Ballistic thermal transport in black and blue phosphorene nanoribbons and in-plane heterostructures |
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Authors: | Wei Cao Huaping Xiao Tao Ouyang Ziyu Wang Rui Xiong |
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Affiliation: | 1. Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, People''s Republic of China;2. Hunan Key Laboratory for Micro-Nano Energy Materials and Device and Department of Physics, Xiangtan University, Xiangtan 411105, People''s Republic of China |
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Abstract: | The thermal transport properties of black and blue phosphorene nanoribbons and in-plane heterostructures are systematically investigated by non-equilibrium Green's-function method. Both edge shape and width have a sensitive influence on the thermal conductance of pristine black and blue phosphorene nanoribbons and they all exhibit a clear anisotropic thermal performance. Interestingly, the in-plane heterostructures possess a tunable thermal conductance which depends on the percentage of black phosphorene nanoribbons and the way how they are linked. These findings will provide new applications in nanoelectronic and thermoelectric devices based on phosphorene. |
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Keywords: | Black phosphorene Blue phosphorene Thermal transport In-plane heterostructure |
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