Excitation-Independent Emission of Carbon Quantum Dot Solids
Joint Authors
Mai, Xuan-Dung
Phan, Yen Thi Hai
Nguyen, Van-Quang
Source
Advances in Materials Science and Engineering
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-12-10
Country of Publication
Egypt
No. of Pages
5
Abstract EN
Solid assemblies of carbon quantum dots (CQDs) are important for diverse applications including LEDs, solar cells, and photosensors; their optical and electrical properties have not been explored yet.
Herein, we used amphiphilic CQDs synthesized from citric acid and thiourea by a solvothermal method to fabricate CQD solid films.
Optical properties of CQDs studied by UV-Vis and photoluminescence spectroscopies indicate that CQDs possess three different emission centers at 425 nm, 525 nm, and 625 nm originating from C sp2 states, N-states, and S-states, respectively.
In a solid state, π-π stacking quenched the blue emission, while the red emission increased.
Importantly, CQD films exhibited excitation independence, which is important to design solid-state lighting applications.
American Psychological Association (APA)
Mai, Xuan-Dung& Phan, Yen Thi Hai& Nguyen, Van-Quang. 2020. Excitation-Independent Emission of Carbon Quantum Dot Solids. Advances in Materials Science and Engineering،Vol. 2020, no. 2020, pp.1-5.
https://search.emarefa.net/detail/BIM-1129655
Modern Language Association (MLA)
Mai, Xuan-Dung…[et al.]. Excitation-Independent Emission of Carbon Quantum Dot Solids. Advances in Materials Science and Engineering No. 2020 (2020), pp.1-5.
https://search.emarefa.net/detail/BIM-1129655
American Medical Association (AMA)
Mai, Xuan-Dung& Phan, Yen Thi Hai& Nguyen, Van-Quang. Excitation-Independent Emission of Carbon Quantum Dot Solids. Advances in Materials Science and Engineering. 2020. Vol. 2020, no. 2020, pp.1-5.
https://search.emarefa.net/detail/BIM-1129655
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1129655