Zobrazeno 1 - 10
of 54
pro vyhledávání: '"C.W. Spencer"'
Publikováno v:
Physical Review B. 55:7831-7849
We have measured the photocurrent action spectra of the conjugated polymers poly[2-methoxy, 5 ethyl (2\ensuremath{'} hexyloxy) paraphenylenevinylene] (MEH-PPV) and poly(phenylenevinylene) (PPV) in sandwich cells between indium tin oxide (ITO) and alu
Publikováno v:
Synthetic Metals. 76:71-75
We have fabricated single-layer organic electroluminescent diodes with poly( para -phenylene vinylene) (PPV) and poly(2-methoxy-5-ethyl(2′-hexyloxy) para -phenylene vinylene) (MEH-PPV), using indium-tin oxide (ITO) or semi-transparent gold as hole-
Autor:
Franco Cacialli, Stephen C. Moratti, Andrew B. Holmes, Richard H. Friend, Xiao-Chang Li, George C.W. Spencer
Publikováno v:
Synthetic Metals. 76:153-156
In this work we report the synthesis and characterization of processable poly(aromatic oxadiazole)s. The polymers are rendered processable by either dissolving the polymer in strongly acidic organic solvent or by the thermal conversion of a soluble p
Publikováno v:
Journal of Petroleum Geology. 18:397-420
The supercontinent of Gondwana (Antarctica, Africa, Australia, South America, India, the Arabian Peninsula, Madagascar and Sri Lanka) covered more than six times the combined area of the United States and Brazil. In this paper, the petroleum occurren
Autor:
C.E. Barker, V.L. Bankey, J.A. Pitkin, M.I. Toth, J.S. Dersch, C.L. Molnia, C.J. Wandrey, B.E. Law, C.W. Spencer, Roberts L.N. Robinson, S.M. Smith, T.M. Cookro, S.J. Soulliere
Publikováno v:
Open-File Report.
Autor:
Xiao-Chang Li, J. C. De Mello, Arno Kraft, Stephen C. Moratti, Richard H. Friend, George C.W. Spencer, Johannes Gruener, Raoul Cervini, Franco Cacialli, A.B. Holmes
Publikováno v:
MRS Proceedings. 413
New oxadiazole-based polymeric materials have been synthesized either as side chain copolymers with polymethacrylate or as main chain copolymers carrying solubilizing elements such as hexafluoropropylidene or meta-linked aromatic spacer units. Many o
Autor:
Emiel G. J. Staring, Andrew B. Holmes, Gerwin H. Gelinck, George C.W. Spencer, John M. Warman, Do-Hoon Hwang
Publikováno v:
Synthetic Metals. 84:595-596
Flash photoexcitation of dilute solutions of fully conjugated poly(2,5-dialkoxyphenylenevinylene)s results in a transient change in the microwave conductivity. Gel formation resulting from aggregation of polymer chains in some of the solutions leads
Autor:
George C.W. Spencer, Andrew B. Holmes, Xiao-Chang Li, Franco Cacialli, Arno Kraft, J. Grüner, Stephen C. Moratti, Richard H. Friend
Publikováno v:
J. Chem. Soc., Chem. Commun.. :2211-2212
A one-pot polycondensation of 4,4′-(hexafluoroisopropylidene)bis(benzoic acid)1 with terephthalic dihydrazide 2 and/or hydrazine sulfate 3 affords aromatic oxadiazole polymers 4, 5 and 6, respectively, the optical and electrochemical properties of
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Publikováno v:
Journal of Physics and Chemistry of Solids. 2:240-251
A number of compounds of V−B and VI−B elements, with chemical formula M 2 v − b N 3 vi − b been synthesized as single crystals of fairly good purity. Resistivity, thermoelectric power, infra-red transmission, and in some cases Hall effect, ha