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Takeshi Matsui, Mohammad Razaul Karim, Hiroshi Takehira, Masaaki Nakamura, Ryo Ohtani, Michio Koinuma, Shinya Hayami, Photocurrent Generation of Graphene Oxide Hybrid with Ru(II) Complex, Chemistry Letters, Volume 45, Issue 3, March 2016, Pages 365–367, https://doi.org/10.1246/cl.151123
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Abstract
A graphene oxide (GO) and ruthenium(II) complex with bromine-substituted terpyridine ligand, [Ru(Br-terpy)2]Cl2 (Br-terpy: 4′-bromo-2,2′:6′,2′′-terpyridine), reacts to form a GO–[Ru(Br-terpy)2]2+ hybrid, which after photoreduction turns to the reduced graphene oxide (rGO)-based hybrid rGO–[Ru(Br-terpy)2]2+. The hybrids were characterized by UV, IR, and XPS spectra. rGO–[Ru(Br-terpy)2]2+ exhibits excellent photocurrent generation through the cathodic photoreduction process. This observation indicates the possibility of designing an rGO-based energy generating material.