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The Driving Force of Photoinduced Charge Separation in Metal-Cluster-Encapsulated Triphenylamine-[80]fullerenes

Understanding photoinduced charge separation in fullerene-based dye-sensitized solar cells is crucial for the development of photovoltaic devices. We investigate here how the driving force of the charge separation process in conjugates of M@C80 (M=Sc3N, Sc3CH, Sc3NC, Sc4O2, and Sc4O3) with triphenylamine (TPA) depends on the nature of the metal cluster. Both singlet and triplet excited-state electron-transfer reactions are considered. These results based on TD-DFT calculations demonstrate that the driving force of charge separation in TPA-M@C80 can be tuned well by varying the structure of the metal cluster encapsulated inside the fullerene cage

We are grateful for financial support from the Spanish Ministerio de Economía y Competitividad (MINECO) (Projects CTQ2014-54306-P and CTQ2015-69363-P), the Catalan DIUE (Project 2014SGR931, ICREA Academia 2014 Award to MS, and Xarxa de Referència en Química Teòrica i Computacional), and the FEDER fund (UNGI10-4E-801). J.P.M. acknowledges the Mexican National Council of Science and Technology (CONACYT) for his PhD fellowship (register/application number 217067/312543)

info:eu-repo/grantAgreement/MINECO//CTQ2014-54306-P/ES/ESTUDIOS TEORICO-EXPERIMENTALES DE CICLACIONES CATALIZADAS POR METALES DE TRANSICION. NUEVOS DESARROLLOS EN AROMATICIDAD, FUNCIONALES DE LA DENSIDAD Y QUIMICA SUPRAMOLECULAR/

Wiley

Director: Ministerio de Economía y Competitividad (Espanya)
Generalitat de Catalunya. Agència de Gestió d’Ajuts Universitaris i de Recerca
Autor: Martínez López, Juan Pablo
Solà i Puig, Miquel
Voityuk, Alexander A.
Data: 21 novembre 2016
Resum: Understanding photoinduced charge separation in fullerene-based dye-sensitized solar cells is crucial for the development of photovoltaic devices. We investigate here how the driving force of the charge separation process in conjugates of M@C80 (M=Sc3N, Sc3CH, Sc3NC, Sc4O2, and Sc4O3) with triphenylamine (TPA) depends on the nature of the metal cluster. Both singlet and triplet excited-state electron-transfer reactions are considered. These results based on TD-DFT calculations demonstrate that the driving force of charge separation in TPA-M@C80 can be tuned well by varying the structure of the metal cluster encapsulated inside the fullerene cage
We are grateful for financial support from the Spanish Ministerio de Economía y Competitividad (MINECO) (Projects CTQ2014-54306-P and CTQ2015-69363-P), the Catalan DIUE (Project 2014SGR931, ICREA Academia 2014 Award to MS, and Xarxa de Referència en Química Teòrica i Computacional), and the FEDER fund (UNGI10-4E-801). J.P.M. acknowledges the Mexican National Council of Science and Technology (CONACYT) for his PhD fellowship (register/application number 217067/312543)
Format: application/pdf
Accés al document: http://hdl.handle.net/10256/13380
Llenguatge: eng
Editor: Wiley
Col·lecció: info:eu-repo/semantics/altIdentifier/doi/10.1002/chem.201603504
info:eu-repo/semantics/altIdentifier/issn/0947-6539
info:eu-repo/semantics/altIdentifier/eissn/1521-3765
info:eu-repo/grantAgreement/MINECO//CTQ2015-69363-P/ES/OMPUTACION DEL ESTADO EXCITADO: DE ESPECTROS MOLECULARES A SISTEMAS MULTICROMOFORICOS/
AGAUR/2014-2016/2014 SGR-931
És part de: info:eu-repo/grantAgreement/MINECO//CTQ2014-54306-P/ES/ESTUDIOS TEORICO-EXPERIMENTALES DE CICLACIONES CATALIZADAS POR METALES DE TRANSICION. NUEVOS DESARROLLOS EN AROMATICIDAD, FUNCIONALES DE LA DENSIDAD Y QUIMICA SUPRAMOLECULAR/
Drets: Tots els drets reservats
Matèria: Funcional de densitat, Teoria del
Density functionals
Fullerenes
Ful·lerens
Títol: The Driving Force of Photoinduced Charge Separation in Metal-Cluster-Encapsulated Triphenylamine-[80]fullerenes
Tipus: info:eu-repo/semantics/article
Repositori: DUGiDocs

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