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Tomimatsu A, Suizu R, Nakazawa M, Shirahata T, Misaki Y, Kinoshita N, Awaga K. Optoelectronic conversion and polarization hysteresis in organic MISM and MISIM devices with DA-type single-component molecules. Faraday Discuss 2024; 250:96-109. [PMID: 37986633 DOI: 10.1039/d3fd00125c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
Organic electronic devices offer various advantages, such as low cost and tunability. However, the organic semiconductors used in these devices have significant drawbacks, including instability in air and low carrier mobility. To address these challenges, we recently introduced organic MISM and MISIM (M = metal, I = insulator, S = semiconductor) devices, which effectively generate photo-induced displacement current and exhibit ferroelectric behavior. In previous studies, the S layer consisted of an organic donor-acceptor (DA) bilayer. In the present research, we fabricated MISM and MISIM devices using DA-type single-component molecules as the S layer and examined their photocurrent and polarization hysteresis. While the performance of these devices does not surpass that of DA bilayer devices, we discovered that DA-type single-component molecules can be utilized for photoelectric conversion and polarization trapping.
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Affiliation(s)
- Akihiro Tomimatsu
- Department of Chemistry & Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan.
| | - Rie Suizu
- Department of Chemistry & Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan.
- Japan Science and Technology Agency (JST), PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Miyabi Nakazawa
- Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, Matsuyama, 790-8577, Japan
| | - Takashi Shirahata
- Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, Matsuyama, 790-8577, Japan
- Research Unit for Materials Development for Efficient Utilization and Storage of Energy, Ehime University, 790-8577, Japan
| | - Yohji Misaki
- Department of Applied Chemistry, Graduate School of Science and Engineering, Ehime University, Matsuyama, 790-8577, Japan
- Research Unit for Materials Development for Efficient Utilization and Storage of Energy, Ehime University, 790-8577, Japan
| | - Naoya Kinoshita
- Department of Chemistry & Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan.
| | - Kunio Awaga
- Department of Chemistry & Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan.
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Lee HJ, Ker PJ, Gamel MMA, Jamaludin MZ, Wong YH. Predictive analysis of the power spectral irradiance from blackbody radiation source using single pixel detector. Heliyon 2023; 9:e20585. [PMID: 37842600 PMCID: PMC10569944 DOI: 10.1016/j.heliyon.2023.e20585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/11/2023] [Accepted: 09/29/2023] [Indexed: 10/17/2023] Open
Abstract
Accurate spectral irradiance measurement in the near-infrared range is significant for the design and characterization of photodetector and photovoltaic cells. Approximation method is commonly used to solve for the input power using estimated spectral irradiance, where the dependency on wavelength and temperature remains uncertain. This study aims to determine the power spectrum at different radiation temperatures using a single pixel photodetector, taking into consideration factors such as transmission spectra of alumina radiator, CaF2 collimating lens, responsivity, and measured photocurrent information of photodetectors. Utilizing predictive mathematical model, five commercial photodetectors, including Silicon, Germanium, In0.53Ga0.47As, In0.73Ga0.27As, and In0.83Ga0.17As were used to solve for the power densities as a function of wavelengths at radiation temperatures of 1000 °C and 1500 °C. The spectral irradiance of photodetectors was determined with a percentage difference of <4.9 %, presenting an accurate power density estimation for the spectrum at a wide range of radiation temperatures. Power irradiance data obtained were validated in the narrow wavelength range with 1000 nm, 1400 nm, 1500 nm, and 2000 nm bandpass filters. The reported work demonstrates a simple and efficient way which could contribute to develop a cost-effective method of measuring and determining the spectrum irradiances of objects at different radiation temperatures. This predictive analysis method hopefully intensifies the progress of efforts to reduce the reliance on complex optoelectronic instruments in accurately solving power irradiance information.
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Affiliation(s)
- Hui Jing Lee
- Electrical & Electronics Department, College of Engineering, Institute of Power Engineering, Universiti Tenaga Nasional, 43000, Kajang, Selangor, Malaysia
| | - Pin Jern Ker
- Electrical & Electronics Department, College of Engineering, Institute of Sustainable Energy, Universiti Tenaga Nasional, 43000, Kajang, Selangor, Malaysia
| | | | - Md Zaini Jamaludin
- Electrical & Electronics Department, College of Engineering, Institute of Power Engineering, Universiti Tenaga Nasional, 43000, Kajang, Selangor, Malaysia
| | - Yew Hoong Wong
- Department of Mechanical Engineering, Faculty of Engineering, Universiti Malaya, 50603, Kuala Lumpur, Malaysia
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Zhou Y, Wang C. Organic optoelectronics creating new opportunities for science and applications. FRONTIERS OF OPTOELECTRONICS 2022; 15:51. [PMID: 36637559 PMCID: PMC9790823 DOI: 10.1007/s12200-022-00052-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Indexed: 06/17/2023]
Affiliation(s)
- Yinhua Zhou
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Chengliang Wang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China.
- School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan, 430074, China.
- School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, China.
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Leng A, Weiß C, Straßner N, Hirsch A. Reversible Photoinduced Conversion of Unprecedented Norbornadiene-Based Photoswitches with Redox-Active Naphthalene Diimide Functionalities. Chemistry 2022; 28:e202201446. [PMID: 35776126 PMCID: PMC9796843 DOI: 10.1002/chem.202201446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Indexed: 01/07/2023]
Abstract
An unprecedented compound class of functional organic hybrids consisting of a photoswitchable norbornadiene building block and a redoxactive chromophore, namely naphthalene diimide, were designed and synthesized. Within these structures the capability of rylene chromophores to function as a redox active catalyst upon their photoexcitation was utilized to initiate the oxidative back-conversion of the in situ formed quadricyclane unit to its norbornadiene analogue. In this way successive photoexcitation at two different wavelengths enabled a controlled photoswitching between the two isomerical states of the hybrids. Beyond this prove of concept, the dependency of the reaction rate to the intramolecular distance of the two functional molecular building blocks as well as the concentration of the photoexcited sample was monitored. The experimental findings and interpretations were furthermore supported by quantum chemical investigations.
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Affiliation(s)
- Andreas Leng
- Department of Chemistry and PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Str. 1091058ErlangenGermany
| | - Cornelius Weiß
- Department of Chemistry and PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Str. 1091058ErlangenGermany
| | - Nina Straßner
- Department of Chemistry and PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Str. 1091058ErlangenGermany
| | - Andreas Hirsch
- Department of Chemistry and PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Str. 1091058ErlangenGermany
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