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Graphene quantum dots: preparations, properties, functionalizations and applications

Pin Tian, Libin Tang Orcid Logo, Vincent Teng Orcid Logo, Shu-Ping Lau

Materials Futures, Volume: 3, Issue: 2

Swansea University Author: Vincent Teng Orcid Logo

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DOI (Published version): 10.1088/2752-5724/ad08cb

Abstract

Zero-dimensional graphene quantum dots (GQDs) exhibit many different properties, such as strong fluorescence, non-zero band gap and solubility in solvents, as compared to the two-dimensional graphene. GQDs are biocompatible with low toxicity, hence they are widely used in the biomedical field. The e...

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Published in: Materials Futures
ISSN: 2752-5724
Published: IOP Publishing 2024
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URI: https://cronfa.swan.ac.uk/Record/cronfa64771
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spelling v2 64771 2023-10-18 Graphene quantum dots: preparations, properties, functionalizations and applications 98f529f56798da1ba3e6e93d2817c114 0000-0003-4325-8573 Vincent Teng Vincent Teng true false 2023-10-18 EEEG Zero-dimensional graphene quantum dots (GQDs) exhibit many different properties, such as strong fluorescence, non-zero band gap and solubility in solvents, as compared to the two-dimensional graphene. GQDs are biocompatible with low toxicity, hence they are widely used in the biomedical field. The edge effect of GQDs is of particular interest as modification of its edge can regulate the performance of the nanomaterials. In this review, various preparation methods of GQDs, which can be divided into three main categories, namely top-down, bottom-up and chemical methods, are discussed. The unique optical, electrical, thermal and magnetic properties of GQDs are reviewed. GQDs functionalization by means of doping with heteroatom as well as forming composite with other materials are studied and the characteristics of these GQDs are also discussed. Application of these GQDs in the fields of optics, electricity, optoelectronics, biomedicine, energy, agriculture and in other emerging interdisciplinary fields are reviewed to highlight the enormous potentials of the nanomaterials. This review reports on the recent advancement in the research of GQDs and suggests the future direction on the development of GQDs Journal Article Materials Futures 3 2 IOP Publishing 2752-5724 graphene quantum dots: preparations, properties, functionalizations and applications 7 2 2024 2024-02-07 10.1088/2752-5724/ad08cb COLLEGE NANME Electronic and Electrical Engineering COLLEGE CODE EEEG Swansea University This work was supported by National Natural Science Foundation of China (Grant Nos. 61106098, 51201150, and 11374250), the Key Project of Applied Basic Research of Yunnan Province, China (Grant No. 2012FA003), PolyU grant (1-ZVGH) and the Research Grants Council (RGC) of Hong Kong (Project Nos. PolyU 153030/15P and PolyU 153271/16P). 2024-04-15T21:01:50.6992098 2023-10-18T11:16:00.3762795 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering Pin Tian 1 Libin Tang 0000-0002-7174-2963 2 Vincent Teng 0000-0003-4325-8573 3 Shu-Ping Lau 4 64771__30028__3b2425c2684e438198a297e5cdfa4370.pdf 64771.VOR.pdf 2024-04-15T20:59:49.3502523 Output 9268224 application/pdf Version of Record true Released under the terms of the Creative Commons Attribution 4.0 license. true eng http://creativecommons.org/licenses/by/4.0/
title Graphene quantum dots: preparations, properties, functionalizations and applications
spellingShingle Graphene quantum dots: preparations, properties, functionalizations and applications
Vincent Teng
title_short Graphene quantum dots: preparations, properties, functionalizations and applications
title_full Graphene quantum dots: preparations, properties, functionalizations and applications
title_fullStr Graphene quantum dots: preparations, properties, functionalizations and applications
title_full_unstemmed Graphene quantum dots: preparations, properties, functionalizations and applications
title_sort Graphene quantum dots: preparations, properties, functionalizations and applications
author_id_str_mv 98f529f56798da1ba3e6e93d2817c114
author_id_fullname_str_mv 98f529f56798da1ba3e6e93d2817c114_***_Vincent Teng
author Vincent Teng
author2 Pin Tian
Libin Tang
Vincent Teng
Shu-Ping Lau
format Journal article
container_title Materials Futures
container_volume 3
container_issue 2
publishDate 2024
institution Swansea University
issn 2752-5724
doi_str_mv 10.1088/2752-5724/ad08cb
publisher IOP Publishing
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Electronic and Electrical Engineering
document_store_str 1
active_str 0
description Zero-dimensional graphene quantum dots (GQDs) exhibit many different properties, such as strong fluorescence, non-zero band gap and solubility in solvents, as compared to the two-dimensional graphene. GQDs are biocompatible with low toxicity, hence they are widely used in the biomedical field. The edge effect of GQDs is of particular interest as modification of its edge can regulate the performance of the nanomaterials. In this review, various preparation methods of GQDs, which can be divided into three main categories, namely top-down, bottom-up and chemical methods, are discussed. The unique optical, electrical, thermal and magnetic properties of GQDs are reviewed. GQDs functionalization by means of doping with heteroatom as well as forming composite with other materials are studied and the characteristics of these GQDs are also discussed. Application of these GQDs in the fields of optics, electricity, optoelectronics, biomedicine, energy, agriculture and in other emerging interdisciplinary fields are reviewed to highlight the enormous potentials of the nanomaterials. This review reports on the recent advancement in the research of GQDs and suggests the future direction on the development of GQDs
published_date 2024-02-07T21:01:45Z
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score 11.037056

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