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Energies
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Recent Advances in Organic Electronics
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Recent Advances in Organic Electronics

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F3: Power Electronics".

Deadline for manuscript submissions: closed (15 December 2021) | Viewed by 4983
Submit your paper and select the Journal “Energies” and the Special Issue “Recent Advances in Organic Electronics” via: https://susy.mdpi.com/user/manuscripts/upload?journal=energies. Please contact the guest editor or the journal editor ([email protected]) for any queries.

Special Issue Editor

Dr. Joachim Vollbrecht

E-Mail Website
Guest Editor
Soft Matter Physics Group, Institute of Physics and Astronomy, University of Potsdam, 14476 Potsdam-Golm, Germany
Interests: solar cells; electroluminescence; recombination dynamics of organic photovoltaic devices; photodetectors; organic electronics; solar radiation

Special Issue Information

Dear Colleagues,

As the Guest Editor, I am inviting submissions to a Special Issue of Energies on “Recent Advances in Organic Electronics”. In recent years, new discoveries in the synthesis and characterization of organic semiconductors have accelerated the development of new types of organic electronic devices, offering a wide variety of potential applications in the future. Hopefully, this Special Issue will provide an overview of this exciting field of research, which encompasses quite different disciplines, such as organic synthesis, electrochemistry, spectroscopy, photophysics, physics of semiconductor devices, and electrical engineering, to just name a few.

Dr. Joachim Vollbrecht
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • synthesis of organic semiconductors
  • photophysics of organic semiconductors
  • organic photovoltaics
  • organic photodiodes
  • organic light-emitting devices
  • organic transistors and sensors
  • advanced characterization techniques
  • simulation of materials and devices
  • deposition and fabrication techniques
  • plastic electronics

Published Papers (2 papers)

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Research

18 pages, 6774 KiB  
Article
Non-Linear Switching Circuit for Active Voltage Rectification and Ripples Reduction of Piezoelectric Energy Harvesters
by Mahesh Edla, Yee Yan Lim, Deguchi Mikio and Ricardo Vasquez Padilla
Energies 2022, 15(3), 709; https://0-doi-org.brum.beds.ac.uk/10.3390/en15030709 - 19 Jan 2022
Cited by 4 | Viewed by 1516
Abstract
This paper describes an improved non-linear switching circuit (INLSC) for active rectification of voltage and reduction of ripples in the voltage waveform for the piezoelectric energy harvesting (PEH) system. The proposed converter controls the alternating current (AC) generated by the piezoelectric device (PD) [...] Read more.
This paper describes an improved non-linear switching circuit (INLSC) for active rectification of voltage and reduction of ripples in the voltage waveform for the piezoelectric energy harvesting (PEH) system. The proposed converter controls the alternating current (AC) generated by the piezoelectric device (PD) under mechanical vibration. The proposed circuit combines the boost and buck-boost processes through a switching process, which functions in both positive and negative cycles. In addition, it controls the voltage and frequency of the load capacitor. In this process, the passive components in the circuit are energised by being short with the AC voltage using switching signals, which facilitates the active rectification of ultra-low AC voltage. Design considerations, theoretical analysis, simulations and experimental results are presented. It was shown that the circuit was able to control the switching signal and to convert low AC voltage (0.44 Vi) to high direct current (DC) voltage (6.5 Vdc) while achieving an output power of 469 µW which outperforms the existing similar circuits and synchronous rectifier circuit. The ripples in the rectified voltage were also comparatively less. Application-wise, the proposed circuit could power a manually connected 7-segments display, commonly used for traffic applications. Full article
(This article belongs to the Special Issue Recent Advances in Organic Electronics)
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16 pages, 1020 KiB  
Article
Effects of Recombination Order on Open-Circuit Voltage Decay Measurements of Organic and Perovskite Solar Cells
by Joachim Vollbrecht and Viktor V. Brus
Energies 2021, 14(16), 4800; https://0-doi-org.brum.beds.ac.uk/10.3390/en14164800 - 06 Aug 2021
Cited by 12 | Viewed by 2818
Abstract
Non-geminate recombination, as one of the most relevant loss mechanisms in organic and perovskite solar cells, deserves special attention in research efforts to further increase device performance. It can be subdivided into first, second, and third order processes, which can be elucidated by [...] Read more.
Non-geminate recombination, as one of the most relevant loss mechanisms in organic and perovskite solar cells, deserves special attention in research efforts to further increase device performance. It can be subdivided into first, second, and third order processes, which can be elucidated by the effects that they have on the time-dependent open-circuit voltage decay. In this study, analytical expressions for the open-circuit voltage decay exhibiting one of the aforementioned recombination mechanisms were derived. It was possible to support the analytical models with experimental examples of three different solar cells, each of them dominated either by first (PBDBT:CETIC-4F), second (PM6:Y6), or third (irradiated CH3NH3PbI3) order recombination. Furthermore, a simple approach to estimate the dominant recombination process was also introduced and tested on these examples. Moreover, limitations of the analytical models and the measurement technique itself were discussed. Full article
(This article belongs to the Special Issue Recent Advances in Organic Electronics)
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