Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Mary Y. Hu"'
Autor:
Israel E. Wachs, Karl T. Mueller, Yang He, Yong Wang, Jun-Kun Lai, Monica Vasiliu, Eric D. Walter, Nicholas R. Jaegers, Chongmin Wang, Ying Chen, David A. Dixon, Mary Y. Hu, Jian Zhi Hu
Publikováno v:
Angewandte Chemie International Edition. 58:12609-12616
The selective catalytic reduction (SCR) of NOx with NH3 to N2 with supported V2 O5 (-WO3 )/TiO2 catalysts is an industrial technology used to mitigate toxic emissions. Long-standing uncertainties in the molecular structures of surface vanadia are cla
Autor:
David A. Dixon, Ying Chen, Jianzhi Hu, Jun-Kun Lai, Eric D. Walter, Mary Y. Hu, Chongmin Wang, Nicholas R. Jaegers, Yang He, Yong Wang, Israel E. Wachs, Karl T. Mueller, Monica Vasiliu
Publikováno v:
Angewandte Chemie. 131:12739-12746
Autor:
Aleksei Vjunov, Johannes A. Lercher, Jian Zhi Hu, Chuan Wan, Zhenchao Zhao, Meng Wang, Donald M. Camaioni, Mary Y. Hu
Publikováno v:
The Journal of Physical Chemistry C. 121:12849-12854
27Al single pulse (SP) MAS NMR spectra of HBEA zeolites with high Si/Al ratios of 71 and 75 were obtained at three magnetic field strengths of 7.05, 11.75, and 19.97 T. High field 27Al MAS NMR spectra acquired at 19.97 T show significantly improved s
Autor:
Eric D. Walter, Chuan Wan, Israel E. Wachs, Mary Y. Hu, Monica Vasiliu, Nicholas R. Jaegers, Jian Zhi Hu, Yong Wang, David A. Dixon
Publikováno v:
The Journal of Physical Chemistry C. 121:6246-6254
Supported V2O5/SiO2 catalysts were studied using solid-state 51V magic-angle spinning NMR at a sample spinning rate of 36 kHz and at a magnetic field of 19.975 T to provide a better understanding of the coordination of the vanadium oxide as a functio
Autor:
Odeta Qafoku, Jian Zhi Hu, David A. Dixon, Chuan Wan, Virgil E. Jackson, K. Sahan Thanthiriwatte, Mary Y. Hu, Andrew R. Felmy, Xuchu Deng, Kevin M. Rosso
Publikováno v:
Environmental Science & Technology. 50:12373-12384
We report an in situ high-pressure NMR capability that permits natural abundance 17O and 25Mg NMR characterization of dissolved species in aqueous solution and in the presence of supercritical CO2 fluid (scCO2). The dissolution of Mg(OH)2 (brucite) i
Autor:
Jian Zhi Hu, Chuan Wan, Huamin Wang, Mary Y. Hu, Feng Gao, Nicholas R. Jaegers, Zhaohai Qin, Yong Wang, Dachuan Shi
Publikováno v:
The Journal of Physical Chemistry C. 120:23093-23103
The metal–support interaction in γ-Al2O3 supported WOX catalysts is investigated by a combination of high field quantitative single pulse (SP) 27Al MAS NMR spectroscopy, 2D MQMAS, 1H–27Al CP/MAS, and electronic structure calculations. NMR allows
Autor:
Zhenchao Zhao, Xinhe Bao, Suochang Xu, Jian Zhi Hu, Charles H. F. Peden, Xiuwen Han, Chuan Wan, Ja Hun Kwak, Yong Wang, Mary Y. Hu, János Szanyi
Publikováno v:
Journal of Catalysis. 336:85-93
High field quantitative 27Al single pulse (SP) MAS NMR combined with temperature programmed desorption (TPD) of ethanol is used to study the surface of γ-Al2O3 during phase transformation processes induced by calcination in the temperature range of
Autor:
Jiangfeng Qian, Ji-Guang Zhang, Jian Zhi Hu, Mary Y. Hu, Chuan Wan, Oleg Borodin, Zhaohai Qin
Publikováno v:
Journal of Power Sources. 307:231-243
Natural abundance 17O and 6Li NMR experiments, quantum chemistry and molecular dynamics studies were employed to investigate the solvation structures of Li+ at various concentrations of LiFSI in DME electrolytes. It was found that the chemical shifts
Publikováno v:
Microporous and Mesoporous Materials. 223:241-246
Water assisted phase transformation process from crystalized AlPO4-5 to AlPO4-tridymite was studied by the combination of X-ray diffraction (XRD), Scanning Electron Microscopy (SEM) and in situ multinuclear MAS NMR. It is found that water first activ
Autor:
Bee Min Goh, Jian Zhi Hu, Wei Tang, Bingbing Tian, Kian Ping Loh, Xuchu Deng, Mary Y. Hu, Chuan Wan, Ming Lin, Chengxin Peng
Publikováno v:
The Journal of Physical Chemistry C. 120:2600-2608
Motivated by its high surface area and electrical conductivity, reduced graphene oxide (rGO) flakes have been intensively studied as potential anode materials for lithium ion battery (LIB). The high capacity in rGO (600–1000 mA h g–1) compared to