Preparation of photostable quantum dot-polystyrene microbeads through covalent organosilane coupling of CdSe@Zns quantum dots

Qiangbin Wang; Dong Seo

doi:10.1007/s10853-008-3138-4

Preparation of photostable quantum dot-polystyrene microbeads through covalent organosilane coupling of CdSe@Zns quantum dots

Qiangbin Wang, Dong Seo

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

We report preparation of highly photoluminescent CdSe@ZnS quantum dot-polystyrene composite beads, by employing stepwisely: (1) a simultaneous ZnS shell formation and ligand exchange with 3-mercaptopropyltrimethoxy silane (MPS); (2) coupling MPS with polymerizable 3-(trimethoxysily)propylmethacrylate (MPM); and (3) polymerization of the resulting MPM-MPS capped CdSe@ZnS quantum dots with styrene molecules. The functionalized quantum dots exhibited robust chemical stability against the harsh radical polymerization condition and the resulting polymer microbeads were strong against photobleaching under an intense and continuous laser.[Figure not available: see fulltext.]

Original language	English (US)
Pages (from-to)	816-820
Number of pages	5
Journal	Journal of Materials Science
Volume	44
Issue number	3
DOIs	https://doi.org/10.1007/s10853-008-3138-4
State	Published - Feb 2009

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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title = "Preparation of photostable quantum dot-polystyrene microbeads through covalent organosilane coupling of CdSe@Zns quantum dots",

abstract = "We report preparation of highly photoluminescent CdSe@ZnS quantum dot-polystyrene composite beads, by employing stepwisely: (1) a simultaneous ZnS shell formation and ligand exchange with 3-mercaptopropyltrimethoxy silane (MPS); (2) coupling MPS with polymerizable 3-(trimethoxysily)propylmethacrylate (MPM); and (3) polymerization of the resulting MPM-MPS capped CdSe@ZnS quantum dots with styrene molecules. The functionalized quantum dots exhibited robust chemical stability against the harsh radical polymerization condition and the resulting polymer microbeads were strong against photobleaching under an intense and continuous laser.[Figure not available: see fulltext.]",

author = "Qiangbin Wang and Dong Seo",

note = "Funding Information: Acknowledgement D.-K.·S. is grateful for financial support from the National Science Foundation through his CAREER Award (DMR Contract No. 0239837) and the Camille and Henry Dreyfus Foundation for his Camille Dreyfus Teacher-Scholar Award. The authors thank Dr. Douglas Daniel for his help in confocal microscopy studies.",

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doi = "10.1007/s10853-008-3138-4",

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T1 - Preparation of photostable quantum dot-polystyrene microbeads through covalent organosilane coupling of CdSe@Zns quantum dots

AU - Wang, Qiangbin

AU - Seo, Dong

N1 - Funding Information: Acknowledgement D.-K.·S. is grateful for financial support from the National Science Foundation through his CAREER Award (DMR Contract No. 0239837) and the Camille and Henry Dreyfus Foundation for his Camille Dreyfus Teacher-Scholar Award. The authors thank Dr. Douglas Daniel for his help in confocal microscopy studies.

PY - 2009/2

Y1 - 2009/2

N2 - We report preparation of highly photoluminescent CdSe@ZnS quantum dot-polystyrene composite beads, by employing stepwisely: (1) a simultaneous ZnS shell formation and ligand exchange with 3-mercaptopropyltrimethoxy silane (MPS); (2) coupling MPS with polymerizable 3-(trimethoxysily)propylmethacrylate (MPM); and (3) polymerization of the resulting MPM-MPS capped CdSe@ZnS quantum dots with styrene molecules. The functionalized quantum dots exhibited robust chemical stability against the harsh radical polymerization condition and the resulting polymer microbeads were strong against photobleaching under an intense and continuous laser.[Figure not available: see fulltext.]

AB - We report preparation of highly photoluminescent CdSe@ZnS quantum dot-polystyrene composite beads, by employing stepwisely: (1) a simultaneous ZnS shell formation and ligand exchange with 3-mercaptopropyltrimethoxy silane (MPS); (2) coupling MPS with polymerizable 3-(trimethoxysily)propylmethacrylate (MPM); and (3) polymerization of the resulting MPM-MPS capped CdSe@ZnS quantum dots with styrene molecules. The functionalized quantum dots exhibited robust chemical stability against the harsh radical polymerization condition and the resulting polymer microbeads were strong against photobleaching under an intense and continuous laser.[Figure not available: see fulltext.]

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Preparation of photostable quantum dot-polystyrene microbeads through covalent organosilane coupling of CdSe@Zns quantum dots

Abstract

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