The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.
Constructing Fast Carrier Tracks into Flexible Perovskite Photodetectors To Greatly Improve Responsivity
Abstract
Intrinsically high mobility and large absorption coefficient endow inorganic halide perovskites (IHPs) with great promise for high-performance photodetectors (PDs), which, however, are being hindered by the low carrier extraction and transport efficiency of the solution assembled films. Here, we report on a general strategy to enhance the perovskite film conductivity that carbon nanotubes (CNTs) conductive nanonets are constructed from to provide fast carrier tracks. Resultantly, the CsPbBr 3 nanosheet/CNT composite films exhibit both high light harvesting and high conductivity, such advantages are demonstrated by the high performances of corresponding planar PDs. Specifically, the highest external quantum efficiency (EQE) of 7488% and the highest responsivity of 31.1 A W –1 under a bias of 10 V among IHP PDs with planar structure are achieved, which are almost 125-fold over the previous best results. Besides, the efficient charge extraction and transport also remarkably contribute to the fast response speed where a rise time of 16 μs is achieved, which is also superior to state-of-the-art IHP PDs. Furthermore, the composite films exhibit impressive flexibility due to the ultrathin 2D and 1D structural characteristic of perovskites and CNTs. By deploying the PD as a point-like detector, we acquire clear images. The results indicate the promising potentials of the perovskite/CNT composites for solution and ambient condition processed flexible devices, and this strategy is general for all kinds of perovskite optoelectronic devices including photodetectors, phototransistors, and even LEDs.
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Quantum Dot Light‐Emitting Diodes Based on Inorganic Perovskite Cesium Lead Halides (CsPbX3)
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Self-citationDe Roo, J., Ibáñez, M., Geiregat, P., Nedelcu, G., Walravens, W., Maes, J., Martins, J. C., Van Driessche, I., Kovalenko, M. V., & Hens, Z. (2016) · ACS Nano · doi:10.1021/acsnano.5b06295 · Cited by 1,947
High-mobility and low-power thin-film transistors based on multilayer MoS2 crystals
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Cited by
Low‐Dimensional Metal Halide Perovskite Photodetectors
Wang, H., Li, S., Liu, X., Shi, Z., Fang, X., & He, J. (2021) · Advanced Materials · doi:10.1002/adma.202003309 · Cited by 574
Bao, C., Yang, J., Bai, S., Xu, W., Yan, Z., Xu, Q., Liu, J., Zhang, W., & Gao, F. (2018) · Advanced Materials · doi:10.1002/adma.201803422 · Cited by 567
Flexible Photodetectors Based on Novel Functional Materials
Xie, C., & Yan, F. (2017) · Small · doi:10.1002/smll.201701822 · Cited by 359
Ultrasensitive and Fast All‐Inorganic Perovskite‐Based Photodetector via Fast Carrier Diffusion
Yang, B., Zhang, F., Chen, J., Yang, S., Xia, X., Pullerits, T., Deng, W., & Han, K. (2017) · Advanced Materials · doi:10.1002/adma.201703758 · Cited by 319
Self-citationNarrowband Perovskite Photodetector-Based Image Array for Potential Application in Artificial Vision
Xue, J., Zhu, Z., Xu, X., Gu, Y., Wang, S., Xu, L., Zou, Y., Song, J., Zeng, H., & Chen, Q. (2018) · Nano Letters · doi:10.1021/acs.nanolett.8b03209 · Cited by 266
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Metadata
- Authors
- Li, X., Yu, D., Chen, J., Wang, Y., Cao, F., Wei, Y., Wu, Y., Wang, L., Zhu, Y., Sun, Z., Ji, J., Shen, Y., Sun, H., & Zeng, H.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-01-24
- Volume
- 11
- Issue
- 2
- Pages
- 2015-2023
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2572703040
- Cited by
- 316
- References
- 39
- FWCI
- 18.57
- Type
- journal article
- Language
- en
- Open access
- closed
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