Charge transfer-assisted self-limited decyanation reaction of TCNQ-type electron acceptors on Cu(100)

Christian Urban; Yang Wang; Jonathan Rodríguez-Fernández; Raúl García; M. Ángeles Herranz; Manuel Alcamí; Nazario Martín; Fernando Martín; José M. Gallego; Rodolfo Miranda; Roberto Otero

doi:10.1039/C3CC45791E

Charge transfer-assisted self-limited decyanation reaction of TCNQ-type electron acceptors on Cu(100)†

Christian Urban,^a Yang Wang,^bc Jonathan Rodríguez-Fernández,^a Raúl García,^d M. Ángeles Herranz,^d Manuel Alcamí,^c Nazario Martín,^bd Fernando Martín,^bc José M. Gallego,^be Rodolfo Miranda^ab and Roberto Otero*^ab

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^a Dep. de Física de la Materia Condensada, Universidad Autónoma de Madrid, Madrid, Spain
E-mail: roberto.otero@uam.es
Fax: +34 91 497 3961
Tel: +34 91 497 6462

^b Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA-Nano), Madrid, Spain

^c Dep. de Química, Universidad Autónoma de Madrid, Madrid, Spain

^d Dep. de Química Orgámica, Universidad Complutense de Madrid, Madrid, Spain

^e Instituto de Ciencia de Materiales de Madrid (ICMM-CSIC), Madrid, Spain

Abstract

TCNQ derivatives adsorbed on a metal surface undergo a self-limited decyanation reaction that only affects two out of the four cyano groups in the molecule. Combined Scanning Tunneling Microscopy/X-ray Photoelectron Spectroscopy experiments and Density Functional Theory calculations relate the self-limiting behavior to the transfer of electrons from the metal to the molecule.

Chemical Communications

Charge transfer-assisted self-limited decyanation reaction of TCNQ-type electron acceptors on Cu(100)†

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Charge transfer-assisted self-limited decyanation reaction of TCNQ-type electron acceptors on Cu(100)

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