Enhanced thermoelectric performance of a wide-bandgap twisted heterostructure of graphene and boron nitride

Kumar, Naveen; Bera, Chandan

doi:10.1039/d4nr00095a

Nanoscale

2024

DOI: 10.1039/d4nr00095a

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Enhanced thermoelectric performance of a wide-bandgap twisted heterostructure of graphene and boron nitride

Naveen Kumar,

Chandan Bera

Abstract: The manipulation of the relative twist angle between consecutive layers in two-dimensional (2D) materials dramatically modulates their electronic characteristics. Twisted bilayer graphene (tblg) and twisted boron nitride (tBN) exhibit Moiré...

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Cited by 2 publications

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Advanced synthesis and influencing mechanisms of distinctive electrical performance for twisted graphene systems: A layer-oriented review

Song,

Li,

Liu

et al. 2025

Diamond and Related Materials

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Advanced synthesis and influencing mechanisms of distinctive electrical performance for twisted graphene systems: A layer-oriented review

Song,

Li,

Liu

et al. 2025

Diamond and Related Materials

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Novel BN-COOH@ZrO₂/GO Composite for Enhanced Electrical Conductivity and Electrochemical Detection of Diclofenac

Kumar,

Singh,

Tiwari

et al. 2024

ACS Omega

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The ZrO 2 -embedded carboxy-functionalized h-BN composite, combined with graphene oxide (GO), formed a novel BN-COOH@ZrO 2 /GO composite. Structural characterization through IR, Raman spectroscopy, powder X-ray diffraction, and X-ray photoelectron spectroscopy supported the successful preparation of the composite, while scanning electron microscopy and transmission electron microscopy revealed its surface morphology and the presence of component materials. UV−vis spectroscopy (solid state) further supported these findings. Thermogravimetric analysis demonstrated enhanced thermal stability of the composite compared to GO. Electrical conductivity analysis showed that functionalization alone did not impart significant conductivity to insulating BN. However, integration with GO significantly enhanced conductivity. BN-COOH@ZrO 2 /GO exhibits electrochemical sensor activity for diclofenac sodium (DS) detection, achieving a low (limit of detection = 0.0146 μM) and high sensitivity (0.2464 μA μM −1 cm −2 ). The sensor showed high selectivity, reproducibility, and stability, effectively detecting DS in real samples with recovery rates ranging from 97.69% to 107.21%. This novel composite highlights its potential as an efficient material with enhanced thermal stability and electrical conductivity for detecting DS through cyclic voltammetry.

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Enhanced thermoelectric performance of a wide-bandgap twisted heterostructure of graphene and boron nitride

Abstract: The manipulation of the relative twist angle between consecutive layers in two-dimensional (2D) materials dramatically modulates their electronic characteristics. Twisted bilayer graphene (tblg) and twisted boron nitride (tBN) exhibit Moiré...

Cited by 2 publications

References 56 publications

Advanced synthesis and influencing mechanisms of distinctive electrical performance for twisted graphene systems: A layer-oriented review

Advanced synthesis and influencing mechanisms of distinctive electrical performance for twisted graphene systems: A layer-oriented review

Novel BN-COOH@ZrO₂/GO Composite for Enhanced Electrical Conductivity and Electrochemical Detection of Diclofenac

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Enhanced thermoelectric performance of a wide-bandgap twisted heterostructure of graphene and boron nitride

Abstract: The manipulation of the relative twist angle between consecutive layers in two-dimensional (2D) materials dramatically modulates their electronic characteristics. Twisted bilayer graphene (tblg) and twisted boron nitride (tBN) exhibit Moiré...

Cited by 2 publications

References 56 publications

Advanced synthesis and influencing mechanisms of distinctive electrical performance for twisted graphene systems: A layer-oriented review

Advanced synthesis and influencing mechanisms of distinctive electrical performance for twisted graphene systems: A layer-oriented review

Novel BN-COOH@ZrO2/GO Composite for Enhanced Electrical Conductivity and Electrochemical Detection of Diclofenac

Contact Info

Product

Resources

About

Novel BN-COOH@ZrO₂/GO Composite for Enhanced Electrical Conductivity and Electrochemical Detection of Diclofenac