Boron-Doped Reduced Graphene Oxide with Tunable Bandgap and Enhanced Surface Plasmon Resonance

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2020 Aug 16

PMID 32796504

Citations 11

Authors

Muhammad Junaid

M H Md Khir

Gunawan Witjaksono

Nelson Tansu

Mohamed Shuaib Mohamed Saheed

Pradeep Kumar

Zaka Ullah

Asfand Yar

Fahad Usman

Affiliations

Soon will be listed here.

Abstract

Graphene and its hybrids are being employed as potential materials in light-sensing devices due to their high optical and electronic properties. However, the absence of a bandgap in graphene limits the realization of devices with high performance. In this work, a boron-doped reduced graphene oxide (B-rGO) is proposed to overcome the above problems. Boron doping enhances the conductivity of graphene oxide and creates several defect sites during the reduction process, which can play a vital role in achieving high-sensing performance of light-sensing devices. Initially, the B-rGO is synthesized using a modified microwave-assisted hydrothermal method and later analyzed using standard FESEM, FTIR, XPS, Raman, and XRD techniques. The content of boron in doped rGO was found to be 6.51 at.%. The B-rGO showed a tunable optical bandgap from 2.91 to 3.05 eV in the visible spectrum with an electrical conductivity of 0.816 S/cm. The optical constants obtained from UV-Vis absorption spectra suggested an enhanced surface plasmon resonance (SPR) response for B-rGO in the theoretical study, which was further verified by experimental investigations. The B-rGO with tunable bandgap and enhanced SPR could open up the solution for future high-performance optoelectronic and sensing applications.

Citing Articles

Selective NO Gas Sensors Employing Nitrogen- and Boron-Doped and Codoped Reduced Graphene Oxide.

Walleni C, Malik S, Missaoui G, Alouani M, Nsib M, Llobet E ACS Omega. 2024; 9(11):13028-13040.

PMID: 38524411 PMC: 10956123. DOI: 10.1021/acsomega.3c09460.

Investigation of boron-doped graphene oxide anchored with copper sulphide flowers as visible light active photocatalyst for methylene blue degradation.

Farhan A, Zahid M, Tahir N, Mansha A, Yaseen M, Mustafa G Sci Rep. 2023; 13(1):9497.

PMID: 37308524 PMC: 10261073. DOI: 10.1038/s41598-023-36486-6.

Synthesis of Boron-Doped Carbon Nanomaterial.

Chesnokov V, Prosvirin I, Gerasimov E, Chichkan A Materials (Basel). 2023; 16(5).

PMID: 36903101 PMC: 10004671. DOI: 10.3390/ma16051986.

One-Step Solvothermal Synthesis by Ethylene Glycol to Produce N-rGO for Supercapacitor Applications.

Rahman M, Bin Mohd Nor N, Sawaran Singh N, Sikiru S, Dennis J, Shukur M Nanomaterials (Basel). 2023; 13(4).

PMID: 36839033 PMC: 9960698. DOI: 10.3390/nano13040666.

Synthesis and characterisation of heteroatom-doped reduced graphene oxide/bismuth oxide nanocomposites and their application as photoanodes in DSSCs.

Ngidi N, Muchuweni E, Nyamori V RSC Adv. 2022; 12(4):2462-2472.

PMID: 35425250 PMC: 8979187. DOI: 10.1039/d1ra08888b.

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