别导向了两个拓扑结构完全不同的层状磷
采用水热合成技术,合成了一种新型四帽Keggin 结构多金属钼钒酸盐[H3MoⅥ8VⅣ8O40(AsO4)](en)2(4,4-bipy)7·9H2O 1,并对化合物进行了元素分析、红外光谱、X-射线光电子能
The microbial transformation of dinitrogen to biologic available form such as ammonium is called biological nitrogen fixation(BNF),which is mediated by nitr
We have designed and synthesized a series of ordered inorganic/organic hybrid aggregate structures of by self-assembly and self-organizing technique.The pro
能源是人类社会生存和发展的基础,当今社会的能源危机已经是刻不容缓的问题。人们在努力寻求新的能量,以解决日益增长的能源需求。目前最有活力的能源领域就是太阳能中的光
SBA-15 以其较高的比表面积、高的孔隙率、均匀的孔径分布及良好的热稳定性等优异性质,被广泛应用于催化、吸附剂等有着广泛的应用前景。目前多以用有机硅源(如TEOS、TMOS
La-doped TiO2 films were prepared by sol-gel method with tetrabutyl titanate(Ti(OC4H9)4),and Lanthanum oxide(La2O3)as raw materials on the ITO glass-substra
卟啉是一种高度共轭的大环有机化合物,在可见光区摩尔消光系数高,且发光量子效率高,在光电领域有着广阔的应用前景。但是卟啉容易被光漂白,相关特性消失,不利于其实际应用。
Hierarchical zeolites are useful solid catalysts for conversion of bulky molecules because they offer fast mass transfer along with size and shape selectivi
The oxidation state(OS)is one of the most important concepts in chemistry [1].As an indication of the electronic state of atoms in a molecule,the "oxidation