Synergistic research efforts in multistep chemical synthesis and state-of-the-art optical spectroscopy have permitted the realization of graphene quantum dots (GQDs) with defined structures and properties, paving the way towards their possible applications in photonics and optoelectronics. One such fruitful feedback loop between synthesis and spectroscopy is represented by the recent development of stable GQDs with zigzag edges, displaying excellent spectral features such as optical gain and strong absorption/emission in the visible/near-infrared regions, which are appealing for applications in photonics. In this progress report, the authors provide an overview of the latest developments in the chemical synthesis and advanced spectroscopic investigations of atomically precise GQDs, with particular emphasis on those with zigzag-edged structures. The latest developments in their applications are also introduced, for example, in lasing and optical imaging, and new opportunities in the field of GQDs are discussed, including chiral GQDs with chiroptical properties and possible applications of GQDs for long-lived luminescence. The authors highlight the role and power of chemical synthesis and spectroscopy in providing new GQDs with promising optical properties that pave the way for new and exciting applications in photonics.
Large Polycyclic Aromatic Hydrocarbons as Graphene Quantum Dots: from Synthesis to Spectroscopy and Photonics / Paterno, G. M.; Goudappagouda, ; Chen, Q.; Lanzani, G.; Scotognella, F.; Narita, A.. - In: ADVANCED OPTICAL MATERIALS. - ISSN 2195-1071. - 9:23(2021), pp. 1-18. [10.1002/adom.202100508]
Large Polycyclic Aromatic Hydrocarbons as Graphene Quantum Dots: from Synthesis to Spectroscopy and Photonics
Scotognella F.;
2021
Abstract
Synergistic research efforts in multistep chemical synthesis and state-of-the-art optical spectroscopy have permitted the realization of graphene quantum dots (GQDs) with defined structures and properties, paving the way towards their possible applications in photonics and optoelectronics. One such fruitful feedback loop between synthesis and spectroscopy is represented by the recent development of stable GQDs with zigzag edges, displaying excellent spectral features such as optical gain and strong absorption/emission in the visible/near-infrared regions, which are appealing for applications in photonics. In this progress report, the authors provide an overview of the latest developments in the chemical synthesis and advanced spectroscopic investigations of atomically precise GQDs, with particular emphasis on those with zigzag-edged structures. The latest developments in their applications are also introduced, for example, in lasing and optical imaging, and new opportunities in the field of GQDs are discussed, including chiral GQDs with chiroptical properties and possible applications of GQDs for long-lived luminescence. The authors highlight the role and power of chemical synthesis and spectroscopy in providing new GQDs with promising optical properties that pave the way for new and exciting applications in photonics.File | Dimensione | Formato | |
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https://hdl.handle.net/11583/2985401