Bidirectional optical signal transmission between two identical devices using perovskite diodes
Open accessAbstract
The integration of optical signal generation and reception into one device - and thus allowing bidirectional optical signal transmission between two identical devices - is of value in the development of miniaturized and integrated optoelectronic devices. However, conventional solution-processable semiconductors have intrinsic material and design limitations that prevent them from being used to create such devices with high performance. Here, we report an efficient solution-processed perovskite diode that is capable of working in both emission and detection modes. The device can be switched between modes by changing the bias direction, and it exhibits light emission with an external quantum efficiency of over 21% and a light detection limit on a sub-picowatt scale. The operation speed for both functions can reach tens of megahertz. Benefiting from the small Stokes shift of perovskites, our diodes exhibit high specific detectivity (more than 2×10 12 Jones) at its peak emission (~804 nm), allowing optical signal exchange between two identical diodes. To illustrate the potential of the dual-functional diode, we show that it can be used to create a monolithic pulse sensor and a bidirectional optical communication system.
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- Authors
- Bao, C., Xu, W., Yang, J., Bai, S., Teng, P., Yang, Y., Wang, J., Zhao, N., Zhang, W., Huang, W., & Gao, F.
- Affiliations
- Linköping University (SE)
- State Key Laboratory of Mechanical Structure Mechanics and Control (CN)
- Nanjing Tech University (CN)
- Chinese University of Hong Kong (HK)
- Shenzhen University (CN)
- Corresponding author
- Zhang, Wenjing
- Huang, Wei
- Gao, Feng
- ORCID
- Venue
- Nature Electronics
- Published
- 2020-03-20
- Volume
- 3
- Issue
- 3
- Pages
- 156-164
- ISSN
- 2520-1131 (ISSN-L)
- PMC
- PMC7100905
- OpenAlex
- W3011451295
- Cited by
- 233
- References
- 46
- Citations by year
- 2026: 26 · 2025: 50 · 2024: 40 · 2023: 44 · 2022: 34 · 2021: 24 · 2020: 15
- FWCI
- 10.05
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- Locations
- Nature Electronics (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- KTH Publication Database DiVA (KTH Royal Institute of Technology) (submittedVersion, other-oa)
- Funders
- China Postdoctoral Science Foundation (2018T110886)
- Natural Science Foundation of Jiangsu Province (BK20171007)
- National Science Foundation of China | Major Research Plan (91733302)
- VINNOVA
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Perovskite Materials and Applications
- Physical Sciences › Materials Science › Materials Chemistry › 2D Materials and Applications
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Photonic and Optical Devices
- Keywords
- solution-processed perovskites, photodetection, light emission, external quantum efficiency, detectivity, Stokes shift, bidirectional optical communication, optoelectronic integration
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