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Vertical graphene nanosheets (VGNs) are the material of choice fornext-generation electronic device applications. The growing demand for flexibledevices in electronic industry brings in restriction on growth temperature ofthe material of interest. However, VGNs with better structural quality isusually achieved at high growth temperatures. The difficulty associated withthe direct growth on flexible substrates can overcome by adopting an effectivestrategy of transferring the well grown VGNs onto arbitrary flexible substratesthrough soft chemistry route. Hence, we demonstrated a simple, inexpensive andscalable technique for the transfer of VGNs onto arbitrary substrates withoutdisrupting its morphology and structural properties. After transfer, themorphology, chemical structure and electronic properties are analyzed byscanning electron microscopy, Raman spectroscopy and four probe resistivemethods, respectively. Associated characterization investigation indicates theretention of morphological, structural and electrical properties of transferredVGNs compared to as-grown one. Furthermore the storage capacity of the VGNstransferred onto flexible substrates is also examined. A very lower sheetresistance of 0.67 kOhm/sq. and excellent supercapacitance of 158micro-Farrad/cm2 with 91.4% retention after 2000 cycles confirms the greatprospective of this damage-free transfer approach of VGNs for flexiblenanoelectronic device applications

Transfer of Vertical Graphene Nanosheets onto Flexible Substrates towards Supercapacitor Application