ArticleScientific reports2017
Graphene Quantum Dot Solid Sheets: Strong blue-light-emitting & photocurrent-producing band-gap-opened nanostructures.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Engineering nitrogen-doped carbon quantum dots: investigating the role of dopant isomer configuration.RSC advances · 2026Article
- Prospects of Band Structure Engineering in MXenes for Active Switching MXetronics: Computational Insights and Experimental Approaches.Materials (Basel, Switzerland) · 2024Review
- Improved photocatalytic performance of cobalt doped ZnS decorated with graphene nanostructures under ultraviolet and visible light for efficient hydrogen production.Scientific reports · 2024Article
- High-efficiency upconversion process in cobalt and neodymium doped graphene QDs for biomedical applications.Scientific reports · 2023Article
- The Transformation of 0-D Carbon Dots into 1-, 2- and 3-D Carbon Allotropes: A Minireview.Nanomaterials (Basel, Switzerland) · 2022Review
- From 0D to 2D: N-doped carbon nanosheets for detection of alcohol-based chemical vapours.RSC advances · 2022Article
- Article
- Graphene Quantum Dots and Their Applications in Bioimaging, Biosensing, and Therapy.Advanced materials (Deerfield Beach, Fla.) · 2021Review
- Article
- Highly Responsive Ultraviolet Sensor Based on ZnS Quantum Dot Solid with Enhanced Photocurrent.Scientific reports · 2019Article
- Natural Source-Based Graphene as Sensitising Agents for Air Quality Monitoring.Scientific reports · 2019Article
- Tailoring of low grade coal to fluorescent nanocarbon structures and their potential as a glucose sensor.Scientific reports · 2018Article
Corrections and comments
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Authors and funding
12 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Graphene has been studied intensively in opto-electronics, and its transport properties are well established. However, efforts to induce intrinsic optical properties are still in progress. Herein, we report the production of micron-sized sheets by interconnecting graphene quantum dots (GQDs), which are termed 'GQD solid sheets', with intrinsic absorption and emission properties. Since a GQD solid sheet is an interconnected QD system, it possesses the optical properties of GQDs. Metal atoms that interconnect the GQDs in the bottom-up hydrothermal growth process, induce the semiconducting behaviour in the GQD solid sheets. X-ray absorption measurements and quantum chemical calculations provide clear evidence for the metal-mediated growth process. The as-grown graphene quantum dot solids undergo a Forster Resonance Energy Transfer (FRET) interaction with GQDs to exhibit an unconventional 36% photoluminescence (PL) quantum yield in the blue region at 440 nm. A high-magnitude photocurrent was also induced in graphene quantum dot solid sheets by the energy transfer process.
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Registered trials
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