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    Rights statement: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsami.7b17102

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Large Area Heterostructures from Graphene and Silica Encapsulated Colloidal Quantum Dots via the Langmuir-Blodgett Method

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Article number10
<mark>Journal publication date</mark>28/02/2018
<mark>Journal</mark>ACS Applied Materials and Interfaces
Issue number8
Volume10
Number of pages5
Pages (from-to)6805-6809
Publication statusPublished
Early online date13/02/18
Original languageEnglish

Abstract

Integrating 2D and 0D materials gives rise to hybrid systems with unique and attractive properties. This work explores the successful assembly of large area heterostructures comprised of a film of luminescent colloidal quantum dots encapsulated in a silica shell, deposited via the Langmuir-Blodgett method, sandwiched between two graphene sheets. Despite significant experimental challenges, the structural, optical and electronic properties of the graphene and quantum dots were maintained. The top graphene sheet was patterned into an electrode, and successfully used as a top gate for an underlying graphene field effect transistor, paving the way for developing novel optoelectronic devices.