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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14298

Title: Graphene Oxide-Polythiophene Hybrid with Broad-Band Absorption and Photocatalytic Properties
Authors: Wang, Shuai
Nai, Chang Tai
Jiang, Xiao-Fang
Pan, Yuanhang
Tan, Choon-Hong
NESLADEK, Milos
Xu, Qing-Hua
Loh, Kian Ping
Issue Date: 2012
Publisher: AMER CHEMICAL SOC
Citation: JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 3 (17), p. 2332-2336
Abstract: Hybrid graphene oxide (GO)/poly(3-hexylthiophene-2,5-diyl) (P3HT) sheets are assembled via pi-pi interaction and carefully isolated from the nonreacted precursors. The mutual influence of the two phases can be sharply manifested in this layer-to-layer configuration because it is undiluted by excess of one phase. To investigate the optical properties of the hybrid and possible synergistic interactions, we applied photothermal deflection spectroscopy (PDS) and pump-probe techniques. For the first time, the photocatalytic performance of these hybrids was investigated to correlate with their optical properties. The GO-P3HT hybrid demonstrates broad-band absorption and ultrafast charge transfer (1.4 ps) and acts as an excellent photocatalyst for the Mannich reaction (93% yield).
Notes: Loh, KP (reprint author),[Wang, Shuai; Nai, Chang Tai; Jiang, Xiao-Fang; Pan, Yuanhang; Xu, Qing-Hua; Loh, Kian Ping] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore. [Nai, Chang Tai] Natl Univ Singapore, NUS Grad Sch Integrat Sci & Engn, Ctr Life Sci 0501, Singapore 117456, Singapore. [Tan, Choon-Hong] Nanyang Technol Univ, Div Chem & Biol Chem, Sch Phys & Math Sci, Singapore 637371, Singapore. [Nesladek, Milos] Hasselt Univ, Inst Mat Res, IMEC IMOMEC, B-3590 Diepenbeek, Belgium. [Loh, Kian Ping] UNIST, Interdisciplinary Sch Green Energy, Ulsan 689798, South Korea. chmlokp@nus.edu.sg
URI: http://hdl.handle.net/1942/14298
DOI: 10.1021/jz300930u
ISI #: 000308342500005
ISSN: 1948-7185
Category: A1
Type: Journal Contribution
Validation: ecoom, 2013
Appears in Collections: Research publications

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