Special Issue "Advances in Novel Solar Energy Nanomaterials and Technical Applications"

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Solar Energy and Solar Cells".

Deadline for manuscript submissions: 20 March 2024 | Viewed by 2816

Special Issue Editors

1. Department of Materials Science, School of Science and Technology, NOVA University of Lisbon, 2829-516 Caparica, Portugal
2. Centre of Excellence in Microelectronics and Optoelectronics Processes of the Institute of New Technologies, CEMOP/UNINOVA, 2829-516 Caparica, Portugal
Interests: functional nanomaterials; paper electronics; advanced functional materials; thin film solar cells; nanotechnologies
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Special Issue Information

Dear Colleagues,

It is with great pleasure that we invite you to submit your work to this Special Issue concerning “Advances in Solar Energy Nanomaterials and Technical Applications”.

Micro/nanostructured materials have played a fundamental role in the increase in photovoltaic solar cells’ efficiency in recent years. Examples are plasmonic enhancement, reflection enhancement, light scattering, and enhanced carrier collection efficiency, among others. One reason for this is that micro-/nanostructures are able to significantly enhance light harvesting in the near infrared or infrared region of the solar spectrum. On the other hand, the incorporation of nanoparticles in solar cells has led to the development of several novel concept cells that have a disruptive importance in the PV field, such as perovskite solar cells, quantum dot solar cells, intermediate band solar cells, epitaxial solar cells, nanowire solar cells, organic heterojunction solar cells, dye-sensitized solar cells, quantum dots, and up and down converters. Additionally, solution-processed solar cells incorporating nanostructures have allowed us to improve the performance of solar cells, as well as allowing cells to be made flexibe and be mass produced via roll to roll techniques.This Special Issue aims to be a comprehensive collection of works related to the improved performance of photovoltaic solar cells through the application of micro/nanostructures and micro/nanomaterials in solar cell fabrication. Therefore, we invite authors to contribute with original research articles and review articles covering the current progress in solar cells. Potential topics include but are not limited to:

  • Quantum dot solar cells and photonic devices;
  • Perovskite solar cells and devices;
  • Dye-sensitized solar cells;
  • Nanowire solar cells;
  • Epitaxial solar cells;
  • Hybrid solar cells;
  • Thin film solar cells, including thin film silicon, and compond solar cells based on nanostructures;
  • Nanostructured crystalline silicon solar cells;
  • Litght-harvesting and -trapping enhancers;
  • Up and down converters;
  • Solution processed solar cells.

Prof. Dr. Rodrigo Martins
Dr. Hugo Aguas
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. Nanomaterials 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 2900 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

  • photovolatics
  • solar cells
  • nanomaterials
  • nanostructures
  • light harvesting
  • light management
  • plasmonic
  • interface engineering
  • carrier multiplication

Published Papers (2 papers)

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Research

Article
Towards All-Non-Vacuum-Processed Photovoltaic Systems: A Water-Based Screen-Printed Cu(In,Ga)Se2 Photoabsorber with a 6.6% Efficiency
Nanomaterials 2023, 13(13), 1920; https://doi.org/10.3390/nano13131920 - 23 Jun 2023
Viewed by 725
Abstract
During the last few decades, major advances have been made in photovoltaic systems based on Cu(In,Ga)Se2 chalcopyrite. However, the most efficient photovoltaic cells are processed under high-energy-demanding vacuum conditions. To lower the costs and facilitate high-throughput production, printing/coating processes are proving to [...] Read more.
During the last few decades, major advances have been made in photovoltaic systems based on Cu(In,Ga)Se2 chalcopyrite. However, the most efficient photovoltaic cells are processed under high-energy-demanding vacuum conditions. To lower the costs and facilitate high-throughput production, printing/coating processes are proving to be effective solutions. This work combined printing, coating, and chemical bath deposition processes of photoabsorber, buffer, and transparent conductive layers for the development of solution-processed photovoltaic systems. Using a sustainable approach, all inks were formulated using water and ethanol as solvents. Screen printing of the photoabsorber on fluorine-doped tin-oxide-coated glass followed by selenization, chemical bath deposition of the cadmium sulfide buffer, and final sputtering of the intrinsic zinc oxide and aluminum-doped zinc oxide top conductive layers delivered a 6.6% maximum efficiency solar cell, a record for screen-printed Cu(In,Ga)Se2 solar cells. On the other hand, the all-non-vacuum-processed device with spray-coated intrinsic zinc-oxide- and tin-doped indium oxide top conductive layers delivered a 2.2% efficiency. The given approaches represent relevant steps towards the fabrication of sustainable and efficient Cu(In,Ga)Se2 solar cells. Full article
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Article
Parylene-Sealed Perovskite Nanocrystals Down-Shifting Layer for Luminescent Spectral Matching in Thin Film Photovoltaics
Nanomaterials 2023, 13(1), 210; https://doi.org/10.3390/nano13010210 - 03 Jan 2023
Viewed by 1758
Abstract
The present contribution aims to enhance solar cells’ performance via the development of advanced luminescent down-shifting based on encapsulated nanostructured perovskite materials. Here, thin films of inorganic lead halide (CsPbBr3) perovskite nanocrystal luminophores were synthetized, by hot-injection, deposited on glass substrates [...] Read more.
The present contribution aims to enhance solar cells’ performance via the development of advanced luminescent down-shifting based on encapsulated nanostructured perovskite materials. Here, thin films of inorganic lead halide (CsPbBr3) perovskite nanocrystal luminophores were synthetized, by hot-injection, deposited on glass substrates by spin-coating, and encapsulated with parylene type C, via chemical vapor deposition, to protect and stabilize the films. The optical properties of these thin films were characterized by absorption, emission and 2D contour spectra, their structure by X-ray diffraction and X-ray photoelectron spectroscopy, and the morphology by Scanning Transmission Electron microscopy. I–V curve and spectral response nanocrystalline silicon photovoltaic (nc-Si:H PV) cells were studied in the absence and presence of the perovskite and parylene luminescent down-shifting layers. The incorporation of the CsPbBr3 nanocrystals and their encapsulation with the parylene type C polymeric coating led to an increase in the current generated and the spectral response of the PV cells in the regime of the nanocrystals’ fluorescence emission. A 3.1% increase in the short circuit current density and a 5.6% increase in the power conversion efficiency were observed. Full article
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