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Strongly luminescent monolayered MoS2 prepared by effective ultrasound exfoliation
Abstract
Intense ultrasound in a pressurized batch reactor was used for preparation of monolayered MoS2 nanosheets from natural mineral molybdenite. Exfoliation of bulk MoS2 using ultrasound is an attractive route to large-scale preparation of monolayered crystals. To evaluate the quality of delamination, methods like X-ray diffraction, Raman spectroscopy and microscopic techniques (TEM and AFM) were employed. From single- or few-layered products obtained from intense sonication, MoS2 quantum dots (MoSQDs) were prepared by a one-pot reaction by refluxing exfoliated nanosheets of MoS2 in ethylene glycol under atmospheric pressure. The synthesised MoSQDs were characterised by photoluminescence spectroscopy and laser-scattering particle size analysis. Our easy preparation leads to very strongly green luminescing quantum dots.
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Cited by
Zhang, X., Xie, H., Liu, Z., Tan, C., Luo, Z., Li, H., Lin, J., Sun, L., Chen, W., Xu, Z., et al. (2015) · Angewandte Chemie International Edition · doi:10.1002/anie.201409400 · Cited by 710
Wang, Y., & Ni, Y. (2014) · Analytical Chemistry · doi:10.1021/ac5012014 · Cited by 422
Samadi, M., Sarikhani, N., Zirak, M., Zhang, H., Zhang, H.-L., & Moshfegh, A. Z. (2018) · Nanoscale Horizons · doi:10.1039/c7nh00137a · Cited by 408
Li, B., Jiang, L., Li, X., Ran, P., Zuo, P., Wang, A., Qu, L., Zhao, Y., Cheng, Z., & Lu, Y. (2017) · Scientific Reports · doi:10.1038/s41598-017-10632-3 · Cited by 358
Xu, S., Lei, Z., & Wu, P. (2015) · Journal of Materials Chemistry A · doi:10.1039/c5ta02637g · Cited by 153
Metadata
- Authors
- Štengl, V., & Henych, J.
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2013
- Volume
- 5
- Issue
- 8
- Pages
- 3387
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2099900166
- Cited by
- 260
- References
- 0
- FWCI
- 10.51
- Type
- journal article
- Language
- en
- Open access
- closed
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