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Sustainable Solar Energy: Thermal and Photovoltaic Uses

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Engineering and Science".

Deadline for manuscript submissions: 13 September 2026 | Viewed by 1000

Editors


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Guest Editor
Institute of Physics Rosario, CONICET—National University of Rosario, Rosario 2000, Argentina
Interests: atmospheric physics (mainly related to ozone and aerosols); solar radiation (mainly related to global and UV components and to solar energy use); climate change
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Energy Enginering Program, Universidad Nacional de San Martín, Campus Miguelete, 25 de Mayo y Francia, San Martín, Buenos Aires 1650, Argentina
Interests: energy and studies of sustainability; uses of new technologies in the teaching of science; nuclear astrophysics

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Guest Editor
Departamento de Física, Facultad de Ciencias Exactas, Consejo de Investigaciones de la, Universidad Nacional de Salta (CIUNSa), Salta C.P. 4400, Argentina
Interests: solar drying; solar cooling; solar radiation

Special Issue Information

Dear Colleagues,

Environmental sustainability applied to human activities is mainly based on the efficient use of renewable natural resources (air, water, soil, flora, and fauna) and reduction in waste and contaminants to a minimum—if possible, to zero by artificial resource replacement (such as the exchange of plastic for wood)—given that sustainable energy sources are fundamental to maintaining and developing human life on Earth.

In this Special Issue, we propose extending the usual analysis of solar energy used for heat and electricity production to include sustainability practices. This means that, other than the fact that solar energy is renewable—a basic criterion to be sustainable—special care must be taken in the analysis of greenhouse gases emissions during the production and/or use of this energy source due to their significant effects on climate change. Moreover, the energy efficiency of solar equipment systems or systems as a whole (solar equipment in addition to where solar energy is employed, for instance, such as houses, industries, farms, etc.) must be considered.

Possible topics could include the following:

  • Sustainable thermal solar energy use;
  • Sustainable photovoltaic solar energy use;
  • Energy efficiency included in solar equipment and/or in entire systems;
  • Hybrid renewable energy systems, including those for solar energy;
  • Evaluations of greenhouse gas emissions related to the abovementioned topics.

Prof. Dr. Rubén D. Piacentini
Prof. Dr. Salvador Gil
Prof. Dr. Víctor José Passamai
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability 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

  • sustainability
  • solar
  • thermal
  • photovoltaic
  • efficiency
  • hybrid
  • renewable
  • greenhouse gases
  • climate change

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Published Papers (1 paper)

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Research

20 pages, 3343 KB  
Article
Modulating Band Structure and Charge-Carrier Dynamics in MoS2/ZnIn2S4 Heterojunction Composites for High-Efficiency Photocatalytic H2 Production
by Jinrong Yang, Jingrui Duan, Wen Luo, Yang Wu and Yifan Zhang
Sustainability 2026, 18(9), 4363; https://doi.org/10.3390/su18094363 - 28 Apr 2026
Viewed by 653
Abstract
The high demand for fossil fuels in human activities and industrial production has intensified environmental pollution, global warming, and energy shortages, making the development of alternative energy and energy-storage technologies imperative. Among these approaches, photocatalytic conversion of solar energy into hydrogen is regarded [...] Read more.
The high demand for fossil fuels in human activities and industrial production has intensified environmental pollution, global warming, and energy shortages, making the development of alternative energy and energy-storage technologies imperative. Among these approaches, photocatalytic conversion of solar energy into hydrogen is regarded as a sustainable solution to the energy and environmental crises. However, the rapid recombination of photogenerated charge carriers and the lack of effective active sites severely limit photocatalytic performance. To address these challenges, heterojunction engineering is often employed to suppress electron-hole recombination and enhance photocatalytic H2 evolution efficiency. A MoS2/ZnIn2S4 heterojunction was constructed via the in situ growth of MoS2 nanorods on the surface of ZnIn2S4. The introduction of MoS2 not only broadens the light-absorption range of ZnIn2S4, but also suppresses the recombination of photogenerated charge carriers, thereby significantly enhancing the photocatalytic H2 evolution performance of ZnIn2S4. The optimal MoS2 loading was 30 wt%, at which the photocatalytic H2 evolution rate reached 11.52 mmol·g−1·h−1, nearly 2.5 times that of pure MoS2. In addition, the catalyst maintained nearly unchanged activity after five consecutive cycles, indicating good stability and that photocorrosion was effectively suppressed in the presence of sacrificial reagents. The heterojunction formed between MoS2 and ZnIn2S4 shortens the charge-transfer pathway and improves the separation efficiency of photogenerated electrons and holes, thereby suppressing charge-carrier recombination and accelerating the photocatalytic H2 evolution re photocorrosion action. Full article
(This article belongs to the Special Issue Sustainable Solar Energy: Thermal and Photovoltaic Uses)
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