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Applied Sciences
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Advances in Photoelectrodes for Dye-Sensitized Solar Cells
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Advances in Photoelectrodes for Dye-Sensitized Solar Cells

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (30 April 2019) | Viewed by 6555

Special Issue Editor

Dr. Andrew Nattestad

E-Mail Website
Guest Editor
C/O Intelligent Polymer Research Institute (IPRI), Australian Institute for Innovative Materials (AIIM), Bld 231, University of Wollongong, Wollongong, NSW 2522, Australia
Interests: dye-sensitised solar cell; photovoltaics; photocatalysis; waste water remediation; optoelectronics; up-conversion

Special Issue Information

Dear Colleagues,

Dye-sensitized solar cells (DSC) continue to represent an interesting area of photovoltaic research, with features making them attractive to both researchers and for large scale manufacturing. In recent years, a more radical re-thinking of the architecture has seen substantial progress in champion device efficiencies. At the same time, the inter-related nature of the device means that each of these developments re-opens the door for further developments in other components.

The photoanode is of course of the most frequently researched topics within the DSC field, yet there continue to be new developments in terms of materials and morphology as well as characterization and understanding. This Special Issue will cover some of these recent developments, highlighting the future prospects of the technology platform.

Dr. Andrew Nattestad
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. Applied Sciences 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 2400 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

  • photoelectode
  • photoanode
  • photocathode
  • semiconductor
  • solar cells
  • photovoltaics

Published Papers (2 papers)

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Research

23 pages, 4152 KiB  
Article
Electronic Properties of Electron-Deficient Zn(II) Porphyrins for HBr Splitting
by Serena Berardi, Stefano Caramori, Elisabetta Benazzi, Nico Zabini, Alessandro Niorettini, Alessio Orbelli Biroli, Maddalena Pizzotti, Francesca Tessore and Gabriele Di Carlo
Appl. Sci. 2019, 9(13), 2739; https://doi.org/10.3390/app9132739 - 6 Jul 2019
Cited by 7 | Viewed by 3233
Abstract
Two different high potential Zn(II) porphyrin designs carrying either 4 or 5 meso pentafluorophenyl moieties as electron acceptor groups and a further electron withdrawing branch inserted in either the β (1) or meso (2) position were tested in photoelectrosynthetic [...] Read more.
Two different high potential Zn(II) porphyrin designs carrying either 4 or 5 meso pentafluorophenyl moieties as electron acceptor groups and a further electron withdrawing branch inserted in either the β (1) or meso (2) position were tested in photoelectrosynthetic cells for HBr splitting. Photoaction spectra in the presence of HBr showed that red photons up to 700 nm could be harvested and converted and that 2 performed better than 1, thanks to better electronic properties of the excited state, favored by the insertion of the benzothiadiazole electron withdrawing group. Photoanodic performances in the presence of HBr, however, remained low, due to inefficient regeneration of the oxidized sensitizer as a result of an insufficient driving force for Br− oxidation. Full article
(This article belongs to the Special Issue Advances in Photoelectrodes for Dye-Sensitized Solar Cells)
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11 pages, 3029 KiB  
Article
A Comparative Study of TiO2 Paste Preparation Methods Using Solvothermally Synthesised Anatase Nanoparticles in Dye-Sensitised Solar Cells
by Kadhim Al-Attafi, Andrew Nattestad, Shi Xue Dou and Jung Ho Kim
Appl. Sci. 2019, 9(5), 979; https://doi.org/10.3390/app9050979 - 8 Mar 2019
Cited by 3 | Viewed by 3019
Abstract
Dye-sensitised solar cells continue to be a promising photovoltaic technology for indoor and outdoor applications, with increased interest in power window applications integrated into buildings. This results from properties not seen in other, more established solar technologies, such as the range of available [...] Read more.
Dye-sensitised solar cells continue to be a promising photovoltaic technology for indoor and outdoor applications, with increased interest in power window applications integrated into buildings. This results from properties not seen in other, more established solar technologies, such as the range of available colours, partial transparency and good performance under low light intensities or in partial shade. In spite of the attractiveness of this application and the commercial availability of suitable non-scattering TiO2 materials, the vast majority of new TiO2 materials being developed and reported in the literature are dried prior to being made into a paste and subsequently into photoanode films. Here, we make a detailed side-by-side comparison of different paste-forming techniques, with one yielding scattering films, and the other yielding non-scattering films. Devices utilising the organic dye D149 showed comparable performance using both approaches (6.9% photovoltaic conversion efficiency (PCE) with drying versus 6.4% PCE without drying), while the difference was slightly more marked with the dye N719 (7.7% PCE versus 6.8% PCE), suggesting that the trade-off in light harvesting required for power windows may be acceptably small. We also discuss ways by which these differences may be further decreased. Full article
(This article belongs to the Special Issue Advances in Photoelectrodes for Dye-Sensitized Solar Cells)
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