Zobrazeno 1 - 10
of 52
pro vyhledávání: '"L. O. Péres"'
Autor:
Camila Gouveia Barbosa, Giovana A. Parolin, L. O. Péres, Alessandra S. Menandro, Roselena Faez
Publikováno v:
Macromolecular Symposia. 383:1800023
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56115854cc9fbb05be206eee6420a0cb
https://doi.org/10.1002/masy.201800023
https://doi.org/10.1002/masy.201800023
Publikováno v:
Journal of Materials Science. 42:2329-2333
Poly(N-vinylcarbazole) (PVCz) is well known as an electroactive material due to its good photoconductivity, charge-transfer complexes, photoluminescence and electroluminescence properties. The block copolymers of N-vinylcarbazole were prepared and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fd96761eb90b9f34b56d466e3a23e6a
https://doi.org/10.1007/s10853-006-0375-2
https://doi.org/10.1007/s10853-006-0375-2
Publikováno v:
Synthetic Metals. 156:529-536
Halogen-substituted poly( p -phenylene vinylene) (PPV) and copolymers containing halogen-substituted PPV were chemically synthesized via Wessling and Wittig routes, respectively. FTIR, 1 H NMR, UV–vis and fluorescence spectroscopies and electrochem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abab3c31522ec1d83df46bb9ade0ff78
https://doi.org/10.1016/j.synthmet.2006.01.014
https://doi.org/10.1016/j.synthmet.2006.01.014
Publikováno v:
Synthetic Metals. 155:450-454
Oligomers of PPP (p-terphenyl, p-quaterphenyl and p-sexiphenyl) were doped using Na or K to promote a reduction. The used method, with liquid ammonia resulted in a solid state doped material without insertion of solvent. The characterization with XPS
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23763c498ee31e445b22ab5e7ca963c3
https://doi.org/10.1016/j.synthmet.2005.02.020
https://doi.org/10.1016/j.synthmet.2005.02.020
Publikováno v:
Journal of Solid State Electrochemistry. 8:122-126
In this communication we describe the electrochemical synthesis of poly(2,5-dicyano-p-phenylenevinylene) (DCNPPV) polymer films on indium tin oxide substrates. We investigate the purity, morphology, absorption and emission properties of the film. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f077b1f35d28ff914a87f080f50768c
https://doi.org/10.1007/s10008-003-0394-8
https://doi.org/10.1007/s10008-003-0394-8
Autor:
Hamilton Varela, Jarem Raul Garcia, Jonas Gruber, L. O. Péres, Mauro Roberto Fernandes, Francisco Carlos Nart, Roberto M. Torresi
Publikováno v:
Synthetic Metals. 118:65-70
This paper describes the electrochemical synthesis of poly(p-phenylene vinylene) and poly(o-phenylene vinylene), via potentiostatic cathodic reduction of α,α,α′,α′-tetrabromo-p-xylene and α,α,α′,α′-tetrabromo-o-xylene. The polymerizat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::942bc3e045114925c79a1632918543ba
https://doi.org/10.1016/s0379-6779(00)00282-4
https://doi.org/10.1016/s0379-6779(00)00282-4
Publikováno v:
Solid-State Electronics. 44:565-569
We present an organic device with an abrupt increase in the current when the applied voltage exceeds a critical value, behaving like a switch. The device consists in a blend of poly(acetoxy-p-phenylene vinylene) and poly(methyl methacrylate) sandwich
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e10f5890acc41e6a9cc49b8f4776955
https://doi.org/10.1016/s0038-1101(99)00290-7
https://doi.org/10.1016/s0038-1101(99)00290-7
Autor:
Jonas Gruber, L. O. Péres
Publikováno v:
Materials Science and Engineering: C. 27:67-69
Chemiresistive gas sensors were assembled with doped block copolymers containing PPV and tested with vapours of several organic solvents. The results showed that the polymeric sensors are sensitive to the exposed solvent vapours, being able to distin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03c0bf7e2b4c827e8180c20d0d7a32f5
https://doi.org/10.1016/j.msec.2006.02.006
https://doi.org/10.1016/j.msec.2006.02.006
Publikováno v:
Advanced Materials for Optics and Electronics. 8:181-186
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8504db57b90b7f147610b9433d16fb64
https://doi.org/10.1002/(sici)1099-0712(1998070)8:4<181::aid-amo352>3.0.co
https://doi.org/10.1002/(sici)1099-0712(1998070)8:4<181::aid-amo352>3.0.co
Autor:
Francisco Carlos Nart, E. L. de Sá, Jonas Gruber, Ivo A. Hümmelgen, Lucimara S. Roman, L. O. Péres, Rosamaria Wu Chia Li
Publikováno v:
Synthetic Metals. 90:147-151
Poly(1,4-phenylene methylidynenitrilo-1,4-phenylene nitrilomethylidyne) (PPI) was prepared and investigated using UV spectroscopy and tunneling current measurements at metal/PPI interfaces. The difference between the LUMO and HOMO level energies of P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d18461e1f5eb4d24aa068a60e82d2cb9
https://doi.org/10.1016/s0379-6779(97)81264-7
https://doi.org/10.1016/s0379-6779(97)81264-7