Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Nirmalya K. Chaki"'
Autor:
Nirmalya K. Chaki, Vijayamohanan K. Pillai, Subhramannia Mahima, Jadab Sharma, Bhalchandra Kakade
Publikováno v:
Journal of Nanoscience and Nanotechnology. 7:2139-2150
The role of polyfunctional organic molecules in the synthesis of differently shaped metallic nanostructures and their assembly is investigated. These molecules could be used as spacer ligands and also for surface passivation of nanoparticles, especia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::557c63585f0c52dbe70ecb50d7c68c3f
https://doi.org/10.1166/jnn.2007.784
https://doi.org/10.1166/jnn.2007.784
Publikováno v:
The Journal of Physical Chemistry C. 111:4885-4888
A set of nearly monodisperse Au−Ag alloy clusters (size range 1.6−2.2 nm) with various Ag content (5−30%) was prepared by the co-reduction method in the presence of poly(N-vinyl-2-pyrrolidone) (PVP). The catalytic activities of the Au−Ag:PVP
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55b6833b8d1a3e54e1854585459795fc
https://doi.org/10.1021/jp070791s
https://doi.org/10.1021/jp070791s
Autor:
Apparao M. Rao, Bhalchandra Kakade, Renu Pasricha, Jadab Sharma, Subhramannia Mahima, Nirmalya K. Chaki, K. Vijayamohanan
Publikováno v:
Journal of Nanoscience and Nanotechnology. 6:1387-1391
This paper reports a novel electrochemical route for anchoring monolayer protected gold nanoclusters (size 8 +/- 0.2 nm) on single-walled carbon nanotube bundles, resulting in the formation of hybrid materials. Monolayer protected gold nanoclusters p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e66ee2a28ca2cb64a9d0286ed6ef7d6f
https://doi.org/10.1166/jnn.2006.323
https://doi.org/10.1166/jnn.2006.323
Autor:
Surendra G. Sudrik, Jadab Sharma, Kunjukrishna P. Vijayamohanan, Harikisan R. Sonawane, Nirmalya K. Chaki, Vilas B. Chavan
Publikováno v:
Organic Letters. 8:1089-1092
[reaction: see text] We report Wolff rearrangement of alpha-diazoketones by in situ generated silver nanoclusters (Ag(n)(), 2-4 nm) from silver(I) oxide (Ag(2)O) involving a nonclassical electron-transfer process. Our results show that Ag(n)()(+)/Ag(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5155e450ecaad9f20810dc98f7c84a1c
https://doi.org/10.1021/ol052981w
https://doi.org/10.1021/ol052981w
Autor:
Subhramannia Mahima, Santosh K. Haram, Bhalchandra Kakade, Kunjukrishna P. Vijayamohanan, Jadab Sharma, Nirmalya K. Chaki
Publikováno v:
Journal of Applied Physics. 96:5032-5036
Monolayer-protected quantum dots (Q-dots) show multivalent redox property, popularly known as the quantized double-layer (QDL) charging phenomena. In this report, we demonstrate the QDL behavior of the larger-sized Au Q-dots (ca.3.72nm) protected wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec8e073fd014ef8ed9a8063102262e27
https://doi.org/10.1063/1.1781763
https://doi.org/10.1063/1.1781763
Publikováno v:
Langmuir. 20:10208-10217
In this report, we demonstrate the single-electron charging features of larger-sized (ca. 3.72 nm) Au nanoclusters protected with dodecanethiol [approximate composition, Au1415(RS)328] using combined electrochemical and scanning tunneling microscopic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1cb0ee433f7f8ace6c51ea7633e5a791
https://doi.org/10.1021/la048489n
https://doi.org/10.1021/la048489n
Publikováno v:
Electrochemistry Communications, Vol 6, Iss 7, Pp 661-665 (2004)
The electrochemical quantized double layer charging of 4.63±0.04 nm sized Au nanoclusters protected with dodecanethiol [ca. Au2869(DDT)541] has been investigated using differential pulse voltammetry, cyclic voltammetry and impedance measurements. Ou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::783d9509cd0e7d1d9b1f091bde152b71
http://www.sciencedirect.com/science/article/pii/S1388248104001110
http://www.sciencedirect.com/science/article/pii/S1388248104001110
Size dependent redox behavior of monolayer protected silver nanoparticles (2–7 nm) in aqueous medium
Autor:
I. S. Mulla, Nirmalya K. Chaki, Renu Pasricha, K. Vijayamohanan, Jadab Sharma, A. A. B. Mandle
Publikováno v:
Phys. Chem. Chem. Phys.. 6:1304-1309
Monolayer protected nanoclusters are of current interest due to their ease of synthesis, high stability and possibility to precisely control their aspect ratio by preparation procedures, so that they can be tuned for a wide range of applications. Sin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b57ece7478ebf1209863482e7fedecf
https://doi.org/10.1039/b312643a
https://doi.org/10.1039/b312643a
Autor:
Kunjukrishna P. Vijayamohanan, Nirmalya K. Chaki, Mohammed Aslam, Imtiaz S. Mulla, Renu Pasricha, Thiruvancheril G. Gopakumar, Jadab Sharma
Publikováno v:
The Journal of Physical Chemistry B. 107:13567-13574
The electronic properties of an array of monolayer-protected gold nanoclusters (ca. 4.8 ± 0.5 nm) are investigated with the variation of chain length and molecular structure of the passivating organic molecules. Here, we use a metal−insulator−(m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfab8d6d27af58b4bda1c02df8efe9da
https://doi.org/10.1021/jp035032y
https://doi.org/10.1021/jp035032y
Publikováno v:
Current Applied Physics. 3:115-127
The present status of self-assembled monolayers (SAMs) on different surfaces (2D systems) as well as monolayer formation on metallic and semiconducting cluster surfaces (3D SAM) to form monolayer-protected nanoclusters (MPCs) and their assemblies is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9ce4beafed7e08ed6de7524ab247797
https://doi.org/10.1016/s1567-1739(02)00180-3
https://doi.org/10.1016/s1567-1739(02)00180-3