Zobrazeno 1 - 10
of 45
pro vyhledávání: '"William D. Samuels"'
Autor:
Ryan D. Rutledge, Yongsoon Shin, Wassana Yantasee, William D. Samuels, Joseph D. Davidson, Glen E. Fryxell, Nikki H. LaFemina, Thanapon Sangvanich, Wilaiwan Chouyyok
Publikováno v:
Environmental Science & Technology. 44:6390-6395
Copper has been identified as a pollutant of concern by the U.S. Environmental Protection Agency (EPA) because of its widespread occurrence and toxic impact in the environment. Three nanoporous sorbents containing chelating diamine functionalities we
Autor:
Chunhua Yao, Charles F. Windisch, William D. Samuels, Chongmin Wang, Bruce W. Arey, Yongsoon Shin, Gregory J. Exarhos, Li-Qiong Wang, William M. Risen
Publikováno v:
The Journal of Physical Chemistry C. 111:15141-15145
Aqueous monosaccharide solutions including glucose or fructose have been hydrothermally treated in a closed system to form colloidal carbon spheres. In-situ Raman and 13C NMR have been used to quantify the intramolecular dehydration moiety, HMF, as a
Publikováno v:
Materials Letters. 61:2814-2817
Unbleached and bleached soft wood pulps have been used as templates and carbon precursors to produce SiC nanorods. Hydrolyzed tetraethylorthosilicate (TEOS), silicic acid was infiltrated into the pulps followed by a carbothermal reduction to form SiC
Autor:
Yongsoon Shin, Yigal D. Blum, William D. Samuels, Jessica D. Torrey, Rajendra K. Bordia, Charles H. Henager
Publikováno v:
Journal of Materials Science. 41:4617-4622
Preceramic polymers and expansion agents are being investigated to produce composite ceramic coatings for oxidation protection of metallic substrates. In this paper, we present results of a systematic approach to selecting the preceramic polymer and
Publikováno v:
Journal of Applied Polymer Science. 102:967-971
A three-phase epoxy-based composite with randomly distributed silver nanoparticles and BaTiO3 particles was synthesized. By the incorporation of silver nanoparticles into the epoxy resin, the dielectric properties of the resin were significantly enha
Autor:
Philip Gilmour, Gregory J. Exarhos, William D. Samuels, Li-Qiong Wang, Prerak Badheka, Burtrand I. Lee, Lai Qi
Publikováno v:
Materials Letters. 59:2794-2798
We report the synthesis of tetragonal sub-micron barium titanate particles through a low-temperature solvothermal treatment. Effort has been concentrated on the variation of particle characteristics including particle size and c / a ratio, as a funct
Publikováno v:
Advanced Materials. 17:1777-1781
We report the synthesis of an epoxy-based composite containing randomly distributed silver nanoparticles with a narrow size distribution centered around 40nm. The surface of the Ag nanoparticles is coated with a thin layer of mercaptosuccinic acid (M
Autor:
Dang-Hyok Yoon, Lai Qi, Prerak Badheka, Burtrand I. Lee, William D. Samuels, Gregory J. Exarhos
Publikováno v:
Journal of the European Ceramic Society. 24:3553-3557
A modified autoclave was used to investigate the crystallization mechanism of BaTiO 3 during the hydrothermal reaction of Ba(OH) 2 and TiO 2 anatase. An uneven distribution of the crystallized BaTiO 3 particles was observed: more than 99 wt.% of tota
Publikováno v:
Journal of Luminescence. 109:85-91
Europium-doped yttrium oxide phosphors were obtained by firing precursors prepared by urea precipitation in ethanol and ethylenediamine. The precipitation in non-aqueous solution was carried out in an autoclave at 150°C to allow the decomposition of
Autor:
John A. Ripmeester, Yongsoon Shin, Igor L. Moudrakovski, Victor V. Terskikh, Li Q. Wang, Gregory J. Exarhos, William D. Samuels
Publikováno v:
The Journal of Physical Chemistry B. 107:13793-13802
Hierarchically ordered positive and negative replicas of wood cellular structures prepared using surfactant templating methods under acidic and basic conditions have been studied by means of continuous flow hyperpolarized 129Xe NMR, solid-state MAS 1