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作者:

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

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EI Scopus SCIE

摘要:

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.

关键词:

Quantum dots Quantum confinement Band gap Cu2ZnSnSe4

作者机构:

  • [ 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

通讯作者信息:

  • 汪浩

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

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来源 :

JOURNAL OF NANOPARTICLE RESEARCH

ISSN: 1388-0764

年份: 2013

期: 9

卷: 15

2 . 5 0 0

JCR@2022

ESI学科: MATERIALS SCIENCE;

JCR分区:1

中科院分区:2

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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