Artículo
Intramolecular charge separation in spirobifluorene-based donor-acceptor compounds adsorbed on Au and indium tin oxide electrodes
Heredia, Daniel Alejandro
; Otero, Luis Alberto
; Gervaldo, Miguel Andres
; Fungo, Fernando Gabriel
; Dittrich, Thomas; Lin, Chih-Yen; Chi, Liang-Chen; Fang, Fu Chuan; Wong, Ken Tsung
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Fecha de publicación:
01/2013
Editorial:
Elsevier Science SA
Revista:
Thin Solid Films
ISSN:
0040-6090
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Surface photovoltage (SPV) measurements were performed with a Kelvin-probe in spirobifluorene-based donor (diphenylamine)-acceptor (dicyano or cyanoacrylic acid moieties) compounds adsorbed from highly diluted solutions onto Au and indium tin oxide electrode surfaces. Strong intramolecular charge separation (negative SPV signals up to more than 0.1 V) due to directed molecule adsorption was observed only for spirobifluorene donor-acceptor compounds with carboxylic acid moiety. SPV signals and onset energies of electronic transitions depended on ambience conditions.
Palabras clave:
CHARGE SEPARATION
,
KEYWORDS
,
SPIROBIFLUORENE
,
SURFACE PHOTOVOLTAGE
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Identificadores
Colecciones
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Citación
Heredia, Daniel Alejandro; Otero, Luis Alberto; Gervaldo, Miguel Andres; Fungo, Fernando Gabriel; Dittrich, Thomas; et al.; Intramolecular charge separation in spirobifluorene-based donor-acceptor compounds adsorbed on Au and indium tin oxide electrodes; Elsevier Science SA; Thin Solid Films; 527; 1-2013; 175-178
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