Formation of ZnSe/Bi2Se3 QDs by surface cation exchange and high photothermal conversion | Zendy

Guozhi Jia | Zendy; Peng Wang | Zendy; Zengna Wu | Zendy; Qiang Li | Zendy; Yanbang Zhang | Zendy; Jianghong Yao | Zendy; Kai Chang | Zendy

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Formation of ZnSe/Bi2Se3 QDs by surface cation exchange and high photothermal conversion

Author(s) -

Guozhi Jia,

Peng Wang,

Zengna Wu,

Qiang Li,

Yanbang Zhang,

Jianghong Yao,

Kai Chang

Publication year - 2015

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4929802

Subject(s) - quantum dot , photothermal therapy , ion exchange , materials science , ion , layer (electronics) , chemical engineering , inorganic chemistry , chemistry , nanotechnology , organic chemistry , engineering

Water-dispersed core/shell structure ZnSe/Bi2Se3 quantum dots were synthesized by ultrasonicwave-assisted cation exchange reaction. Only surface Zn ion can be replaced by Bi ion in ZnSe quantum dots, which lead to the ultrathin Bi2Se3 shell layer formed. It is significance to find to change the crystal of QDs due to the acting of ultrasonicwave. Cation exchange mechanism and excellent photothermal conversion properties are discussed in detail

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