The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Negative Photoconductance in van der Waals Heterostructure-Based Floating Gate Phototransistor
Abstract
van der Waals (vdW) heterostructures made of two-dimensional materials have been demonstrated to be versatile architectures for optoelectronic applications due to strong light–-matter interactions. However, most light-controlled phenomena and applications in the vdW heterostructures rely on positive photoconductance (PPC). Negative photoconductance (NPC) has not yet been reported in vdW heterostructures. Here we report the observation of the NPC in the ReS 2 /h-BN/MoS 2 vdW heterostructure-based floating gate phototransistor. The fabricated devices exhibit excellent performance of nonvolatile memory without light illumination. More interestingly, we observe a gate-tunable transition between the PPC and the NPC under the light illumination. The observed NPC phenomenon can be attributed to charge transfer between the floating gate and the conduction channel. Furthermore, we show that control of NPC through light intensity is promising in realization of light-tunable multibit memory devices. Our results may enable potential applications in multifunctional memories and optoelectronic devices.
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Cites
Photonics and optoelectronics of 2D semiconductor transition metal dichalcogenides
Mak, K. F., & Shan, J. (2016) · Nature Photonics · doi:10.1038/nphoton.2015.282 · Cited by 3,819
Graphene–MoS2 hybrid structures for multifunctional photoresponsive memory devices
Roy, K., Padmanabhan, M., Goswami, S., Sai, T. P., Ramalingam, G., Raghavan, S., & Ghosh, A. (2013) · Nature Nanotechnology · doi:10.1038/nnano.2013.206 · Cited by 1,436
Cited by
Liang, S., Cheng, B., Cui, X., & Miao, F. (2020) · Advanced Materials · doi:10.1002/adma.201903800 · Cited by 537
Self-citationGate-tunable van der Waals heterostructure for reconfigurable neural network vision sensor
Wang, C.-Y., Liang, S.-J., Wang, S., Wang, P., Li, Z., Wang, Z., Gao, A., Pan, C., Liu, C., Liu, J., et al. (2020) · Science Advances · doi:10.1126/sciadv.aba6173 · Cited by 452
Self-citationPan, C., Wang, C.-Y., Liang, S.-J., Wang, Y., Cao, T., Wang, P., Wang, C., Wang, S., Cheng, B., Gao, A., et al. (2020) · Nature Electronics · doi:10.1038/s41928-020-0433-9 · Cited by 386
Self-citationDesign strategies for two‐dimensional material photodetectors to enhance device performance
Wang, J., Han, J., Chen, X., & Wang, X. (2019) · InfoMat · doi:10.1002/inf2.12004 · Cited by 268
Metadata
- Authors
- Wang, Y., Liu, E., Gao, A., Cao, T., Long, M., Pan, C., Zhang, L., Zeng, J., Wang, C., Hu, W., Liang, S.-J., & Miao, F.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-08-17
- Volume
- 12
- Issue
- 9
- Pages
- 9513-9520
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2887137457
- Cited by
- 205
- References
- 2
- FWCI
- 5.60
- Type
- journal article
- Language
- en
- Open access
- closed
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