Cucurbituril-mediated quantum dot aggregates formed by aqueous self-assembly for sensing applications

William J. Peveler; Hui Jia; Tiffany Jeen; Kelly Rees; Thomas J. Macdonald; Zhicheng Xia; Weng-I Katherine Chio; Suresh Moorthy; Ivan P. Parkin; Claire J. Carmalt; W. Russ Algar; Tung-Chun Lee

doi:10.1039/C9CC00410F

Cucurbituril-mediated quantum dot aggregates formed by aqueous self-assembly for sensing applications†

William J. Peveler,

*^ab Hui Jia,^c Tiffany Jeen,^b Kelly Rees,^b Thomas J. Macdonald,

^d Zhicheng Xia,^b Weng-I Katherine Chio,

^cde Suresh Moorthy,^c Ivan P. Parkin,

^d Claire J. Carmalt,

^d W. Russ Algar

^b and Tung-Chun Lee

*^cd

Author affiliations

* Corresponding authors

^a Division of Biomedical Engineering, School of Engineering, University of Glasgow, Glasgow, UK
E-mail: william.peveler@glasgow.ac.uk

^b Department of Chemistry, 2036 Main Mall, University of British Columbia, Vancouver, BC, Canada

^c Institute for Materials Discovery, University College London (UCL), UK
E-mail: tungchun.lee@ucl.ac.uk

^d Department of Chemistry, University College London (UCL), 20 Gordon Street, London, UK

^e Singapore Bioimaging Consortium (SBIC), Agency for Science Technology and Research (A*STAR), Singapore

Abstract

Self-assembled nanoparticles have important applications in energy systems, optical devices and sensors, via the formation of aggregates with controlled interparticle spacing. Here we report aqueous self-assembly of rigid macrocycle cucurbit[7]uril (CB[7]) and fluorescent quantum dots (QDs), and demonstrate the potential of the system for efficient energy transfer and sensing of small molecules.

Chemical Communications

Cucurbituril-mediated quantum dot aggregates formed by aqueous self-assembly for sensing applications†

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