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	Author	Pandiyarajan, T.; Mangalaraja, R.V.; Karthikeyan, B.; Arulraj, A.; Gracia-Pinilla, M.A.
	Title	Fabrication and spectroscopic investigation of sandwich-like ZnO:rGO:ZnO: rGO:ZnO structure by layer-by-layer approach			Type
	Year	2023	Publication	Inorganic Chemistry Communications	Abbreviated Journal	Inorg. Chem. Commun.
	Volume	149	Issue		Pages	110383
	Keywords	Layer-by-layer; Reduced graphene oxide; ZnO; Spin coating; Transmission; Photoluminescence
	Abstract	Transparent conducting materials (TCMs) are the heart of modern optoelectronic industries and the properties of TCMs could be improved by the introduction of 2D carbon materials. In this report, the influence of order layering on microstructural, transparency and emission characteristics of ZnO:rGO:ZnO:rGO:ZnO and rGO:ZnO: rGO:ZnO:rGO sandwich structures has been investigated. The layer-by-layer approach has been adopted for the fabrication of sandwich structured materials ZnO:rGO:ZnO:rGO:ZnO and rGO:ZnO:rGO:ZnO:rGO through the spin coating technique. The sandwich structures of ZnO and rGO exhibited hexagonal wurtzite structure of ZnO without any impurities were identified through XRD. The ordering of layer's influenced the microstructural parameters and were significantly altered. The spherical nature of the particles and the formation of the sand-wich structures were confirmed by using SEM micrograph. The reduction in an optical transparency and nar-rowing bandgap of the ZnO upon the order of layering were identified through transmission spectra. The lower energy shift of near band edge (NBE) emission and reduction in the emission intensity with respect to pure ZnO nanostructures was observed. The present work provides a simple layer-by-layer approach to fabricating sand-wich structures and improving the optical properties which have potential applications in various optoelectronic devices.
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	ISSN	1387-7003	ISBN		Medium
	Area		Expedition		Conference
	Notes	WOS:000915788900001			Approved
	Call Number	UAI @ alexi.delcanto @			Serial	1723
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