A comprehensive review on recent developments in the graphene quantum dot framework for organic transformations

Prakash, Sankar Hari; Roopan, Selvaraj Mohana

doi:10.1016/j.jorganchem.2023.122790

Cited by 8 publications

(3 citation statements)

References 90 publications

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“…1). 78,79 Gu et al 80 proposed a quick and easy method to prepare nitrogen-doped GQDs using microwaves that are made from cedar tree roots without modifying their surface. Wong et al 81 suggested preparing nitrogen-doped GQDs utilizing the bottom-up method in conjunction with the electrochemical methodology.…”

Section: Gqdsmentioning

confidence: 99%

Recent advances in synergistic use of GQD-based hydrogels for bioimaging and drug delivery in cancer treatment

Akmal,

Kalashgrani,

Mousavi

et al. 2024

J. Mater. Chem. B

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Section: Gqdsmentioning

confidence: 99%

Recent advances in synergistic use of GQD-based hydrogels for bioimaging and drug delivery in cancer treatment

Akmal,

Kalashgrani,

Mousavi

et al. 2024

J. Mater. Chem. B

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“…Organometallic synthesis of NPs can be generalized into the idea of reducing organometallic compounds to produce metallic NPs. Commonly, this is done through either chemical reduction through the use of reducing agents like borohydrides or hydrazine or others, with the other common method being thermal reduction using heat to decompose organometallic materials into metallic NPs [7]. Examples:…”

Section: Organometallic Synthesismentioning

confidence: 99%

Introductory Information about Quantum Dots and their Applications

Yang,

Valdiviezo

2024

Preprint

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Quantum dots (QDs), a type of nanoparticles, have displayed promising applications within many scientific fields. A QD is a nanoscale semiconductor particle with unique quantum mechanical properties. These tiny structures, typically ranging from 1 to 10 nanometers in diameter, exhibit distinct electronic and optical behaviors due to their size-dependent quantum confinement effects. Their applications improve upon quality, energy consumption, and efficiency in LEDs, batteries, catalysts, solar energy, and more. This review article goes over the fundamentals of nanochemistry as a whole, before proceeding into more in-depth procedures on synthesizing quantum dots and delving into various applications today. The key points of this article are to introduce scholars who are new to the field of quantum dots in the fundamentals of quantum chemistry before elaborating on the improvements quantum dots have brought to many fields. This article covers in-depth enough to grasp most concepts behind these applications, but as a whole, this field is still relatively new, in which case new applications and improvements of quantum dots can be found. In the future, quantum dots may become a key to advancing society, with possible applications in medicinal processes, more efficient energy storage, better energy generation, and quantum computing, in addition to what QDs already improved within those fields.

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“…Numerous researchers have recently reviewed and published findings on the chemical and physical properties of GQDs and their synthesis methods [ 39 , 43 , 44 ]. Some of the reviews have focused on the applications of GQDs and their nanocomposites in drug delivery [ 45 , 46 ], bioimaging [ 46 , 47 ], wastewater treatment [ 48 , 49 ], food safety [ 50 ], energy storage [ 51 , 52 ], and catalysis [ 53 ].…”

Section: Introductionmentioning

confidence: 99%

Recent Progress on Functionalized Graphene Quantum Dots and Their Nanocomposites for Enhanced Gas Sensing Applications

Balakrishnan,

Sagadevan,

et al. 2023

Nanomaterials

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Gas-sensing technology has witnessed significant advancements that have been driven by the emergence of graphene quantum dots (GQDs) and their tailored nanocomposites. This comprehensive review surveys the recent progress made in the construction methods and applications of functionalized GQDs and GQD-based nanocomposites for gas sensing. The gas-sensing mechanisms, based on the Fermi-level control and charge carrier depletion layer theory, are briefly explained through the formation of heterojunctions and the adsorption/desorption principle. Furthermore, this review explores the enhancements achieved through the incorporation of GQDs into nanocomposites with diverse matrices, including polymers, metal oxides, and 2D materials. We also provide an overview of the key progress in various hazardous gas sensing applications using functionalized GQDs and GQD-based nanocomposites, focusing on key detection parameters such as sensitivity, selectivity, stability, response and recovery time, repeatability, and limit of detection (LOD). According to the most recent data, the normally reported values for the LOD of various toxic gases using GQD-based sensors are in the range of 1–10 ppm. Remarkably, some GQD-based sensors exhibit extremely low detection limits, such as N-GQDs/SnO2 (0.01 ppb for formaldehyde) and GQD@SnO2 (0.10 ppb for NO2). This review provides an up-to-date perspective on the evolving landscape of functionalized GQDs and their nanocomposites as pivotal components in the development of advanced gas sensors.

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A comprehensive review on recent developments in the graphene quantum dot framework for organic transformations

Cited by 8 publications

References 90 publications

Recent advances in synergistic use of GQD-based hydrogels for bioimaging and drug delivery in cancer treatment

Recent advances in synergistic use of GQD-based hydrogels for bioimaging and drug delivery in cancer treatment

Introductory Information about Quantum Dots and their Applications

Recent Progress on Functionalized Graphene Quantum Dots and Their Nanocomposites for Enhanced Gas Sensing Applications

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