Enhanced field emission properties of rGO wrapped Ga2O3 micro/nanobricks: Experimental investigation with theoretical validation

Brahami Das,Biswajit Das,Nirmayla Sankar Das,Suvra Pal,Bikram Kumar Das,Ratna Sarkar,Rimpa Khan,Subrata Sarkar,Kalyan Kumar Chattopadhyay

Journal of Alloys and Compounds（2022）

Cited 1|Views15

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Abstract

•Synthesis of Ga2O3/rGO composite in quasi-in situ process.•Structurally favored rGO wrapping in sharp corners of Ga2O3 nanostructures.•First ever study of field emission from Ga2O3 in graphene-based composite system.•Validation of carrier exchange mechanism by density functional theory.•Prediction of enhanced cold emission by rGO wrap using ANSYS.

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Key words

Ga2O3/rGO composite,Electron transport,Field emission mechanism,Work function,Enhancement factor,DFT

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