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Author:

Zong, Kai (Zong, Kai.) | Lu, SiHeng (Lu, SiHeng.) | Wang, Hao (Wang, Hao.) (Scholars:汪浩) | Sun, YuXiu (Sun, YuXiu.) | Liu, JingBing (Liu, JingBing.) | Yan, Hui (Yan, Hui.)

Indexed by:

EI Scopus SCIE

Abstract:

Cu2ZnSnSe4 quantum dots (QDs) with controllable sizes have been synthesized via a hot-injection method. The diameters of the QDs range from 3.2 to 10.1 nm with the tunable band gap from 1.27 to 1.54 eV by adjusting the reaction temperatures from 180 to 240 degrees C. Structural and Raman scattering data confirm that Cu2ZnSnSe4 is obtained without other secondary phases. The band gaps of the QDs with diameters less than 4.6 nm show an obvious blue shift to higher energy due to quantum confinement effect. It indicates that the Cu2ZnSnSe4 QDs can be a potential candidate for quantum-dot-sensitized solar cells in the future.

Keyword:

Quantum dots Quantum confinement Band gap Cu2ZnSnSe4

Author Community:

  • [ 1 ] [Zong, Kai]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Lu, SiHeng]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Hao]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Sun, YuXiu]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Liu, JingBing]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Yan, Hui]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Wang, Hao]Chengdu Green Energy & Green Mfg Technol R&D Ctr, Chengdu 610207, Peoples R China
  • [ 8 ] [Yan, Hui]Chengdu Green Energy & Green Mfg Technol R&D Ctr, Chengdu 610207, Peoples R China
  • [ 9 ] [Sun, YuXiu]Tianjin Normal Univ, Coll Chem, Tianjin Key Lab Struct & Performance Funct Mol, Tianjin 300387, Peoples R China

Reprint Author's Address:

  • 汪浩

    [Wang, Hao]Chengdu Green Energy & Green Mfg Technol R&D Ctr, Chengdu 610207, Peoples R China

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Source :

JOURNAL OF NANOPARTICLE RESEARCH

ISSN: 1388-0764

Year: 2013

Issue: 9

Volume: 15

2 . 5 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 4

SCOPUS Cited Count: 4

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 8

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