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Nanomaterials
Special Issues
Hydrogen Production and Energy Harvesters Based on Advanced Nanostructures
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Special Issue "Hydrogen Production and Energy Harvesters Based on Advanced Nanostructures"

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

Deadline for manuscript submissions: closed (30 July 2022) | Viewed by 2790

Special Issue Editor

Prof. Dr. Jyh-Ming Wu

E-Mail Website
Guest Editor
Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 300, Taiwan
Interests: hydrogen production; piezoelectric materials; piezocatalysis; nanogenerator; 2D materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Among renewable energy, hydrogen productions, solar energy, and irregular mechanical energy-induced chemical energy and electricity have been attracted to the application of portable devices and backup power systems.

Based on advanced nanomaterials, this Special Issue focuses on diverse energy harvesters, such as hydrogen evolution reaction, piezoelectric and triboelectric nanogenerators, piezocatalysis, photocatalysis, and surface modifications of materials. We are pleased to invite you to submit your original research articles or comprehensive reviews on these topics, but not limited to the topics mentioned above.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but not be limited to) the following:

  • Hydrogen evolution reaction;
  • Piezoelectric nanogenerator;
  • Triboelectric nanogenerator;
  • Piezocatalysis;
  • Photocatalysis;
  • Novel mechanism of catalysis.

I look forward to receiving your contributions.

Prof. Dr. Jyh-Ming Wu
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. 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 2600 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

  • Energy harvesting
  • Hydrogen evolution
  • Nanogenerator
  • Photocatalysis
  • Piezocatalysis

Published Papers (2 papers)

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Article
Photocatalytic Hydrogen Production from Aqueous Solutions of Glucose and Xylose over Layered Perovskite-like Oxides HCa2Nb3O10, H2La2Ti3O10 and Their Inorganic-Organic Derivatives
by
Sergei A. Kurnosenko
,
Vladimir V. Voytovich
,
Oleg I. Silyukov
,
Ivan A. Rodionov
and
Irina A. Zvereva
Nanomaterials 2022, 12(15), 2717; https://doi.org/10.3390/nano12152717 - 07 Aug 2022
Cited by 2 | Viewed by 907
Abstract
Nowadays, the efficient conversion of plant biomass components (alcohols, carbohydrates, etc.) into more energy-intensive fuels, such as hydrogen, is one of the urgent scientific and technological problems. The present study is the first one focused on the photoinduced hydrogen evolution from aqueous D-glucose [...] Read more.
Nowadays, the efficient conversion of plant biomass components (alcohols, carbohydrates, etc.) into more energy-intensive fuels, such as hydrogen, is one of the urgent scientific and technological problems. The present study is the first one focused on the photoinduced hydrogen evolution from aqueous D-glucose and D-xylose using layered perovskite-like oxides HCa2Nb3O10, H2La2Ti3O10, and their organically modified derivatives that have previously proven themselves as highly active photocatalysts. The photocatalytic performance was investigated for the bare compounds and products of their surface modification with a 1 mass. % Pt cocatalyst. The photocatalytic experiments followed an innovative scheme including dark stages as well as the control of the reaction suspension’s pH and composition. The study has revealed that the inorganic−organic derivatives of the layered perovskite-like oxides can provide efficient conversion of carbohydrates into hydrogen fuel, being up to 8.3 times more active than the unmodified materials and reaching apparent quantum efficiency of 8.8%. Based on new and previously obtained data, it was shown that the oxides’ interlayer space functions as an additional reaction zone in the photocatalytic hydrogen production and the contribution of this zone to the overall activity is dependent on the steric characteristics of the sacrificial agent used. Full article
(This article belongs to the Special Issue Hydrogen Production and Energy Harvesters Based on Advanced Nanostructures)
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Article
α-Fe2O3 Nanoparticles Aided-Dual Conversion for Self-Powered Bio-Based Photodetector
by
Ishita Chakraborty
,
Sz-Nian Lai
,
Jyh-Ming Wu
and
Chao-Sung Lai
Nanomaterials 2022, 12(7), 1147; https://doi.org/10.3390/nano12071147 - 30 Mar 2022
Cited by 3 | Viewed by 1184
Abstract
Eco-friendly energy harvesting from the surrounding environment has been triggered extensive researching enthusiasm due to the threat of global energy crisis and environmental pollutions. By the conversion of mechanical energy that is omnipresent in our environment into electrical energy, triboelectric nanogenerator (TENG) can [...] Read more.
Eco-friendly energy harvesting from the surrounding environment has been triggered extensive researching enthusiasm due to the threat of global energy crisis and environmental pollutions. By the conversion of mechanical energy that is omnipresent in our environment into electrical energy, triboelectric nanogenerator (TENG) can potentially power up small electronic devices, serves as a self-powered detectors and predominantly, it can minimize the energy crisis by credibly saving the traditional non-renewable energy. In this study, we present a novel bio-based TENG comprising PDMS/α-Fe2O3 nanocomposite film and a processed human hair-based film, that harvests the vibrating energy and solar energy simultaneously by the integration of triboelectric technology and photoelectric conversion techniques. Upon illumination, the output voltage and current signals rapidly increased by 1.4 times approximately, compared to the dark state. Experimental results reveal that the photo-induced enhancement appears due to the effective charge separation depending on the photosensitivity of the hematite nanoparticles (α-Fe2O3 nanoparticles) over the near ultraviolet (UV), visible and near infrared (IR) regions. Our work provides a new approach towards the self-powered photo-detection, while developing a propitious green energy resource for the circular bio-economy. Full article
(This article belongs to the Special Issue Hydrogen Production and Energy Harvesters Based on Advanced Nanostructures)
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