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Crystals
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Organic Inorganic Hybrid Perovskite Solar Cells
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Organic Inorganic Hybrid Perovskite Solar Cells

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: closed (21 June 2021) | Viewed by 25103

Special Issue Editors

Dr. Adrian Kitai

E-Mail Website
Guest Editor
Department of Engineering Physics, McMaster University, Hamilton, ON L8S 4L8, Canada
Interests: light-emitting solid state materials and devices; photoluminescent and electroluminescent phosphor materials and devices; electroluminescent nanostructured composite materials and devices; light-emitting diodes; digital displays; lighting systems
Prof. Dr. Gu Xu

E-Mail Website
Guest Editor
Fellow of Canadian Academy of Engineering (FCAE), Ottawa, ON K1P 6L5, Canada
Interests: crystalline materials; X-ray diffraction methods; electronic organic/polymeric materials/devices; fuel cells

Special Issue Information

Dear Colleagues,

Organic–inorganic hybrid perovskite solar cells (PSCs) have been considered as promising candidates for the next generation of photovoltaics (PV). The power conversion efficiency (PCE) of a single junction PSC has achieved a maximum of 25.2% within only one decade, already rivaling other existing PV materials such as silicon and GaAs. The superior performance of PSC could be attributed to its long diffusion length, excellent absorption property, ad high defect tolerance, etc. While PSCs have inspired a new era for photovoltaic development, they have also exhibited severe environmental instability problems, i.e., their PCE decaying to nil within only days in ambient conditions, thereby limiting their applications.

This Special Issue focuses on recent developments in perovskite instability problems. We would like to invite you to submit your original research articles and reviews to this Special Issue.

Dr. Adrian Kitai
Prof. Dr. Gu Xu
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

  • New perovskites
  • Low-dimensional perovskites
  • Perovskite quantum dots
  • Single crystal
  • Perovskite hybridization
  • Device optimization
  • Film fabrication

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Published Papers (5 papers)

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Editorial

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2 pages, 147 KiB  
Editorial
Organic Inorganic Hybrid Perovskite Solar Cells
by Ryan T. Wang and Gu Xu
Crystals 2021, 11(10), 1171; https://doi.org/10.3390/cryst11101171 - 27 Sep 2021
Cited by 2 | Viewed by 2171
Abstract
Much progress has been achieved in the commercialization of solar devices, especially perovskite solar cells, which have shown excellent transport properties and low fabrication costs [...] Full article
(This article belongs to the Special Issue Organic Inorganic Hybrid Perovskite Solar Cells)

