Binary transition metal sulfides hierarchical multi-shelled hollow nanospheres with enhanced energy storage performance (향상된 에너지 저장 능력을 가진 이중 전이금속 황화물 계층적 중공 구조의 나노구)

Young Hun Lee (이영훈); Hyung Wook Choi (최형욱); Min Seob Kim (김민섭); Dong In Jeong (정동인); Sintayehu Nibret Tiruneh; Bong Kyun Kang (강봉균); YOON, DAEHO (윤대호)

doi:10.6111/JKCGCT.2018.28.3.112

Binary transition metal sulfides hierarchical multi-shelled hollow nanospheres with enhanced energy storage performance

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2018, 28(3), pp.112-117
DOI : 10.6111/JKCGCT.2018.28.3.112
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : April 10, 2018
Accepted : May 9, 2018
Published : June 30, 2018

Young Hun Lee ¹, Hyung Wook Choi ², Min Seob Kim ¹, Dong In Jeong ³, Sintayehu Nibret Tiruneh ³, Bong Kyun Kang ⁴, YOON, DAEHO ³

¹성균관대학교(자연과학캠퍼스)
²성균관대학교(자연과학캠퍼스) 성균나노과학기술원
³성균관대학교
⁴전자부품연구원

Accredited

ABSTRACT

The metal alkoxide, CuCo-glycerate nanospheres (NSs), were successfully synthesized as Cu-Co bimetallic sulfides hierarchical multi-shelled hollow nanospheres (CuCo2S4 HMHNSs) through solvothermal synthesis. In this reaction mechanism, the solvothermal temperature and the amount of glycerol as a cosurfactant play significant role to optimize the morphology of CuCo-glycerate NSs. Furthermore, CuCo2S4 HMHNSs were obtained under optimized sulfurization reaction time of 10 h via anion exchange reaction between glycerate and sulfur ions. Finally, the structural and chemical compositions of CuCoglycerate NSs and CuCo2S4 HMHNSs were confirmed through field emission scanning electron microscopy (FESEM), transmission electron microscope (TEM), X-ray diffraction (XRD) and electrochemical performances.

KEYWORDS

Binary transition metal sulfides, Hierarchical multi-shelled hollow structure, Anion exchange reaction

Citation status

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Binary transition metal sulfides hierarchical multi-shelled hollow nanospheres with enhanced energy storage performance

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* References for papers published after 2023 are currently being built.

Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Binary transition metal sulfides hierarchical multi-shelled hollow nanospheres with enhanced energy storage performance

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