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1D-2D Hybrids as Efficient Optoelectronic Material: A Study on Graphitic Carbon Nitride Nanosheets Wrapped Zinc Oxide Rods

Abstract

Zinc Oxide (ZnO) nanorods (NRs) wrapped with Graphitic carbon nitride (GCN) nanosheet (NS) hybrids have been synthesized by simple chemical process. The as-prepared samples were characterized by X-ray diffraction, Field emission scanning electron microscopy and High resolution transmission electron microscopy, Fourier transformed infrared spectroscopy, UV-Vis spectroscopy and Photoluminescene Spectroscopy. Image obtained from transmission electron microscopic study and the C-N stretching obtained from Fourier transform infrared spectroscopy confirms the successful attachment of GCN NS onto the ZnO NRs. It is seen that hybrid samples show broad photoluminescene (PL) emission features with enhanced defect related emission along with quenching effect due to the charge transfer mechanism. The results have been explained with the help of three different types of electron transition taking place within the type-II band structure of the hybrid samples. Also a study for conductivity of the samples is carried out in dark conditions and under ultraviolet (UV) light irradiation. It is observed that the hybrid samples show significantly improved conductivity under both dark and UV irradiated conditions. The absorbance of the samples being in the UV range shows more conductivity under UV compared to dark conditions.

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Publication details

The article was received on 02 Jan 2018, accepted on 25 Jan 2018 and first published on 26 Jan 2018


Article type: Paper
DOI: 10.1039/C8DT00016F
Citation: Dalton Trans., 2018, Accepted Manuscript
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    1D-2D Hybrids as Efficient Optoelectronic Material: A Study on Graphitic Carbon Nitride Nanosheets Wrapped Zinc Oxide Rods

    K. K. Chattopadhyay, A. Sett, D. Das, D. Banerjee, U. K. Ghorai, N. S. Das and B. Das, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT00016F

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