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Nanomaterials
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Environmental Applications of New Functional Engineering Nanomaterials
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Environmental Applications of New Functional Engineering Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Environmental Nanoscience and Nanotechnology".

Deadline for manuscript submissions: closed (20 February 2024) | Viewed by 1299

Special Issue Editors

Dr. Huinan Che

E-Mail Website
Guest Editor
Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, No.1, Xikang Road, Nanjing 210098, China
Interests: photocatalytic production of H2O2 and degradation of new pollutants
Dr. Runren Jiang

E-Mail Website
Guest Editor
Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, No.1, Xikang Road, Nanjing 210098, China
Interests: water pollution control; water purification

Special Issue Information

Dear Colleagues,

In the face of major national scientific and technological needs, aiming at the national "double carbon" and "rural revitalization" strategic goals, the environmental application and technological innovation breakthrough of new functional engineering nanomaterials for water pollution control is an important scientific and technological guarantee to fight the battle for blue water. It is important to build new methods and principles for the efficient purification of new pollutants based on solar energy and atmospheric oxygen and other green energy sources; to reveal the interaction mechanism of the three elements of process, effectiveness and mechanism of environmental chemistry of new pollutant control; to clarify the influence law and principle of action of interface characteristics and process parameters on the control of new pollutants; to quantitatively establish the structure–effect relationship of the surface interface from the microscopic scale; to solve the bottleneck problems of catalytic activity abatement, selectivity and poor stability; and to form a long-term mechanism of new pollutant treatment.

Dr. Huinan Che
Dr. Runren Jiang
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

  • environmental applications
  • engineering nanomaterials
  • photocatalytic production
  • degradation of new pollutants
  • water purification

Published Papers (1 paper)

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Research

14 pages, 3203 KiB  
Article
In Situ Fabrication of CdS/Cd(OH)2 for Effective Visible Light-Driven Photocatalysis
by Ran Chen, Liping Qian, Shengyou Xu, Shunli Wan, Minghai Ma, Lei Zhang and Runren Jiang
Nanomaterials 2023, 13(17), 2453; https://doi.org/10.3390/nano13172453 - 30 Aug 2023
Cited by 1 | Viewed by 1013
Abstract
Photocatalytic hydrogen production is a promising technology that can generate renewable energy. However, light absorption and fast electron transfer are two main challenges that restrict the practical application of photocatalysis. Moreover, most of the composite photocatalysts that possess better photocatalytic performance are fabricated [...] Read more.
Photocatalytic hydrogen production is a promising technology that can generate renewable energy. However, light absorption and fast electron transfer are two main challenges that restrict the practical application of photocatalysis. Moreover, most of the composite photocatalysts that possess better photocatalytic performance are fabricated by various methods, many of which are complicated and in which, the key conditions are hard to control. Herein, we developed a simple method to prepare CdS/Cd(OH)2 samples via an in situ synthesis approach during the photocatalytic reaction process. The optimal hydrogen generation rate of CdS/Cd(OH)2 that could be obtained was 15.2 mmol·h−1·g−1, greater than that of CdS, which generates 2.6 mmol·h−1·g−1 under visible light irradiation. Meanwhile, the CdS-3 sample shows superior HER performance during recycling tests and exhibits relatively steady photocatalytic performance in the 10 h experiment. Expanded absorption of visible light, decreased recombination possibility for photo-induced carriers and a more negative conduction band position are mainly responsible for the enhanced photocatalytic hydrogen evolution performance. Photo-induced electrons will be motivated to the conduction band of CdS under the irradiation of visible light and will further transfer to Cd(OH)2 to react with H+ to produce H2. The in situ-formed Cd(OH)2 could effectively facilitate the electron transfer and reduce the recombination possibility of photo-generated electron-hole pairs. Full article
(This article belongs to the Special Issue Environmental Applications of New Functional Engineering Nanomaterials)
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