2022 International Conference on Solid State Devices and Materials

講演情報

Oral Presentation

06: Photovoltaic / Energy Harvesting / Battery-related Technology

[C-4] Battery, Photocatalyst, Photodetector

2022年9月28日(水) 09:00 〜 10:15 103 (1F)

Session Chair: Masaki Matsui (Hokkaido Univ.), Munekazu Motoyama (Nagoya Univ.)

10:00 〜 10:15

[C-4-04] Investigation of Organic Solar Cells as Photodetectors

〇Jiaxun You1, Md. Shahiduzzaman1, Masahiro Nakano1, Makoto Karakawa1, Kohichi Iiyama1, Tetsuya Taima1 (1. Kanazawa Univ. (Japan))

Presentation style: On-site (in-person)

https://doi.org/10.7567/SSDM.2022.C-4-04

In this work, we investigate the effect of organic photovoltaic (OPV) structures such as Schottky, planar heterojunction (PHJ) and bulk heterojunction (BHJ) as the organic photodetectors (OPD) and how it contributes to the improvement of the resultant device performance. Interestingly, the Schottky device as OPV exhibited the lowest power conversion efficiency (PCE) of 3×10-4%, subsequently almost unfeasible, whereas Schottky device as the OPD showed the higher linear dynamic range (LDR) of 53 dB, which is superior to those of PHJ and BHJ devices as the OPD (39 dB and 13 dB). OPV with BHJ structure showed higher PCE than Schottky whereas BHJ devices revealed lower LDR than Schottky devices used as OPD because of the poor rectification that get a higher dark current.

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