title: Aqueous synthesis of high bright and tunable near-infrared AgInSe2-ZnSe quantum dots for bioimaging.
abstract: Efficient synthetic methods for near-infrared quantum dots with good biophysical properties as bioimaging agents are urgently required. In this work, a simple and fast synthesis of highly luminescent, near-infrared AgInSe2-ZnSe quantum dots (QDs) with tunable emissions in aqueous media is reported. This method avoids high temperature and pressure and organic solvents to directly generate water-dispersible AgInSe2-ZnSe QDs. The photoluminescence emission peak of the AgInSe2-ZnSe QDs ranged from 625 to 940nm, with quantum yields up to 31%. The AgInSe2-ZnSe QDs with high quantum yield, near-infrared and low cytotoxic could be used as good cell labels, showing great potential applications in bio-imaging.
authors.affiliation: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201602, People's Republic of China.
authors.forename: Dongchen
authors.initials: D
authors.lastname: Che
authors.affiliation: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201602, People's Republic of China.
authors.forename: Xiaoxu
authors.initials: X
authors.lastname: Zhu
authors.affiliation: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201602, People's Republic of China. Electronic address: wanghz@dhu.edu.cn.
authors.forename: Hongzhi
authors.initials: H
authors.lastname: Wang
authors.affiliation: Cancer Institute of Shanghai Jiao Tong University, Shanghai 200032, People's Republic of China.
authors.forename: Yourong
authors.initials: Y
authors.lastname: Duan
authors.affiliation: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201602, People's Republic of China.
authors.forename: Qinghong
authors.initials: Q
authors.lastname: Zhang
authors.affiliation: Engineering Research Center of Advanced Glass Manufacturing Technology, Ministry of Education, Donghua University, Shanghai 201602, People's Republic of China. Electronic address: yaogang_li@dhu.edu.cn.
authors.forename: Yaogang
authors.initials: Y
authors.lastname: Li
mesh_terms: D007204:Indium / Q000737:chemistry*; D007259:Infrared Rays; D008163:Luminescent Measurements; D057054:Molecular Imaging / Q000379:methods*; D010316:Particle Size; D045663:Quantum Dots; D012643:Selenium / Q000737:chemistry*; D018036:Selenium Compounds / Q000737:chemistry*; D012834:Silver / Q000737:chemistry*; D013499:Surface Properties; D014867:Water / Q000737:chemistry; D017967:Zinc Compounds / Q000737:chemistry*
chemical_list: D018036:Selenium Compounds; D017967:Zinc Compounds; D007204:Indium; D014867:Water; D012834:Silver; D012643:Selenium; C044696:zinc selenide
keywords: AgInSe(2)–ZnSe; Bioimaging probe; Luminescence; Quantum dots; Tunable near-infrared emission