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Perovskites and Perovskite Solar Cells
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Perovskites and Perovskite Solar Cells

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Physical Chemistry".

Deadline for manuscript submissions: closed (31 July 2019) | Viewed by 3455

Special Issue Editor

Prof. Dr. Kun-Mu Lee

E-Mail Website
Guest Editor
Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan City 33302, Taiwan
Interests: perovskite solar cells; dye-sensitized solar cells and modules; electrochemistry; photodetector; X-ray image sensor
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Recent discoveries have revealed a breakthrough in organometal perovskites photovoltaics. While the biggest advances in performance thus far have arisen from the optimization of perovskite materials, additives, and deposition techniques, understanding the role of interfaces in the device is crucial to maximizing the performance of the system. The outstanding optoelectronic performance is truly attractive; however, stability issues are also the crucial for the success of commercial applications. 

This Special Issue will provide a forum to disseminate new developments of perovskite solar cells such as new composition perovskite materials or fabrication processes of perovskite layers, electron transport layers, and organic/inorganic hole transport layers. The properties and their treatment in perovskite solar cell interfaces such as protective layers, grain/interface passivation, and stability issues also welcome.

Prof. Dr. Kun-Mu Lee
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. Molecules 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 2700 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 crystal and interface
  • Low-dimensional perovskites
  • Solvent control process
  • Perovskite solar cells
  • Hole transport layer
  • Electron transport layer
  • Interface modification
  • Large area and module
  • Stability
  • Additives

Published Papers (1 paper)

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Research

14 pages, 3964 KiB  
Article
The Role of Thickness Control and Interface Modification in Assembling Efficient Planar Perovskite Solar Cells
by Weifu Sun, Kwang-Leong Choy and Mingqing Wang
Molecules 2019, 24(19), 3466; https://doi.org/10.3390/molecules24193466 - 24 Sep 2019
Cited by 17 | Viewed by 2928
Abstract
Perovskite solar cells (PSCs) have achieved tremendous success within just a decade. This success is critically dependent upon compositional engineering, morphology control of perovskite layer, or contingent upon high-temperature annealed mesoporous TiO2, but quantitative analysis of the role of facile TiCl [...] Read more.
Perovskite solar cells (PSCs) have achieved tremendous success within just a decade. This success is critically dependent upon compositional engineering, morphology control of perovskite layer, or contingent upon high-temperature annealed mesoporous TiO2, but quantitative analysis of the role of facile TiCl4 treatment and thickness control of the compact TiO2 layer has not been satisfactorily undertaken. Herein, we report the facile thickness control and post-treatment of the electron transport TiO2 layer to produce highly efficient planar PSCs. TiCl4 treatment of TiO2 layer could remove the surface trap and decrease the charge recombination in the prepared solar cells. Introduction of ethanol into the TiCl4 aqueous solution led to further improved open-circuit voltage and short-circuit current density of the related devices, thus giving rise to enhanced power conversion efficiency (PCE). After the optimal TiCl4 treatment, PCE of 16.42% was achieved for PSCs with TiCl4 aqueous solution-treated TiO2 and 19.24% for PSCs with TiCl4 aqueous/ethanol solution-treated TiO2, respectively. This work sheds light on the promising potential of simple planar PSCs without complicated compositional engineering and avoiding the deposition and optimization of the mesoporous scaffold layer. Full article
(This article belongs to the Special Issue Perovskites and Perovskite Solar Cells)
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