Special Issue "Novel Materials and Processes for Photovoltaic Technology"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Advanced Energy Materials".

Deadline for manuscript submissions: 1 March 2021.

Special Issue Editor

Dr. Luigi Vesce
Website
Guest Editor
CHOSE – Centre for Hybrid and Organic Solar Energy, Department of Electronic Engineering, University of Rome “Tor Vergata”, Rome, Italy
Interests: photovoltaic; nanotechnology; electronics

Special Issue Information

Photovoltaic technology is the symbol of a sustainable future in many countries around the globe. As a result, numerous investments have been made in research, development, demonstrators, and production lines. No other renewable technology has received such a strong appreciation from the public, politics, and industry. New technologies have traced the way for new materials, products, and additional market segments. Engineering, nanoscience, nanotechnology, and surface science have contributed to introducing new materials and customized processes for solar cell and to developing the sustainable energy sources scenario. In the last decades, many research institutes, companies, and consortia have demonstrated that the new concept of solar cell technology can achieve high performance, large application areas, and industrialization. There are different types of solar devices among the third generation photovoltaics that have recently emerged and their benefits and issues have been exhibited, e.g.: dye-sensitized solar cells, hybrid and organic solar cells, quantum dot solar cells, and perovskite solar cells. This Special Issue aims to be a global reference for research and industrial developments in third-generation photovoltaics. We expect to receive original or review manuscripts that can be of interest and help to researchers, experts, and entrepreneurs.

Dr. Luigi Vesce
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 papers will be 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 1800 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

  • Nanotechnology
  • Dye-sensitized solar cells
  • Hybrid and organic solar cells
  • Quantum dot solar cells
  • Perovskite solar cells
  • Third-generation photovoltaics
  • High-performing solar cells
  • Scalable solar cells
  • Stable solar cells
  • Low cost solar cells.

Published Papers

This special issue is now open for submission, see below for planned papers.

Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Dopant-Free Small Molecule HTMs for Perovskite Solar Cells: Concepts, Structures and Synthetic Methods

Authors: Mohamed H. Desoky, Matteo Bonomo, Roberto Buscaino, Andrea Fin, Guido Viscardi, Claudia Barolo and Pierluigi Quagliotto

Abstract: Since the introduction of perovskite solar cells, their photovoltaic efficiencies grew impressively reaching over 25%. Besides the exceptional efficiencies, those solar cells need to be improved to overcome some concerns, such as their intrinsic instability when exposed to humidity. In this respect, the development of new and stable Hole Transporting Materials (HTM) rose as a new hot topic. Since the doping agents for common HTM are hygroscopic, they bring water in contact with the perovskite layer deteriorating it. In the last years, the research focused on “dopant-free” HTM, inherently conductive without any addition of dopants. This review collects all most relevant organic dopant-free small molecules HTM known so far. A general introduction about the history of those HTMs was made, followed by the general classification of HTMs on the basis of their shape (1D linear, 2D star-shaped, 3D spiro-orthogonal) and of their central core. The addition of properly oxidized small molecules to HTMs was reviewed, showing that this alternative doping gives an excellent stability while avoiding the common hygroscopic doping agents. The analysis of the HTM structures was used to identify relationships between their molecular structure and the photovoltaic efficiency, useful for researchers to build better performing materials. Synthetic aspects are covered, also about the most relevant core scaffolds.

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