Organic Optocoupler with Simple Construction as an Effective Linear Current Transceiver.

Jaroslaw Jung, Arkadiusz Selerowicz, Jacek Ulanski, Ruslana Udovytska, Beata Luszczynska, Artur Zawadzki, Andrzej Rybak

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Article in Materials (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Jaroslaw JungDepartment of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Str., 90-924 Lodz, Poland.ORCID 0000-0001-6081-5605

Arkadiusz SelerowiczDepartment of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Str., 90-924 Lodz, Poland.

Jacek UlanskiDepartment of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Str., 90-924 Lodz, Poland.

Ruslana UdovytskaDepartment of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Str., 90-924 Lodz, Poland.

Beata LuszczynskaDepartment of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, 116 Zeromskiego Str., 90-924 Lodz, Poland.

Artur ZawadzkiABB Corporate Technology Center, 13A Starowislna Str., 31-038 Krakow, Poland.ORCID 0000-0002-7690-8600

Andrzej RybakABB Corporate Technology Center, 13A Starowislna Str., 31-038 Krakow, Poland.ORCID 0000-0003-3619-8621

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this study, it is shown that an efficient organic optocoupler (OPC) can be fabricated using commercially available and solution-processable organic semiconductors. The transmitter is a single-active-layer organic light-emitting diode (OLED) made from a well-known polyparavinylene derivative, Super Yellow. The receiver is an organic light-emitting diode (OLSD) with a single active layer consisting of a mixture of the polymer donor PTB7-Th and the low-molecular-weight acceptor ITIC; the receiver operates without an applied reverse voltage. OLED and OLSD have the same geometry and simple structure without any interlayers: glass/ITO/PEDOT:PSS/(active layer)/Ca/Al; the OPC is formed by OLED and OLSD which adhere tightly to each other. Despite its simple structure, the OPC showed a current transfer ratio of 0.13%, good linearity, and good dynamic performance: a three-decibel cutoff frequency of 170 kHz and response times to a step change in current at the OPC input of 2 μs. Compared to most organic OPC devices with similar performance parameters, where the transmitter and receiver have complex structures with additional interlayers between the active layers and electrodes and the need to apply a reverse voltage to the receiver, the simple design of our OPC reduces the number of fabrication steps and greatly simplifies the device fabrication process.

Indexed as

DC and AC propertiesorganic optocouplershort circuited organic photodetector

Identifiers

PMID39795797

DOI10.3390/ma18010152

PMCPMC11722434

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LicenceCC BY

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.