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Controlled Synthesis of Large-Area and Patterned Electrochemically Reduced Graphene Oxide Films

✍ Scribed by Ming Zhou; Yuling Wang; Yueming Zhai; Junfeng Zhai; Wen Ren; Fuan Wang; Shaojun Dong

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 398 KB
Volume: 15
Category: Article
ISSN: 0947-6539
DOI: 10.1002/chem.200900596

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✦ Synopsis

Abstract

Have you seen the film? Coupling a spray‐coating technique with a facile, low‐cost, efficient and environmentally friendly electrochemical method may realize the controllable synthesis of large‐area and patterned electrochemically reduced graphene oxide films on various conductive and insulating substrates with thicknesses ranging from a single monolayer to several microns (see figure).magnified image

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## Abstract A simple method to prepare large‐scale graphene sponges and free‐standing graphene films using a speed vacuum concentrator is presented. During the centrifugal evaporation process, the graphene oxide (GO) sheets in the aqueous suspension are assembled to generate network‐linked GO spong