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Plant leaf-derived graphene quantum dots and applications for white LEDs
Abstract
Graphene quantum dots (GQDs) have been prepared for the first time using raw plant leaf extracts of Neem (Azadirachta indica) and Fenugreek (Trigonella foenum-graecum) by a facile, hydrothermal method at 300 °C for 8 hours in water, without the need of any passivizing, reducing agents or organic solvents. High resolution transmission electron microscope studies showed that the average sizes of the GQDs from Neem (N-GQDs) and Fenugreek (F-GQDs) were 5 and 7 nm respectively. N-GQDs and F-GQDs exhibit high quantum yields of 41.2% and 38.9% respectively. Moreover, the GQDs were utilized to prepare a white light converting cap based on the red-green-blue (RGB) color mixing method.
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Cites
One-step synthesis of fluorescent carbon nanoparticles by laser irradiation
Hu, S.-L., Niu, K.-Y., Sun, J., Yang, J., Zhao, N.-Q., & Du, X.-W. (2009) · J. Mater. Chem. · doi:10.1039/b812943f · Cited by 968
Cited by
Photoluminescent carbon nanodots: synthesis, physicochemical properties and analytical applications
Roy, P., Chen, P.-C., Periasamy, A. P., Chen, Y.-N., & Chang, H.-T. (2015) · Materials Today · doi:10.1016/j.mattod.2015.04.005 · Cited by 566
Self-citationPlant-derived nanostructures: types and applications
Mohammadinejad, R., Karimi, S., Iravani, S., & Varma, R. S. (2016) · Green Chemistry · doi:10.1039/c5gc01403d · Cited by 437
Synthesis and applications of graphene quantum dots: a review
Chen, W., Lv, G., Hu, W., Li, D., Chen, S., & Dai, Z. (2018) · Nanotechnology Reviews · doi:10.1515/ntrev-2017-0199 · Cited by 394
Future Perspectives and Review on Organic Carbon Dots in Electronic Applications
Semeniuk, M., Yi, Z., Poursorkhabi, V., Tjong, J., Jaffer, S., Lu, Z.-H., & Sain, M. (2019) · ACS Nano · doi:10.1021/acsnano.9b00688 · Cited by 367
Metadata
- Authors
- Roy, P., Periasamy, A. P., Chuang, C., Liou, Y.-R., Chen, Y.-F., Joly, J., Liang, C.-T., & Chang, H.-T.
- Venue
- New J. Chem.
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2014-08-11
- Volume
- 38
- Issue
- 10
- Pages
- 4946-4951
- ISSN
- 0398-9836 (ISSN-L)
- 1144-0546
- 1369-9261
- OpenAlex
- W2082262589
- Cited by
- 180
- References
- 1
- FWCI
- 4.47
- Type
- journal article
- Language
- en
- Open access
- closed
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- Roy, P., Periasamy, A. P., Chuang, C., Liou, Y.-R., Chen, Y.-F., Joly, J., Liang, C.-T., & Chang, H.-T. (2014). Plant leaf-derived graphene quantum dots and applications for white LEDs. New J. Chem. https://doi.org/10.1039/c4nj01185f
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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