The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
High-Responsivity Graphene/InAs Nanowire Heterojunction Near-Infrared Photodetectors with Distinct Photocurrent On/Off Ratios
Abstract
Graphene is a promising candidate material for high-speed and ultra-broadband photodetectors. However, graphene-based photodetectors suffer from low photoreponsivity and I(light)/I(dark) ratios due to their negligible-gap nature and small optical absorption. Here, a new type of graphene/InAs nanowire (NW) vertically stacked heterojunction infrared photodetector is reported, with a large photoresponsivity of 0.5 AW(-1) and I(light)/I(dark) ratio of 5 × 10(2), while the photoresponsivity and I(light)/I(dark) ratio of graphene infrared photodetectors are 0.1 mAW(-1) and 1, respectively. The Fermi level (E(F)) of graphene can be widely tuned by the gate voltage owing to its 2D nature. As a result, the back-gated bias can modulate the Schottky barrier (SB) height at the interface between graphene and InAs NWs. Simulations further demonstrate the rectification behavior of graphene/InAs NW heterojunctions and the tunable SB controls charge transport across the vertically stacked heterostructure. The results address key challenges for graphene-based infrared detectors, and are promising for the development of graphene electronic and optoelectronic applications.
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Cites
Two-dimensional gas of massless Dirac fermions in graphene
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Katsnelson, M. I., Grigorieva, I. V., Dubonos, S. V., & Firsov, A. A. (2005) · Nature · doi:10.1038/nature04233 · Cited by 21,611
Graphene photodetectors for high-speed optical communications
Mueller, T., Xia, F., & Avouris, P. (2010) · Nature Photonics · doi:10.1038/nphoton.2010.40 · Cited by 2,474
High-responsivity graphene/silicon-heterostructure waveguide photodetectors
Wang, X., Cheng, Z., Xu, K., Tsang, H. K., & Xu, J.-B. (2013) · Nature Photonics · doi:10.1038/nphoton.2013.241 · Cited by 873
Cited by
Mixed-dimensional van der Waals heterostructures
Jariwala, D., Marks, T. J., & Hersam, M. C. (2017) · Nature Materials · doi:10.1038/nmat4703 · Cited by 1,606
High Detectivity Graphene‐Silicon Heterojunction Photodetector
Li, X., Zhu, M., Du, M., Lv, Z., Zhang, L., Li, Y., Yang, Y., Yang, T., Li, X., Wang, K., et al. (2016) · Small · doi:10.1002/smll.201502336 · Cited by 512
Liu, Y., Zhang, Y., Yang, Z., Yang, D., Ren, X., Pang, L., & Liu, S. (. (2016) · Advanced Materials · doi:10.1002/adma.201601995 · Cited by 386
Infrared Photodetectors Based on 2D Materials and Nanophotonics
Zha, J., Luo, M., Ye, M., Ahmed, T., Yu, X., Lien, D., He, Q., Lei, D., Ho, J. C., Bullock, J., et al. (2022) · Advanced Functional Materials · doi:10.1002/adfm.202111970 · Cited by 331
Self-citationWan, X., Xu, Y., Guo, H., Shehzad, K., Ali, A., Liu, Y., Yang, J., Dai, D., Lin, C.-T., Liu, L., et al. (2017) · npj 2D Materials and Applications · doi:10.1038/s41699-017-0008-4 · Cited by 316
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Metadata
- Authors
- Miao, J., Hu, W., Guo, N., Lu, Z., Liu, X., Liao, L., Chen, P., Jiang, T., Wu, S., Ho, J. C., Wang, L., Chen, X., & Lu, W.
- Venue
- Small
- Publisher
- Wiley
- Published
- 2014-10-31
- Volume
- 11
- Issue
- 8
- Pages
- 936-942
- ISSN
- 1613-6810 (ISSN-L)
- OpenAlex
- W2120632946
- Cited by
- 195
- References
- 3
- FWCI
- 9.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Miao, J., Hu, W., Guo, N., Lu, Z., Liu, X., Liao, L., Chen, P., Jiang, T., Wu, S., Ho, J. C., Wang, L., Chen, X., & Lu, W. (2015). High-Responsivity Graphene/InAs Nanowire Heterojunction Near-Infrared Photodetectors with Distinct Photocurrent On/Off Ratios. Small. https://doi.org/10.1002/smll.201402312
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