Zobrazeno 1 - 10
of 96
pro vyhledávání: '"T.K. Varadarajan"'
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 10, Iss 1, Pp 19-23 (2008)
A new synthetic approach was followed for the preparation of mesoporous titania, where polyethylene glycol-400, a water soluble polymer was employed as hydrolysis retarding agent. Mesoporous titania was characterized by low angle XRD, N2 adsorption,
Externí odkaz:
https://doaj.org/article/af7b8ed760f84eabafb4813f7ab6ee28
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 6, Iss 3, Pp 227-231 (2004)
The organic-inorganic nanocomposites were synthesized by sol-gel techniques. The constructed film renders photochromism, which can be tuned by choosing suitable polyoxometalates (POM). The molybdenum POMs show better photochromism than the tungsten P
Externí odkaz:
https://doaj.org/article/09efa5657bc04116823d10a4a65cfaad
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 4, Iss 3, Pp 169-174 (2002)
Vanadium incorporated hexagonal mesoporous aluminophosphate characteristic of MCM-41 has been synthesized. Characterization of the catalyst has been done by using low angle XRD, N2 adsorption, UVVIS DRS, thermal analysis, XPS and ESR spectroscopy. Th
Externí odkaz:
https://doaj.org/article/07438e9cf148474c959c4d62a19197ab
Publikováno v:
Eurasian Chemico-Technological Journal, Vol 3, Iss 1, Pp 59-63 (2001)
The synthesis and characterization of M-MCM-48 (M= Si, Ti, V, Cr and Mn) materials have been carried out. These systems promote hydroxylation of phenol with 30 % H2O2 and the hydroxylation activity is highest for Ti-MCM-48. Water appears to be a bett
Externí odkaz:
https://doaj.org/article/cc92361cc1ab42f18fde767816f6fc17
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 223:149-153
Trivalent iron incorporated mesoporous aluminophosphate was synthesized under hydrothermal conditions. The synthesized mesoporous Fe-AlPO was characterized by using various physico-chemical techniques, which confirm the formation of mesophase as well
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14f99def53641548632b8c358f6522db
https://doi.org/10.1016/j.molcata.2004.03.056
https://doi.org/10.1016/j.molcata.2004.03.056
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 223:143-147
The esterification of triethylene glycol (TEG) with methacrylic acid (MAA) was carried out over various solid acid catalysts and the results were compared with conventional acid catalysts. Among the catalysts studied, heteropolyacids showed higher ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b76c23bd82590aa7e6d927dbd270c4bd
https://doi.org/10.1016/j.molcata.2004.02.030
https://doi.org/10.1016/j.molcata.2004.02.030
Autor:
Albert Renken, Ch. Subrahmanyam, Benoit Louis, Fabio Rainone, T.K. Varadarajan, Balasubramanian Viswanathan
Publikováno v:
Applied Catalysis A: General. 241:205-215
Thesynthesesofthermallystablechromium-incorporatinghexagonalmesoporousaluminophosphateandcubicCr-MCM-48have been reported. Characterization of the catalysts was made using low angle XRD, N 2 adsorption, UV-VISDRS, thermalanalysis, ICP-AES and ESR. Me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d583b4326111a0a406a31d429bdc8ba
https://doi.org/10.1016/s0926-860x(02)00469-6
https://doi.org/10.1016/s0926-860x(02)00469-6
Publikováno v:
Applied Catalysis A: General. 172:15-22
Selective oxidation and dehydrogenation of benzyl alcohol have been carried out on ABB?O3 (A=Ba, B=Pb, Ce, Ti and B?=Bi, Cu, Sb)-type perovskite oxides in the absence and in the presence of oxygen. Partial reduction of the catalyst is observed when t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b99e6419d45e278706da752a0b4022a
https://doi.org/10.1016/s0926-860x(98)00119-7
https://doi.org/10.1016/s0926-860x(98)00119-7
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 96:181-185
The photocatalytic reduction of dinitrogen to ammonia is influenced by the nature and amount of metal loading on TiO2. The optimum metal content varies depending on the nature of the metal. A correlation between the ammonia yield and the intermediary
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::688f124d1e527e92379bf4e096ea5dd8
https://doi.org/10.1016/1010-6030(95)04290-3
https://doi.org/10.1016/1010-6030(95)04290-3
Publikováno v:
Journal of Materials Science Letters. 15:874-877
Photocatalysis has recently gained attention in the field of pollutant degradation [1-4]. Among the various semiconductors employed, anatase phase of TiO2 appears to be a promising photocatalyst [5, 6]. TiO; has become a benchmark semiconductor, show
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb7ad38eae9de9e04a0604e94c8bb662
https://doi.org/10.1007/bf00592715
https://doi.org/10.1007/bf00592715