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3. High Yield Synthesis of Violet Phosphorus Crystals

Author

Zhang, Lihui, primary, Gu, Mengyue, additional, Li, Longren, additional, Zhao, Xuewen, additional, Fu, Chengcheng, additional, Liu, Ting, additional, Xu, Xuequan, additional, Cheng, Yonghong, additional, and Zhang, Jinying, additional

Published
2020
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6. Structure and Properties of Violet Phosphorus and Its Phosphorene Exfoliation.

Author

Zhang, Lihui, Huang, Hongyang, Zhang, Bo, Gu, Mengyue, Zhao, Dan, Zhao, Xuewen, Li, Longren, Zhou, Jun, Wu, Kai, Cheng, Yonghong, and Zhang, Jinying

Subjects
PHOSPHORENE, PHOSPHORUS, CRYSTAL lattices, SEMICONDUCTORS, GENTIAN violet
Abstract

Black phosphorene has attracted much attention as a semiconducting two‐dimensional material. Violet phosphorus is another layered semiconducting phosphorus allotrope with unique electronic and optoelectronic properties. However, no confirmed violet crystals or reliable lattice structure of violet phosphorus had been obtained. Now, violet phosphorus single crystals were produced and the lattice structure has been obtained by single‐crystal x‐ray diffraction to be monoclinic with space group of P2/n (13) (a=9.210, b=9.128, c=21.893 Å, β=97.776°). The lattice structure obtained was confirmed to be reliable and stable. The optical band gap of violet phosphorus is around 1.7 eV, which is slightly larger than the calculated value. The thermal decomposition temperature was 52 °C higher than its black phosphorus counterpart, which was assumed to be the most stable form. Violet phosphorene was easily obtained by both mechanical and solution exfoliation under ambient conditions. [ABSTRACT FROM AUTHOR]

Published
2020
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7. Structure and Properties of Violet Phosphorus and Its Phosphorene Exfoliation.

Author

Zhang L, Huang H, Zhang B, Gu M, Zhao D, Zhao X, Li L, Zhou J, Wu K, Cheng Y, and Zhang J

Abstract

Black phosphorene has attracted much attention as a semiconducting two-dimensional material. Violet phosphorus is another layered semiconducting phosphorus allotrope with unique electronic and optoelectronic properties. However, no confirmed violet crystals or reliable lattice structure of violet phosphorus had been obtained. Now, violet phosphorus single crystals were produced and the lattice structure has been obtained by single-crystal x-ray diffraction to be monoclinic with space group of P2/n (13) (a=9.210, b=9.128, c=21.893 Å, β=97.776°). The lattice structure obtained was confirmed to be reliable and stable. The optical band gap of violet phosphorus is around 1.7 eV, which is slightly larger than the calculated value. The thermal decomposition temperature was 52 °C higher than its black phosphorus counterpart, which was assumed to be the most stable form. Violet phosphorene was easily obtained by both mechanical and solution exfoliation under ambient conditions., (© 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.)

Published
2020
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