Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Ramjee Balasubramanian"'
Publikováno v:
Sensors and Actuators B: Chemical. 247:706-712
In this article, we show that resorcinarene tetratrimethylammonium tetrabromide cavitand interdigitated gold nanoparticles can be prepared by appropriate choice of solvent and that they can act as efficient colorimetric sensors for the selective dete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41a810459dcece42adfc07b35d0f885f
https://doi.org/10.1016/j.snb.2017.03.097
https://doi.org/10.1016/j.snb.2017.03.097
Autor:
Ramjee Balasubramanian
Wet-chemical methods have enabled the size-, shape- and composition-controlled synthesis of bi- and multi-metallic nanoparticles with varying degrees of success. Among several variables involved in colloidal synthesis, coordination ligands surroundin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df203c9ad28abe10be68895197c247ed
https://doi.org/10.1039/9781782620358-00001
https://doi.org/10.1039/9781782620358-00001
Autor:
Ramjee Balasubramanian, Sangbum Han
Publikováno v:
Langmuir. 30:9063-9070
Resorcinarenes with three different quaternary ammonium headgroups were synthesized and evaluated for their ability to stabilize gold nanoparticles in organic and aqueous medium. Aqueous dispersions of citrate stabilized gold nanoparticles of dimensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76fb1730cbd2e44f46f2288c9741ca2b
https://doi.org/10.1021/la501661s
https://doi.org/10.1021/la501661s
Autor:
Rebecca L. Stiles, Jai Pil Choi, Alicia D. Douglas, Christina A. Fields-Zinna, Royce W. Murray, Matthew C. Crowe, Ramjee Balasubramanian
Publikováno v:
The Journal of Physical Chemistry C. 114:15890-15896
We report reactivity of the gold nanoparticle [TOA+] [Au25(SC2Ph)18]1− (TOA+ = tetraoctylammonium; SC2Ph = phenylethanethiolate = L; [Au25(SC2Ph)18]1− = Au25L181−) with Ag+, Cu2+, and Pb2+ ions. Titration of solutions of Au25L181− in CH2Cl2 w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fdd28c4426b8bcacef8d4aa9d3e996d4
https://doi.org/10.1021/jp9101114
https://doi.org/10.1021/jp9101114
Electron Transport and Counterion Relaxation Dynamics in Neat Ferrocenated Imidazolium Ionic Liquids
Publikováno v:
The Journal of Physical Chemistry C. 112:18207-18216
The electron transport properties of 12 imidazolium ionic liquids (ILs) in which ferrocene groups have been attached to the imidazolium center by different linkers have been investigated. Cobalticenium is alternatively attached in another ionic liqui
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b57ac4655d22ecd99e459a5993439be
https://doi.org/10.1021/jp806132j
https://doi.org/10.1021/jp806132j
Publikováno v:
Journal of the American Chemical Society. 130:1856-1865
Au nanoparticles fully coated with omega-ferrocenyl hexanethiolate ligands, with average composition Au225(omega-ferrocenyl hexanethiolate)43, exhibit a unique combination of adsorption properties on Pt electrodes. The adsorbed layer is so robust tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cec0039fd2195c4dcf992f41df7fb7c8
https://doi.org/10.1021/ja074161f
https://doi.org/10.1021/ja074161f
Autor:
Amala Dass, Ramjee Balasubramanian, Royce W. Murray, Rui Guo, Joseph B. Tracy, and Alicia D. Douglas
Publikováno v:
Langmuir. 24:310-315
Two syntheses of gold nanoparticles with fluorinated alkyl and aryl thiolate ligands are reported. The fluorous Au nanoparticles are smaller than previous gold fluor-capped examples, and are in the 44-75 Au atom size range. Fluoroalkyl thiolate-prote
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd63cb588cb45b876ade163e3c69ffbc
https://doi.org/10.1021/la702651y
https://doi.org/10.1021/la702651y
Publikováno v:
J. Mater. Chem.. 17:105-112
Two resorcinarene-derived tetrathiols with terminal alkene sidechains (tetraarylthiol cavitand 3 and tetrabenzylthiol cavitand 4) were determined to be efficient at extracting colloidal gold nanoparticles from aqueous solutions and stabilizing their
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68541b334df75909d6e5dfde40a0b8cc
https://doi.org/10.1039/b614295h
https://doi.org/10.1039/b614295h
Publikováno v:
Langmuir. 23:2247-2254
The synthesis and compositional analysis of four different gold clusters with protecting monolayers comprised solely of ferrocene hexanethiolate ligands is described. The gold nanoparticles have average core diameters of 1.4, 1.6, 2.0, and 2.2 nm wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::146bcc93102dbc1f086de04b3fbecbfa
https://doi.org/10.1021/la0624081
https://doi.org/10.1021/la0624081
Publikováno v:
Journal of the American Chemical Society. 127:8126-8132
This paper describes the reaction of the phosphine-protected Au nanoparticle Au(55)(PPh(3))(12)Cl(6) (1, "Au55") with hexanethiol (2) and other thiols. The voltammetry of the reaction product 2 displays a well-defined pattern of peaks qualitatively r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b49e4db5e74c838d7211522e9a81b55d
https://doi.org/10.1021/ja050793v
https://doi.org/10.1021/ja050793v