نتایج جستجو برای: c60/ polyvinyl pyridine conjugates

تعداد نتایج: 36942  

M. G. H. Zaidi N. Bhullar R. Singh S. Alam

In the present investigation efforts have been made to synthesis polyvinyl pyridine (PvPy) /C60 conjugates through 2, 2-azobisisobutyronitrile (AIBN) initiated insitu polymerization of PvPy in scCO2.The process of synthesis was monitored under different reaction conditions ranging 1200-1800psi, 60-90 oC over 6 hours. The progress of polymerization was monitored rheoviscometrically. The concentr...

Journal: :international journal of nanoscience and nanotechnology 2007
n. bhullar m. g. h. zaidi s. alam r. singh

in the present investigation efforts have been made to synthesis polyvinyl pyridine (pvpy) /c60 conjugatesthrough 2, 2-azobisisobutyronitrile (aibn) initiated insitu polymerization of pvpy in scco2.the processof synthesis was monitored under different reaction conditions ranging 1200-1800psi, 60-90 oc over 6hours. the progress of polymerization was monitored rheoviscometrically. the concentrati...

Journal: :Chemical science 2015
Sabrina V Kirner Danny Arteaga Christian Henkel Johannes T Margraf Nuria Alegret Kei Ohkubo Braulio Insuasty Alejandro Ortiz Nazario Martín Luis Echegoyen Shunichi Fukuzumi Timothy Clark Dirk M Guldi

The design, synthesis, and electronic properties of a new series of D-π-A conjugates consisting of free base (H2P) and zinc porphyrins (ZnP) as electron donors and a fullerene (C60) as electron acceptor, in which the two electroactive entities are covalently linked through pyridine-vinylene spacers of different lengths, are described. Electronic interactions in the ground state were characteriz...

Journal: :Nanoscale 2015
Prashanth K Poddutoori Gary N Lim Atula S D Sandanayaka Paul A Karr Osamu Ito Francis D'Souza Melanie Pilkington Art van der Est

The distance dependence of sequential electron transfer has been studied in six, vertical, linear supramolecular triads, (TTF-Ph(n)-py → AlPor-Ph(m)-C60, n = 0, 1 and m = 1, 2, 3), constructed using tetrathiafulvalene (TTF), aluminum(III) porphyrin (AlPor) and fullerene (C60) entities. The C60 and TTF units are bound to the Al center on opposite faces of the porphyrin; the C60 through a covalen...

Journal: :The Journal of organic chemistry 1990
J M Hawkins T A Lewis S D Loren A Meyer J R Heath Y Shibato R J Saykally

Treatment of C60 with osmium tetroxide and pyridine gives the osmate ester (2:1 adduct) establishing that oxygen functionality can be added to C60 without disrupting the carbon framework.

Journal: :Angewandte Chemie 2014
Ping Peng Fang-Fang Li Venkata S Pavan K Neti Alejandro J Metta-Magana Luis Echegoyen

Given the unique structural and electronic properties of C60 , metal-organic frameworks (MOFs) containing C60 linkers are expected to exhibit interesting characteristics. A new hexakisfullerene derivative possessing two pairs of phenyl pyridine groups attached to two methano-carbon atoms located at the trans-1 positions was designed and synthesized. The four pyridyl nitrogen atoms define a perf...

2007
C. Ringor

Nanotubes composed of C60 molecules (C60NTs) were prepared at ambient pressure and temperature by liquidliquid interfacial precipitation (LLIP) method using pyridine and isopropyl alcohol (IPA) for the solvent of C60 powder. The pyridine solution saturated with C60 was (a) exposed to UV (302 nm) and visible (436 nm) light, (b) mixed with IPA at 1:10, 1:9, 1:8, and 1:7 (C60pyridine:IPA) ratios, ...

Journal: :The Journal of Organic Chemistry 2013

Journal: :Chemical communications 2007
Shi-Qiang Liu De-Xian Wang Qi-Yu Zheng Mei-Xiang Wang

Azacalix[5]pyridine, a heteroatom bridged calixaromatic with an odd number of arene units, and azacalix[10]pyridine, a giant molecular belt, were selectively synthesized based on a 2 + 3 macrocyclic coupling strategy; both novel macrocyclic hosts formed strong 1 : 1 complexes with fullerenes C60 and C70 in a size-selective manner with association constants up to 1.3 x 10(5) +/- 0.03 x 10(5) M(-1).

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