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. 2015 Feb 18;2(3):1400025. doi: 10.1002/advs.201400025

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© 2015 The Authors. Published by WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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a) TEM image of MWCNTs/graphene composite and b) J–V curves of DSSCs based on acid functionalized‐MWCNTs (electrode 1), MWCNTs/graphene composite (electrode 2), graphene (electrode 3) and TiO₂‐only (electrode 4) photoelectrodes.136 Reproduced with permission.136 Copyright 2011, Elsevier.