Ultranarrow-bandgap small-molecule acceptor enables sensitive SWIR detection and dynamic upconversion imaging-Reference-Cited by-同舟云学术

Ultranarrow-bandgap small-molecule acceptor enables sensitive SWIR detection and dynamic upconversion imaging

Published:2024-06-07 Issue:23 Volume:10 Page:
ISSN:2375-2548
Container-title:Science Advances
language:en
Short-container-title:Sci. Adv.

Author:

Chen Yongjie¹^ORCID,Zheng Yingqi¹²,Wang Jing³,Zhao Xuan⁴,Liu Guanhao²⁵,Lin Yi⁶^ORCID,Yang Yubo⁴^ORCID,Wang Lixiang³,Tang Zheng⁶^ORCID,Wang Ying⁵^ORCID,Fang Yanjun³^ORCID,Zhang Wenkai⁴^ORCID,Zhu Xiaozhang¹²^ORCID

Affiliation:

1. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Haidian District, Beijing, China.

2. School of Chemical Sciences, University of Chinese Academy of Sciences, Haidian District, Beijing, China.

3. State Key Laboratory of Silicon and Advanced Semiconductor Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou, China.

4. Department of Physics and Applied Optics Beijing Area Major Laboratory, Center for Advanced Quantum Studies, Beijing Normal University, Beijing, China.

5. Key Laboratory of Photochemical Conversion and Optoelectronic Materials and CityU−CAS Joint Laboratory of Functional Materials and Devices, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, China.

6. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Center for Advanced Low-dimension Materials, College of Materials Science and Engineering, Donghua University, Shanghai, China.

Abstract

Short-wavelength infrared (SWIR) light detection plays a key role in modern technologies. Emerging solution-processed organic semiconductors are promising for cost-effective, flexible, and large-area SWIR organic photodiodes (OPDs). However, the spectral responsivity ( R ) and specific detectivity ( D *) of SWIR OPDs are restricted by insufficient exciton dissociation and high noise current. In this work, we synthesized an SWIR small molecule with a spectral coverage of 0.3 to 1.3 micrometers peaking at 1100 nanometers. The photodiode, with optimized exciton dissociation, charge injection, and SWIR transmittance, achieves a record high R of 0.53 ampere per watt and D * of 1.71 × 10 13 Jones at 1110 nanometers under zero bias. The D * at 1 to 1.2 micrometers surpasses that of the uncooled commercial InGaAs photodiode. Furthermore, large-area semitransparent all-organic upconversion devices integrating the SWIR photodiode realized static and dynamic SWIR-to-visible imaging, along with excellent upconversion efficiency and spatial resolution. This work provides alternative insights for developing sensitive organic SWIR detection.

Publisher

American Association for the Advancement of Science (AAAS)

Link

https://www.science.org/doi/pdf/10.1126/sciadv.adm9631

Reference76 articles.

1. A. Rogalski Next decade in infrared detectors. SPIE Security + Defence (SPIE 2017) vol. 10433.

2. Near‐infrared organic photoelectric materials for light‐harvesting systems: Organic photovoltaics and organic photodiodes

3. Recent advances in organic near-infrared photodiodes

4. Exploration of Near-Infrared Organic Photodetectors

5. Solution-processable infrared photodetectors: Materials, device physics, and applications

Cited by 1 articles. 订阅此论文施引文献订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献

1. Flexible Near‐Infrared Organic Photodetectors With Ultralow Dark Current by Layer‐by‐Layer Blade Coating;Advanced Optical Materials;2024-09-10