Fluorescent carbon nano‑materials from coal‑based precursors: unveiling structure–function relationship between coal and nano‑materials

서지정보

· 발행기관 : 한국탄소학회
· 수록지 정보 : Carbon letters / 32권 / 3호
· 저자명 : Niloy Kundu, Dhrubajyoti Sadhukhan, Supriya Sarkar

목차

Abstract
Graphical abstract
1 Introduction
2 Precursor of coal-based fluorescent nano-materials and their structure
2.1 Molecular structure of different coals and their characterization
2.2 Coal derivatives and their structure
3 Different synthesis routes of fluorescent nano-materials from coal-based precursors
3.1 Chemical oxidation method
3.2 Solvothermal synthesis in non-aqueous solvents
3.3 Physical exfoliation processes
3.4 Electrochemical oxidation
4 Fluorescence properties of nano-materials synthesized from coal-based precursors
5 Applications of carbon dots synthesized from coal-based precursors
5.1 Fluorescence applications
5.2 Other applications: coal-derived CDs in electro and photo-chemical reactions
6 Conclusions and future prospects
Acknowledgements
References

영어초록

Fluorescent carbon nano-materials with quantum confinement and edge effects have recently piqued attention in a variety of applications, including biological imaging, drug delivery, optoelectronics and sensing. These nano-materials can be synthesized from a variety of carbon-based precursors using both top-down and bottom-up methods. Coal and its derivatives typically include a vast crystalline network and condensed aromatic ring cluster, which can be easily exfoliated by chemical, electrochemical, or physical processes to produce nano-materials. As a result, they are regarded as a low-cost, abundant and efficient carbon source for the fabrication of high-yield nano-materials. Nano-materials synthesized from coal-based precursors have outstanding fluorescence, photostability, biocompatibility and low toxicity, among other properties. Their properties in optical sensors, LED devices, bio-imaging, and photo and electro-catalyst applications have already been investigated. In this review, we have highlighted current developments in the synthesis, structural properties and fluorescence properties of nano-materials synthesized from coal-based precursors.

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