Recent Advances in Quantum Dot Surface Chemistry

Quantum dot (QD) surface chemistry is an emerging field in semiconductor nanocrystal related research. Along with size manipulation, the careful control of QD surface chemistry allows modulation of the optical properties of a QD suspension. Even a single molecule bound to the surface can introduce n...

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Bibliographic Details
Published inACS applied materials & interfaces Vol. 6; no. 5; pp. 3041 - 3057
Main Authors Hines, Douglas A, Kamat, Prashant V
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 12.03.2014
Subjects
Biosensing Techniques - instrumentation
Biosensing Techniques - methods
Nanotechnology - instrumentation
Nanotechnology - trends
Quantum Dots - chemistry
quantum dots
surface chemistry
electron transfer
trap state
hole transfer
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Summary:Quantum dot (QD) surface chemistry is an emerging field in semiconductor nanocrystal related research. Along with size manipulation, the careful control of QD surface chemistry allows modulation of the optical properties of a QD suspension. Even a single molecule bound to the surface can introduce new functionalities. Herein, we summarize the recent advances in QD surface chemistry and the resulting effects on optical and electronic properties. Specifically, this review addresses three main issues: (i) how surface chemistry affects the optical properties of QDs, (ii) how it influences the excited state dynamics, and (iii) how one can manipulate surface chemistry to control the interactions between QDs and metal oxides, metal nanoparticles, and in self-assembled QD monolayers.
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ISSN:1944-8244
1944-8252
DOI:10.1021/am405196u