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A novel self-powered photodiode based on solution-processed organic TPD:Alq3 active layer
- Source :
- Materials Science in Semiconductor Processing. 131:105886
- Publication Year :
- 2021
- Publisher :
- Elsevier BV, 2021.
-
Abstract
- Herein, we report a novel self-powered photodiode, which is based on all solution-processed active layer made of bulk heterojunction of TPD:Alq3. The photodiodes can be utilized for the detection of ultraviolet (UV) radiation in a self-powered mode without the need for an external power supply. The optimized photodiode with TPD:Alq3 (1:2) active layer presented a sensitivity, responsivity and detectivity of 1.76 × 103, 5.22 × 10−4 A/W and 3.11 × 1010 Jones, respectively at zero biased mode under 365 nm UV light. We proposed a new approach of utilizing impedance matching to deliver the maximum power of photodiodes to the external load. Nevertheless, with a tool of minimized impedance, one can nearly get the full functionality of the photodiode at zero biased volt, but with zero power delivery to the tool. The performance of TPD:Alq3 based photodiodes outperformed that of photodiodes reported in literature.
- Subjects :
- Materials science
Maximum power principle
Impedance matching
02 engineering and technology
medicine.disease_cause
01 natural sciences
law.invention
Responsivity
law
0103 physical sciences
medicine
General Materials Science
Electrical impedance
010302 applied physics
business.industry
Mechanical Engineering
021001 nanoscience & nanotechnology
Condensed Matter Physics
Photodiode
Active layer
Mechanics of Materials
Optoelectronics
0210 nano-technology
business
Sensitivity (electronics)
Ultraviolet
Subjects
Details
- ISSN :
- 13698001
- Volume :
- 131
- Database :
- OpenAIRE
- Journal :
- Materials Science in Semiconductor Processing
- Accession number :
- edsair.doi...........2c4dd09676dfd35a9b27bcb8c245c8cb