Selective surface functionalization at regions of high local curvature in graphene
Chemical Communications2012Vol. 49(7), pp. 677–679
Citations Over TimeTop 10% of 2012 papers
Qingzhi Wu, Yaping Wu, Yufeng Hao, Jianxin Geng, Matthew Charlton, Shanshan Chen, Yujie Ren, Hengxing Ji, Huifeng Li, Danil W. Boukhvalov, Richard D. Piner, Christopher W. Bielawski, Rodney S. Ruoff
Abstract
Monolayer graphene was deposited on a Si wafer substrate decorated with SiO(2) nanoparticles (NPs) and then exposed to aryl radicals that were generated in situ from their diazonium precursors. Using micro-Raman mapping, the aryl radicals were found to selectively react with the regions of graphene that covered the NPs. The enhanced chemical reactivity was attributed to the increased strain energy induced by the local mechanical deformation of the graphene.
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