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Chemistry, Volume 1, Issue 1 (December 2019)

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Open AccessReview Recent Progress in Two-Dimensional Nanomaterials for Laser Protection
Chemistry 2019, 1(1), 17-43; https://doi.org/10.3390/chemistry1010004
Received: 7 December 2018 / Revised: 14 January 2019 / Accepted: 15 January 2019 / Published: 16 January 2019
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Abstract
The Nobel Prize in Physics 2018, “For groundbreaking inventions in the field of laser physics”, went to Arthur Ashkin and Gérard Mourou and Donna Strickland. Their inventions have revolutionized laser physics and greatly promoted the development of laser instruments, which have penetrated into
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The Nobel Prize in Physics 2018, “For groundbreaking inventions in the field of laser physics”, went to Arthur Ashkin and Gérard Mourou and Donna Strickland. Their inventions have revolutionized laser physics and greatly promoted the development of laser instruments, which have penetrated into many aspects of people’s daily lives. However, for the purpose of protecting human eyes or optical instruments from being damaged by both pulsed and continuous wave laser radiation, the research on laser protective materials is of particular significance. Due to the intriguing and outstanding physical, chemical, and structural properties, two-dimensional (2D) nanomaterials have been extensively studied as optical limiting (OL) materials owing to their broadband nonlinear optical (NLO) response and fast carrier relaxation dynamics that are important for reducing the laser intensity. This review systematically describes the OL mechanisms and the recent progress in 2D nanomaterials for laser protection. Full article
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Open AccessArticle Advantages of Yolk Shell Catalysts for the DRM: A Comparison of Ni/[email protected]2 vs. Ni/CeO2 and Ni/Al2O3
Chemistry 2019, 1(1), 3-16; https://doi.org/10.3390/chemistry1010003
Received: 9 November 2018 / Revised: 5 December 2018 / Accepted: 20 December 2018 / Published: 28 December 2018
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Abstract
Encapsulation of metal nanoparticles is a leading technique used to inhibit the main deactivation mechanisms in dry reforming of methane reaction (DRM): Carbon formation and Sintering. Ni catalysts (15%) supported on alumina (Al2O3) and ceria (CeO2) have
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Encapsulation of metal nanoparticles is a leading technique used to inhibit the main deactivation mechanisms in dry reforming of methane reaction (DRM): Carbon formation and Sintering. Ni catalysts (15%) supported on alumina (Al2O3) and ceria (CeO2) have shown they are no exception to this analysis. The alumina supported catalysts experienced graphitic carbonaceous deposits, whilst the ceria showed considerable sintering over 15 h of DRM reaction. The effect of encapsulation compared to that of the performance of uncoated catalysts for DRM reaction has been examined at different temperatures, before conducting longer stability tests. The encapsulation of Ni/ZnO cores in silica (SiO2) leads to advantageous conversion of both CO2 and CH4 at high temperatures compared to its uncoated alternatives. This work showcases the significance of the encapsulation process and its overall effects on the catalytic performance in chemical CO2 recycling via DRM. Full article
(This article belongs to the Special Issue CO2, a Carbon Source for Chemicals and Fuels)
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Open AccessEditorial Welcome to Chemistry—An International Open Access Journal
Received: 12 December 2018 / Revised: 14 December 2018 / Accepted: 14 December 2018 / Published: 18 December 2018
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Abstract
It is a great pleasure to welcome you to Chemistry—An International Journal. [...] Full article
Open AccessEditorial Publisher's Notice: Chemistry—An International Journal
Received: 14 December 2018 / Revised: 14 December 2018 / Accepted: 14 December 2018 / Published: 18 December 2018
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Abstract
MDPI is launching Chemistry—An International Journal [...] Full article
Chemistry EISSN 2624-8549 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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