Green Synthesis and Morphological Evolution for Bi

Fang Zhou, Weichang Zhou, Yujing Zhao, Li Liu

Abstract read

In one paragraph

Article in Nanomaterials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

4 authors.

Fang ZhouDepartment of Criminal Science and Technology, Department of Foundation Course, Hunan Police College, Changsha 410138, China.

Weichang ZhouSchool of Physics and Electronics, Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Matter Microstructure and Function of Hunan Province and Institute of Interdisciplinary Studies, Hunan Normal University, Changsha 410081, China.

Yujing ZhaoSchool of Physics and Electronics, Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, Key Laboratory for Matter Microstructure and Function of Hunan Province and Institute of Interdisciplinary Studies, Hunan Normal University, Changsha 410081, China.

Li LiuSchool of Mathematics, Computer Science and Engineering, University of London, London EC1V 0HB, UK.

Funding

the High-level-talent Initiation Research Fund of Hunan Police Academy (Grant No. 2021KYQD16)the National Natural Science Foundation of China (Grant No. 22175062, 21671064)the Natural Science Foundation of Hunan Province of China (Grant No. 2020JJ5446, 2021JJ30232)the Open Project Funding of Key Laboratory of Low Dimensional Quantum Structures and Quantum Control Grant No. QSQC2205the Scientific Research Fund of Hunan Provincial Education Department (Grant No.19B448, 19B183, 20C0754, 16B048)

6 · The paper itself

Abstract

Bi2Te3 has been extensively used because of its excellent thermoelectric properties at room temperature. Here, 230-420 nm of Bi2Te3 hexagonal nanosheets has been successfully synthesized via a "green" method by using ethylene glycol solution and applying polyvinyl pyrrolidone (PVP) as a surfactant. In addition, factors influencing morphological evolution are discussed in detail in this study. Among these parameters, the reaction temperature, molar mass of NaOH, different surfactants, and reaction duration are considered as the most essential. The results show that the existence of PVP is vital to the formation of a plate-like morphology. The reaction temperature and alkaline surroundings played essential roles in the formation of Bi2Te3 single crystals. By spark plasma sintering, the Bi2Te3 hexagonal nanosheets were hot pressed into solid-state samples. We also studied the transport properties of solid-state samples. The electrical conductivity σ was 18.5 × 103 Sm-1 to 28.69 × 103 Sm-1, and the Seebeck coefficient

Indexed as

Bi2Te3 hexagon nanosheet structurePVP-assisted hydrothermal methodtwo-dimensional nanomaterial

Identifiers

PMID37947738

DOI10.3390/nano13212894

PMCPMC10648214

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