Nanohybrids with tunable band gap and low electron effective mass: Graphenes doped by multiple boron nitrogen domains

Wang, Wenxin; Yang, Xiaoning

doi:10.1016/j.apsusc.2022.154182

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2024

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Cited by 3 publications

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Graded h-BNC for nanoscale antifouling

Ying,

Leng,

Chen

et al. 2024

Applied Surface Science

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Graded h-BNC for nanoscale antifouling

Ying,

Leng,

Chen

et al. 2024

Applied Surface Science

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Optical and electronic properties of BCN films deposited by magnetron sputtering

Liu,

Chen,

Yin

2024

The Journal of Chemical Physics

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Boron carbonitride (BCN) films containing hybridized bonds involving B, C, and N over wide compositional ranges enable an abundant variety of new materials, properties, and applications; however, their electronic performance is still limited by the presence of structural and electronic defects, yielding sluggish mobility and electrical conductivity. This work reports on mechanically stable BCN films and their corresponding optical and electronic properties. The ternary BCN films consisting of hybridized B–C–N bonds have been achieved by varying N2 flow by the radio frequency magnetron sputtering method. The BCN films show a bandgap value ranging from 3.32 to 3.82 eV. Hall effect measurements reveal an n-type conductivity with an improved hall mobility of 226 cm2/V s at room temperature for the optimal film. The n-BCN/p-Si heterojunctions exhibit a nonlinear rectifying characteristic, where the tunneling behavior dominates the injection regimes due to the density of defects, i.e., structural disorder and impurities. Our work demonstrates the tunable electrical properties of BCN/Si p–n diodes and, thus, is beneficial for the potential application in the fields of optics, optoelectronics, and electrics.

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