The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Highly Responsive Ultrathin GaS Nanosheet Photodetectors on Rigid and Flexible Substrates
Open accessAbstract
The first GaS nanosheet-based photodetectors are demonstrated on both mechanically rigid and flexible substrates. Highly crystalline, exfoliated GaS nanosheets are promising for optoelectronics due to strong absorption in the UV-visible wavelength region. Photocurrent measurements of GaS nanosheet photodetectors made on SiO2/Si substrates and flexible polyethylene terephthalate (PET) substrates exhibit a photoresponsivity at 254 nm up to 4.2 AW(-1) and 19.2 AW(-1), respectively, which exceeds that of graphene, MoS2, or other 2D material-based devices. Additionally, the linear dynamic range of the devices on SiO2/Si and PET substrates are 97.7 dB and 78.73 dB, respectively. Both surpass that of currently exploited InGaAs photodetectors (66 dB). Theoretical modeling of the electronic structures indicates that the reduction of the effective mass at the valence band maximum (VBM) with decreasing sheet thickness enhances the carrier mobility of the GaS nanosheets, contributing to the high photocurrents. Double-peak VBMs are theoretically predicted for ultrathin GaS nanosheets (thickness less than five monolayers), which is found to promote photon absorption. These theoretical and experimental results show that GaS nanosheets are promising materials for high-performance photodetectors on both conventional silicon and flexible substrates.
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Cites
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Photodetectors based on graphene, other two-dimensional materials and hybrid systems
Koppens, F. H. L., Mueller, T., Avouris, P., Ferrari, A. C., Vitiello, M. S., & Polini, M. (2014) · Nature Nanotechnology · doi:10.1038/nnano.2014.215 · Cited by 3,828
Photocurrent generation with two-dimensional van der Waals semiconductors
Buscema, M., Island, J. O., Groenendijk, D. J., Blanter, S. I., Steele, G. A., van der Zant, H. S. J., & Castellanos-Gomez, A. (2015) · Chemical Society Reviews · doi:10.1039/c5cs00106d · Cited by 1,051
Wide Band Gap Chalcogenide Semiconductors
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Large‐Size Growth of Ultrathin SnS2 Nanosheets and High Performance for Phototransistors
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Controlled Synthesis of High-Quality Monolayered α-In2Se3 via Physical Vapor Deposition
Zhou, J., Zeng, Q., Lv, D., Sun, L., Niu, L., Fu, W., Liu, F., Shen, Z., Jin, C., & Liu, Z. (2015) · Nano Letters · doi:10.1021/acs.nanolett.5b01590 · Cited by 308
Metadata
- Authors
- Hu, P., Wang, L., Yoon, M., Zhang, J., Feng, W., Wang, X., Wen, Z., Idrobo, J. C., Miyamoto, Y., Geohegan, D. B., & Xiao, K.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-03-06
- Volume
- 13
- Issue
- 4
- Pages
- 1649-1654
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2078010004
- Cited by
- 824
- References
- 5
- FWCI
- 26.64
- Type
- journal article
- Language
- en
- Open access
- green
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- Hu, P., Wang, L., Yoon, M., Zhang, J., Feng, W., Wang, X., Wen, Z., Idrobo, J. C., Miyamoto, Y., Geohegan, D. B., & Xiao, K. (2013). Highly Responsive Ultrathin GaS Nanosheet Photodetectors on Rigid and Flexible Substrates. Nano Letters. https://doi.org/10.1021/nl400107k
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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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