Zobrazeno 1 - 9
of 9
pro vyhledávání: '"R. F. Cossiello"'
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This article reports a study of the thermal relaxation in cast films of two polyfluorene based polymers, poly{9,9-dioctylfluorenyl-2,7-diyl} (BE329) and poly{(9,9-dioctyl-2,7-divinylene-fluorenylene)-alt-co-[2-methoxy-5-(2-ethyl-hexyloxy)-1,4-phenyle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9714b087a582b1e9151b485cbc182612
https://doi.org/10.1016/j.synthmet.2009.07.057
https://doi.org/10.1016/j.synthmet.2009.07.057
Autor:
Iris L. Torriani, Eduardo R. deAzevedo, G. L. Mantovani, R. F. Cossiello, Gregório Couto Faria, Tomás S. Plivelic, Teresa D. Z. Atvars, Tito José Bonagamba, Andre Souza
Publikováno v:
European Polymer Journal. 44:4063-4073
This article presents an investigation of the temperature induced modification in the microstructure and dynamics of poly[2-methoxy-5-(2′-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) cast films using Wide-Angle X-ray Scattering (WAXS), solid-sta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::356965a6c31f0f5c60f27ab4848385df
https://doi.org/10.1016/j.eurpolymj.2008.09.030
https://doi.org/10.1016/j.eurpolymj.2008.09.030
Publikováno v:
Synthetic Metals. 158:219-225
This work reports the electroluminescence of poly[2-methoxy-5(2′-ethylhexyloxy)- p -phenylenevinylene] (MEH-PPV) and poly(styrene- co -acrylic acid- co -1-pyrenylmethyl methacrylate) (SAA) blends in ratios from 0 to 100 wt.% in mass of MEH-PPV. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d30987a121b429bc92a3a18f56260478
https://doi.org/10.1016/j.synthmet.2008.01.011
https://doi.org/10.1016/j.synthmet.2008.01.011
Autor:
Liming Ding, J.D. Da Motta Neto, Teresa D. Z. Atvars, Amanda de Macedo Ferreira Machado, R. F. Cossiello, Leni Akcelrud, Frank E. Karasz
Publikováno v:
Polymer. 46:2452-2460
This paper reports the photo- and electroluminescence studies of emitting species of one of the first reported blue emitters, the conjugated–non-conjugated multi-block copolymer, poly[1,8-octanedioxy-2,6-dimethoxy-1,4-phenylene-1,2-ethenylene-1,4-p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3710ac595324bc1de45022ec163b8c0
https://doi.org/10.1016/j.polymer.2005.02.007
https://doi.org/10.1016/j.polymer.2005.02.007
Autor:
Teresa D. Z. Atvars, A. C. Bloise, Eduardo R. deAzevedo, R. F. Cossiello, Edemir Luiz Kowalski, Leni Akcelrud, Paula C. Rodrigues, Tito José Bonagamba
Publikováno v:
Macromolecules. 38:925-932
A detailed description of the thermal relaxation processes in MEH−PPV is reported. Bulk methods such as DMTA were employed in conjunction with other techniques that probe molecular motions, such as fluorescence spectroscopy, thermal stimulated curr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82f9434dd5c661b00aa45a43df3d449d
https://doi.org/10.1021/ma048340i
https://doi.org/10.1021/ma048340i
Autor:
Eduardo R. deAzevedo, R. F. Cossiello, Tereza D. Z. Atvars, Gregório Couto Faria, Iris L. Torriani, André A. Souza, Tomás S. Plivelic
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This article describes the microstructure and dynamics in the solid state of polyfluorene-based polymers, poly(9,9-dioctylfluorenyl-2,7-diyl) (PFO), a semicrystalline polymer, and poly[(9,9-dioctyl-2,7-divinylene-fluorenylene)-alt-co-{2-methoxy-5-(2-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c24420ddf8c3d52180ca8d6a273bf3d3
https://pubmed.ncbi.nlm.nih.gov/19627117
https://pubmed.ncbi.nlm.nih.gov/19627117
Autor:
Rodrigo Fernando Bianchi, Tito José Bonagamba, Débora Terezia Balogh, Roberto Mendonça Faria, Teresa D. Z. Atvars, Eduardo R. deAzevedo, A. C. Bloise, R. F. Cossiello
Publikováno v:
Physical Review B. 71
Solid-state nuclear magnetic resonance methods were used to study molecular dynamics of MEH-PPV at different frequency ranges varying from 1 Hz to 100 MHz. The results showed that in the 213 to 323 K temperature range, the motion in the polymer backb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0ed4ddfde02b9aedc837579e93d2166
https://doi.org/10.1103/physrevb.71.174202
https://doi.org/10.1103/physrevb.71.174202
Publikováno v:
Journal of the Brazilian Chemical Society v.16 n.1 2005
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 16, Issue: 1, Pages: 74-86, Published: FEB 2005
Scopus-Elsevier
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 16, Issue: 1, Pages: 74-86, Published: FEB 2005
Scopus-Elsevier
Here we systematically studied the excitation and the fluorescence steady-state spectroscopy of poly(2-methoxy-5(2'-ethylhexyloxy)-1,4-phenylenevinylene) (MEH-PPV) with three molecular weights, Mn= 51 kg mol-1, Mn= 86 kg mol-1 and Mn= 125 kg mol-1, i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f080e330551c3cc7c8111baf0476cba
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532005000100012
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532005000100012
Autor:
G. C. Faria, T. S. Plivelic, R. F. Cossiello, A. A. Souza, T. D. Z. Atvars, I. L. Torriani, E. R. deAzevedo
Publikováno v:
Journal of Physical Chemistry B; Aug2009, Vol. 113 Issue 33, p11403-11413, 11p