With the use of next-generation semiconductors, notably organic and perovskite materials with remarkable optoelectronic and mechanical properties, thin-film photodiodes are progressing rapidly to rival their inorganic counterparts. However, to ensure a trustworthy comparison among the reported works, it is imperative that the measurement techniques for the figure of merits be unified and standardized. In this Letter, the possible causes of misrepresentation in the linear dynamic range (LDR) values are thoroughly discussed. The role of unity slope in defining the deviation point is examined, and the chances of misinterpretation when adopting different definitions are explained using a representative organic photodiode system. Furthermore, certain criteria are put out to standardize the LDR representation, which could be a crucial step toward facilitating the progress in this promising field via a more rational comparison of literature reports.
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4 March 2024
Research Article|
March 07 2024
Deriving the linear dynamic range of next-generation thin-film photodiodes: Pitfalls and guidelines
Special Collection:
Organic and Hybrid Photodetectors
Hrisheekesh Thachoth Chandran
;
Hrisheekesh Thachoth Chandran
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing)
1
Department of Electrical and Electronic Engineering, Research Institute for Smart Energy (RISE), Photonics Research Institute (PRI), The Hong Kong Polytechnic University
, Hung Hom, Kowloon, Hong Kong, People's Republic of China
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Sudhi Mahadevan
;
Sudhi Mahadevan
(Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing)
2
Department of Materials Science and Engineering, Center of Super-Diamond and Advanced Films (COSDAF), Hong Kong Institute of Clean Energy (HKICE), City University of Hong Kong
, Hong Kong, People's Republic of China
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Ruijie Ma
;
Ruijie Ma
(Data curation, Formal analysis, Investigation, Methodology, Writing – review & editing)
1
Department of Electrical and Electronic Engineering, Research Institute for Smart Energy (RISE), Photonics Research Institute (PRI), The Hong Kong Polytechnic University
, Hung Hom, Kowloon, Hong Kong, People's Republic of China
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Yu Tang
;
Yu Tang
(Data curation, Investigation, Methodology)
3
Department of Physics, Research Centre of Excellence for Organic Electronics, Institute of Advanced Materials, Hong Kong Baptist University
, Kowloon Tong, Hong Kong, China
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Tao Zhu
;
Tao Zhu
(Data curation, Methodology)
1
Department of Electrical and Electronic Engineering, Research Institute for Smart Energy (RISE), Photonics Research Institute (PRI), The Hong Kong Polytechnic University
, Hung Hom, Kowloon, Hong Kong, People's Republic of China
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Furong Zhu
;
Furong Zhu
(Data curation, Methodology)
3
Department of Physics, Research Centre of Excellence for Organic Electronics, Institute of Advanced Materials, Hong Kong Baptist University
, Kowloon Tong, Hong Kong, China
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Sai-Wing Tsang
;
Sai-Wing Tsang
(Data curation, Methodology, Writing – review & editing)
2
Department of Materials Science and Engineering, Center of Super-Diamond and Advanced Films (COSDAF), Hong Kong Institute of Clean Energy (HKICE), City University of Hong Kong
, Hong Kong, People's Republic of China
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Gang Li
Gang Li
a)
(Conceptualization, Funding acquisition, Methodology, Project administration, Supervision, Writing – review & editing)
1
Department of Electrical and Electronic Engineering, Research Institute for Smart Energy (RISE), Photonics Research Institute (PRI), The Hong Kong Polytechnic University
, Hung Hom, Kowloon, Hong Kong, People's Republic of China
a)Author to whom correspondence should be addressed: [email protected]
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a)Author to whom correspondence should be addressed: [email protected]
Appl. Phys. Lett. 124, 101113 (2024)
Article history
Received:
October 27 2023
Accepted:
February 25 2024
Citation
Hrisheekesh Thachoth Chandran, Sudhi Mahadevan, Ruijie Ma, Yu Tang, Tao Zhu, Furong Zhu, Sai-Wing Tsang, Gang Li; Deriving the linear dynamic range of next-generation thin-film photodiodes: Pitfalls and guidelines. Appl. Phys. Lett. 4 March 2024; 124 (10): 101113. https://doi.org/10.1063/5.0184847
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