QQ客服 官方微博 反馈留言

浏览/检索结果: 共5条，第1-5条 帮助 限定条件 内容类型：会议论文     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Design of solid frustrated Lewis pair catalysts by surface oxygen vacancy regulation for hydrogenation reactions 会议论文 作者:  Huang, Zheng-Qing;  Chang, Chun-Ran 收藏  |  浏览/下载：2/0  |  提交时间：2019/11/26 Influences of A- or B-site substitution on the activity of LaMnO3 perovskite-type catalyst in oxidation of diesel particle 会议论文 KOREAN JOURNAL OF CHEMICAL ENGINEERING, 6th Korea-China Workshop on Clean Energy Technology, Busan, SOUTH KOREA, Web of Science He, Bailei; Song, Qiang; Yao, Qiang; Meng, Zhongwei; Chen, Changhe 收藏  |  浏览/下载：3/0 A First-Principles Study of Energetics and Core Level Shifts of Anion-doped TiO2 Photo-catalysts 会议论文 us-china partnership workshop on the surface and heterogeneous catalysis, 中国, 2009-6-14 丁戊辰; 李国岭; 曾振华; 孙大鹏; 黄伟新; 李微雪 收藏  |  浏览/下载：19/0  |  提交时间：2011/07/11 High negative temperature coefficient of resistance of heteroepitaxial (Ba, Sr) TiO3 single crystal films prepared by pulsed laser deposition 会议论文 5th Asian/European International Conference on Plasma Surface Engineering, Qingdao, PEOPLES R CHINA, SEP 12-16, 2005 作者:  Han, WH;  Chen, XK;  Xie, EQ;  Wu, G;  Yang, JP 收藏  |  浏览/下载：3/0  |  提交时间：2015/07/31 (Ba, Sr) TiO3 film  negative temperature coefficient of resistance  oxygen vacancy  activation energy  thermal imaging   Preparation, characterization and optical properties of carbon doped ZnO nanocrystal (EI CONFERENCE) 会议论文 ICO20: Materials and Nanostructures, August 21, 2005 - August 26, 2005, Changchun, China Wang Z.; Li S.; Lu Y.; Zhao D.; Liu J.; Wang L.; Zhang J.; Gao Y.; Wang Z. 收藏  |  浏览/下载：20/0  |  提交时间：2013/03/25 In this paper  we prepared carbon doped nanocrystalline ZnO by pyrolyzed zinc stearate at 250C and 300C respectively. The XRD curves indicate the sample has polycrystalline hexagonal wurtzite structure. The XRD data of the sample prepared at 250C and 300C has a bigger angle shift about 0.05and 0.3respectively. That indicate the structure of the sample has some changes. The EDS indicate the sample contains Zn  O and C. So the XRD shift may attribute to the C. The XPS indicate the C doped in the crystal lattice of ZnO of the sample prepared at 300C  and the sample prepared at 250C may be only a few of C doped in the crystal lattice of ZnO. The PL of the sample prepared at 300C only has a weak ultraviolet emission  which indicates C modified the nanocrystalline ZnO surface as a non-radiative recombination center. In this process C could non-radiatively recombine the carries on the nanocrystallin ZnO surface. The sample prepared at 250C has a strong visible emission at about 530 nm. This emission band could be attributed to oxygen vacancy because C schlepped some oxygen on the nanocrystalline ZnO surface.