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Crystals
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Advances of Metal Halide Perovskite Devices
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Advances of Metal Halide Perovskite Devices

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Organic Crystalline Materials".

Deadline for manuscript submissions: closed (20 April 2022) | Viewed by 7020

Special Issue Editors

Dr. Wei-Chun Lin

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Guest Editor
Department of Photonics, National Sun Yat-sen University, No. 70 Lien-hai Road, Kaohsiung 80424, Taiwan
Interests: perovskite solar cells; 3D printing; surface analysis; organic electronics
Dr. Yi-Hsin Chien

E-Mail Website
Guest Editor
Department of Material Science and Engineering, Feng Chia University, Taichung 40724, Taiwan
Interests: pervoskite quatum dots fabrication and thier applications; nanomaterials architectural design; optical sensing technique
Dr. Hsiang-Chiu Wu

E-Mail
Guest Editor
Department of Mechanical Engineering, National Chung Cheng University, Chiayi 621301, Taiwan
Interests: bio-medical microfluidic chip; gas sensor and system development; organic electronic device and fabrication; semiconductor device and fabrication; mechanical design and mechatronics
Dr. Po-Kang Yang

E-Mail Website
Guest Editor
Department of Biomedical Sciences and Engineering, National Central University, Chung-li 32001, Taiwan
Interests: nano materials; intelligent sensing; energy technology; soft electronics; semiconductor components
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Perovskite optoelectronics make up one of the most exhilarating directions in research today, and multidisciplinary collaborations are having an impact on energy technology. The perovskite-related topics are rapidly becoming a new paradigm in diverse applications, such as photovoltaics, light-emitting diodes, lasers, photodetectors, quantum dots and other optoelectronic devices. The fundament physics and chemistry of perovskite materials are the key factors leading to successful commercialization. The topics covered here include materials synthesis, characterization and engineering, interface characterization and energy band engineering, solar cell device improvements, light-emitting diodes and photodetectors fabrication, discussions in crystals stability. In particular, we are interested in manuscripts detailing new solutions to improve the stability of different types of perovskites crystals compatible with established technologies.

Dr. Wei-Chun Lin
Dr. Yi-Hsin Chien
Dr. Hsiang-Chiu Wu
Dr. Po-Kang Yang
Guest Editors

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. Crystals is an international peer-reviewed open access monthly 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 2100 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

  • Perovskite solar cell
  • Perovskite light-emitting diode
  • Perovskite laser
  • Perovskite photodetectors
  • Perovskite quantum dots
  • Surface/interface characterization based on perovskite
  • Stability
  • Perovskite optoelectronics
  • Perovskite crystal
  • Mixed halide perovskite

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Published Papers (2 papers)

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Research

10 pages, 2674 KiB  
Article
The Effect of Annealing on the Optoelectronic Properties and Energy State of Amorphous Pyrochlore Y2Ti2O7 Thin Layers by Sol–Gel Synthesis
by Hsiang-An Ting, Yong-Yu Chen, Zong-Ming Li, Ya-Ping Hsieh, Sheng-Kuei Chiu and Chu-Chi Ting
Crystals 2022, 12(4), 564; https://doi.org/10.3390/cryst12040564 - 18 Apr 2022
Cited by 3 | Viewed by 2694
Abstract
Pyrochlore titanate (Y2Ti2O7) is a promising material for a wide range of applications in optoelectronics and photocatalysis due to its advantageous chemical, mechanical, and optical properties. To enhance its potential for such uses, however, a high-quality and [...] Read more.
Pyrochlore titanate (Y2Ti2O7) is a promising material for a wide range of applications in optoelectronics and photocatalysis due to its advantageous chemical, mechanical, and optical properties. To enhance its potential for such uses, however, a high-quality and scalable synthesis method is required. We here investigate the crystallization of sol–gel produced Y2Ti2O7 layers. We observe a transition of the amorphous pyrochlore phase at annealing temperatures below 700 °C. The transmittances of the Y2Ti2O7 thin layers annealed at 400 to 700 °C are approximately 92.3%. The refractive indices and packing densities of Y2Ti2O7 thin layers annealed at 400–700 °C/1 h vary from 1.931 to 1.954 and 0.835 to 0.846, respectively. The optical bandgap energies of Y2Ti2O7 thin layers annealed at 400–700 °C/1 h reduce from 4.356 to 4.319 eV because of the Moss–Burstein effect. These good electronic and optical properties make Y2Ti2O7 thin layers a promising host material for many potential applications. Full article
(This article belongs to the Special Issue Advances of Metal Halide Perovskite Devices)
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10 pages, 1895 KiB  
Article
Study on Optical and Electrical Properties of Thermally Evaporated Tin Oxide Thin Films for Perovskite Solar Cells
by Wen-Man Bin, Wen-Han Huang, Wei-Chun Lin and Hyeonseok Lee
Crystals 2021, 11(11), 1380; https://doi.org/10.3390/cryst11111380 - 12 Nov 2021
Cited by 10 | Viewed by 3293
Abstract
Perovskite solar cells were fabricated with SnO2 thin films as a window layer and electron transport layer by thermal evaporation. Fundamental characteristics of SnO2 thin films to determine the performance of solar cells were investigated in an optical and electrical manner, [...] Read more.
Perovskite solar cells were fabricated with SnO2 thin films as a window layer and electron transport layer by thermal evaporation. Fundamental characteristics of SnO2 thin films to determine the performance of solar cells were investigated in an optical and electrical manner, varying annealing temperatures. It is found the crystallinity and the presence of localized energy states play a key factor to control the properties of SnO2. In addition, XPS was used to confirm the stoichiometry of the SnO2 thin films, indicating a better charge collection on the annealed SnO2 samples. The SnO2 thin films annealed at 300 °C exhibited desirable optical and electrical properties for the enhanced performance of solar cells. The results show that thermally evaporated SnO2 thin films can be precisely engineered and controlled for mass production and more practical industrialization of perovskite solar cells. Full article
(This article belongs to the Special Issue Advances of Metal Halide Perovskite Devices)
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