Synthesis of CdSe Nanowires and CuInSe2 Nanosheets for Hydrogen Evolution
Xu, Lekai1,2; Chen, Mao1,3; Hou, Ping2; Hou, Xiaofan2; Wang, Jiao1,3; Qi, Qi1,3; Zhu, Yaqiong1,3; Yang, Xin1,3; Liu, Xinkang1,3; Li, Xiaotong1,3; Jia, Guanwei4; Zhang, Shaojun1,3; Du, Jiang1,3
AbstractThe exploitation of two-dimensional (2D) nanomaterials for applications in different fields is desired. Bismuthene (Bi-ene), as a 2D material, holds the promise of being used in photoelectric, electro-catalytic, and spintronic devices with multifunction. Bismuth nano-particles have been successfully utilized in the solution-liquid-solid (SLS) mechanism to obtain one-dimensional nanowires (NWs) over the decades. However, to the best of our knowledge, Bi-ene has never been attempted to be utilized as seeds in the SLS mechanism. Impressively, "Flammulina Velutipes" CdSe NWs and CuInSe2 nanosheets are synthesized for the first time by Bi-ene as seeds. Transmission electron microscopy, high-resolution transmission electron microscopy, scanning electron microscopy, energy-dispersive spectrometry, X-ray diffraction, atomic force microscopy, and high-angle annular dark-field imaging-scanning transmission electron microscopy are employed to characterize synthetic materials. Interestingly, uniform CdSe NWs with an average diameter -8.8 nm are obtained, which self-assembled to form a "Flammulina Velutipes" morphology. Meanwhile, by the similar SLS experiment process, high crystallinity thin CuInSe2 nanosheets with -12.5 nm in thickness and few micrometers in length are pioneeringly obtained through one-step reaction. Furthermore, preliminary HER performance exploration was carried out for this synthesized-CuInSe2 nanosheets, which exhibits a certain hydrogen evolution capacity in 1 M potassium hydroxide solution. The clarification of growth processes paves the way for further study, which provides a general strategy utilizing Bi-ene to synthesize semiconducting nanomaterials in diverse fields and promotes the synthesis of II-VI semiconductors with new morphology and properties in the SLS mechanism.
Keywordbismuthene Flammulina Velutipes CdSe nanowires CuInSe2 nanosheets solution-liquid-solid SLS self-assemble hydrogen evolution
Funding ProjectNational Natural Science Foundation of China[52174387] ; Education Depart-ment of Henan Province[20A430024] ; China Postdoctoral Science Foundation[2021M701096]
WOS Research AreaScience & Technology - Other Topics ; Materials Science
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China ; Education Depart-ment of Henan Province ; China Postdoctoral Science Foundation
WOS IDWOS:000757903200001
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Document Type期刊论文
Corresponding AuthorDu, Jiang
Affiliation1.Zhengzhou Univ, Henan Prov Ind Technol Res Inst Resources & Mat, Zhengzhou 450001, Peoples R China
2.Chinese Acad Sci, State Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
3.Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China
4.Henan Univ, Sch Phys & Elect, Kaifeng 475004, Peoples R China
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Xu, Lekai,Chen, Mao,Hou, Ping,et al. Synthesis of CdSe Nanowires and CuInSe2 Nanosheets for Hydrogen Evolution[J]. ACS APPLIED NANO MATERIALS,2022:9.
APA Xu, Lekai.,Chen, Mao.,Hou, Ping.,Hou, Xiaofan.,Wang, Jiao.,...&Du, Jiang.(2022).Synthesis of CdSe Nanowires and CuInSe2 Nanosheets for Hydrogen Evolution.ACS APPLIED NANO MATERIALS,9.
MLA Xu, Lekai,et al."Synthesis of CdSe Nanowires and CuInSe2 Nanosheets for Hydrogen Evolution".ACS APPLIED NANO MATERIALS (2022):9.
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