Research

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8 pages, 1639 KiB  
Article
1D Perovskitoid as Absorbing Material for Stable Solar Cells
by Fan Xu, Yujing Li, Na Liu, Ying Han, Meishuai Zou and Tinglu Song
Crystals 2021, 11(3), 241; https://doi.org/10.3390/cryst11030241 - 27 Feb 2021
Cited by 18 | Viewed by 3047
Abstract
The instabilities of perovskite solar cells hinder their commercialisation. To resolve this problem, a one-dimensional (1D) perovskitoid, PyPbI3, was fabricated, and its structure and photovoltaic performance were investigated in this work. XPS and FTIR results suggest hydrogen bonds existed in the [...] Read more.
The instabilities of perovskite solar cells hinder their commercialisation. To resolve this problem, a one-dimensional (1D) perovskitoid, PyPbI3, was fabricated, and its structure and photovoltaic performance were investigated in this work. XPS and FTIR results suggest hydrogen bonds existed in the 1D hexagonal PyPbI3. Stability measurements indicate that 1D perovskitoid is much more stable than the commonly employed FA-based perovskite. In addition, solar cells adopting PyPbI3 as an absorbing layer led to a device lifetime of one month. Our results suggest that 1D perovskitoid has great potential to be employed in solar cells. Full article
(This article belongs to the Special Issue Organic Inorganic Hybrid Perovskite Solar Cells)
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8 pages, 3792 KiB  
Article
An Environmentally Stable Organic–Inorganic Hybrid Perovskite Containing Py Cation with Low Trap-State Density
by Alex Fan Xu, Ryan Taoran Wang, Lory Wenjuan Yang, Elton Enchong Liu and Gu Xu
Crystals 2020, 10(4), 272; https://doi.org/10.3390/cryst10040272 - 2 Apr 2020
Cited by 9 | Viewed by 3102
Abstract
The commonly-employed methylammonium-based perovskites are environmentally unstable, which limits their commercialization. To resolve this problem, a stable hybrid perovskite, pyrrolidinium lead iodide (PyPbI3), was synthesized successfully via a simple drop casting method. The formed PyPbI3 exhibited a hexagonal structure. It [...] Read more.
The commonly-employed methylammonium-based perovskites are environmentally unstable, which limits their commercialization. To resolve this problem, a stable hybrid perovskite, pyrrolidinium lead iodide (PyPbI3), was synthesized successfully via a simple drop casting method. The formed PyPbI3 exhibited a hexagonal structure. It presented not only excellent phase stability, but also low trap-state density, as confirmed via the X-ray diffraction and space-charge-limited currents measurements. This novel perovskite may be applicable to perovskite photovoltaics to improve their environmental stability. Full article
(This article belongs to the Special Issue Organic Inorganic Hybrid Perovskite Solar Cells)
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8 pages, 3808 KiB  
Article
Improving Linear Range Limitation of Non-Enzymatic Glucose Sensor by OH− Concentration
by Lory Wenjuan Yang, Elton Enchong Liu, Alex Fan Xu, Jason Yuanzhe Chen, Ryan Taoran Wang and Gu Xu
Crystals 2020, 10(3), 186; https://doi.org/10.3390/cryst10030186 - 9 Mar 2020
Cited by 12 | Viewed by 3738
Abstract
The linear range of the non-enzymatic glucose sensor is usually much smaller than the glucose level of diabetic patients, calling for an effective solution. Despite many previous attempts, none have solved the problem. Such a challenge has now been conquered by raising the [...] Read more.
The linear range of the non-enzymatic glucose sensor is usually much smaller than the glucose level of diabetic patients, calling for an effective solution. Despite many previous attempts, none have solved the problem. Such a challenge has now been conquered by raising the NaOH concentration in the electrolyte, where amperometry, X-ray diffraction, Fourier-transform infrared spectroscopy, and Nuclear magnetic resonance measurements have been conducted. The linear range has been successfully enhanced to 40 mM in 1000 mM NaOH solution, and it was also found that NaOH affected the degree of glucose oxidation, which influenced the current response during sensing. It was expected that the alkaline concentration must be 25 times higher than the glucose concentration to enhance the linear range, much contrary to prior understanding. Full article
(This article belongs to the Special Issue Organic Inorganic Hybrid Perovskite Solar Cells)
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Review

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28 pages, 4355 KiB  
Review
Recent Advances and Challenges in Halide Perovskite Crystals in Optoelectronic Devices from Solar Cells to Other Applications
by Seunghyun Rhee, Kunsik An and Kyung-Tae Kang
Crystals 2021, 11(1), 39; https://doi.org/10.3390/cryst11010039 - 31 Dec 2020
Cited by 27 | Viewed by 12154
Abstract
Organic-inorganic hybrid perovskite materials have attracted tremendous attention as a key material in various optoelectronic devices. Distinctive optoelectronic properties, such as a tunable energy band position, long carrier diffusion lengths, and high charge carrier mobility, have allowed rapid progress in various perovskite-based optoelectronic [...] Read more.
Organic-inorganic hybrid perovskite materials have attracted tremendous attention as a key material in various optoelectronic devices. Distinctive optoelectronic properties, such as a tunable energy band position, long carrier diffusion lengths, and high charge carrier mobility, have allowed rapid progress in various perovskite-based optoelectronic devices (solar cells, photodetectors, light emitting diodes (LEDs), and lasers). Interestingly, the developments of each field are based on different characteristics of perovskite materials which are suitable for their own applications. In this review, we provide the fundamental properties of perovskite materials and categorize the usages in various optoelectronic applications. In addition, the prerequisite factors for those applications are suggested to understand the recent progress of perovskite-based optoelectronic devices and the challenges that need to be solved for commercialization. Full article
(This article belongs to the Special Issue Organic Inorganic Hybrid Perovskite Solar Cells)
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