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http://hdl.handle.net/1942/17740
Title: | Diamond functionalization with light-harvesting molecular wires: improved surface coverage by optimized Suzuki cross-coupling conditions | Authors: | YEAP, Weng Siang BEVK, David Liu, X. Krysova, H. Pasquarelli, A. VANDERZANDE, Dirk LUTSEN, Laurence Kavan, L. Fahlman, M. MAES, Wouter HAENEN, Ken |
Issue Date: | 2014 | Publisher: | ROYAL SOC CHEMISTRY | Source: | RSC ADVANCES, 4 (79), p. 42044-42053 | Abstract: | Donor-acceptor type light-harvesting molecular wires are covalently attached to a boron-doped diamond surface via a combination of diazonium electrografting and Suzuki cross-coupling. For the Suzuki reaction, various catalytic systems are compared with respect to their imposed surface coverage. Combining 2-dicyclohexylphosphino-2',6'-dimethoxybiphenyl (SPhos) and Pd(0), the diamond coverage improves considerably (by 98%) as compared to the standard tetrakis(triphenylphosphine)palladium(0) (Pd(PPh3)(4)) catalyst. As the energy levels between the molecular chromophores and the diamond film align well, the sophisticated functionalized diamond surfaces present a first step towards the development of fully carbon-based devices for light to electricity conversion. | Notes: | [Yeap, W. S.; Bevk, D.; Vanderzande, D.; Lutsen, L.; Maes, W.; Haenen, K.] Hasselt Univ, IMO, B-3590 Diepenbeek, Belgium. [Bevk, D.; Vanderzande, D.; Lutsen, L.; Maes, W.; Haenen, K.] IMEC VZW, IMOMEC, B-3590 Diepenbeek, Belgium. [Liu, X.; Fahlman, M.] Linkoping Univ, Dept Phys Chem & Biol, S-58183 Linkoping, Sweden. [Krysova, H.; Kavan, L.] Acad Sci Czech Republic, J Heyrovsk Inst Phys Chem, Vvi, CZ-18223 Prague 8, Czech Republic. [Pasquarelli, A.] Univ Ulm, Inst Electron Devices & Circuits, D-89069 Ulm, Germany. | Keywords: | Chemistry, Multidisciplinary | Document URI: | http://hdl.handle.net/1942/17740 | e-ISSN: | 2046-2069 | DOI: | 10.1039/c4ra04740k | ISI #: | 000342161600047 | Rights: | This journal is © The Royal Society of Chemistry 2014. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2015 |
Appears in Collections: | Research publications |
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