State-of-the-Art Nanostructured Catalysts in Asia

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Nanostructured Catalysts".

Deadline for manuscript submissions: closed (10 December 2021) | Viewed by 8304

Special Issue Editors


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Guest Editor
Department of Chemistry, Sungkyunkwan University, Suwon 16419, Korea
Interests: design and synthesis of nanostructured catalysts; C1 chemistry for production of alternative energy sources and value-added commodities; nanomaterials for CO2 capture and pollutant removal; elucidation of reaction mechanism with in situ spectroscopic tools

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Guest Editor
Department of Chemistry, Chonnam National University, Gwangju 61186, Korea
Interests: design and synthesis of nanostructured catalysts
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Guest Editor
Department of Chemistry, Sungkyunkwan University, Suwon 16419, Korea
Interests: plasma assisted nanomaterials; size and shape selective nanomaterials; plasma surface treatments; antimicrobial/biomedical materials;catalysts; polymer membranes; thin film sensors
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Lab. of Environmental Inorganic Materials Chemistry, Center for Exploration of New Inorganic Materials (CENIM), Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1, Katahira, Aoba-Ku, Sendai 980-8577, Japan
Interests: nanoparticles; photocatalytic NO removal

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Guest Editor
Department of Materials Science, School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
Interests: nanoluminescent materials; photocatalytic materials; graphene functional materials

Special Issue Information

Dear Colleagues,

In recent decades, a great deal of development and innovation on nanostructured catalysts has been achieved in the Asian chemical society. Owing to the development of nanotechnology and advanced synthesis tools worldwide, various nanostructured materials have been newly designed and synthesized. A nanoscale synthesis of new materials affords new textural properties and thereby new catalytic opportunities. Sometimes, unprecedented catalytic phenomena can also be observed in many chemical reactions.

The nanostructured catalysts innovate various catalytic reaction processes especially relating to energy and environment. More specifically, the nanostructured catalysts can usually be used as heterogeneous catalysts in photocatalysis, water splitting, greenhouse gas conversion, and green-chemical conversion of biomass-derived materials to value-added chemicals. They often exhibit very high activities, good selectivity and long lifetimes compared to the classical catalysts. In particular, the recent development of theoretical calculation tools leads to the proposal of the rational structure of new nanostructured catalysts with great potential as heterogeneous catalysts with good catalytic performances. In addition, advanced characterization tools including in situ spectroscopic tools can provide deeper scientific insights to interpret the catalysis on the surface of nanostructured catalysts in real-time.

Therefore, we wish to extend the development of nanostructured catalysts and their applications in many catalytic reaction processes, particularly in the Asian chemical society. In this Special Issue, three parts will be considered as the major themes: (i) various synthesis strategies for nanostructured catalysts, (ii) catalytic reaction studies using nanostructured catalysts and (iii) advanced characterization studies for catalysis. Not only experimental research but also theoretical studies will be welcomed.

Although papers should report on trends and advances in the field of nanostructured catalysts across Asia, collaborative work between Asia and non-Asia partners is also welcome.

Prof. Dr. Jin-Hyo Boo
Prof. Dr. Kyungsu Na
Dr. Antony Ananth
Prof. Shu Yin
Dr. Yuhua Wang
Guest Editors

Manuscript Submission Information

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Keywords

  • design and modeling of nanostructured catalysts
  • preparation strategies of nanostructured catalysts
  • CO, NOx and SOx conversions
  • C1 conversions
  • biomass conversion
  • photocatalysis and plasma catalysis
  • petrochemical catalysis
  • size- and shape-dependent catalyst activity
  • catalyst support materials
  • catalytic hydrocarbon conversion into useful materials
  • status of environmental control/monitoring
  • pollution prevention or mitigation programs
  • physico-chemical characterization techniques
  • in situ spectroscopic studies
  • theoretical studies on catalysis using nanostructured catalysts

Published Papers (2 papers)

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Review

19 pages, 1863 KiB  
Review
Recent Advances in Ternary Metal Oxides Modified by N Atom for Photocatalysis
by Jingwen Wang, Takuya Hasegawa, Yusuke Asakura and Shu Yin
Catalysts 2022, 12(12), 1568; https://doi.org/10.3390/catal12121568 - 2 Dec 2022
Cited by 3 | Viewed by 2063
Abstract
Ternary metal oxides (TMOs) with flexible band structures are of significant potential in the field of photocatalysis. The efficient utilization of renewable and green solar energy is of great importance to developing photocatalysts. To date, a wide range of TMOs systems has been [...] Read more.
Ternary metal oxides (TMOs) with flexible band structures are of significant potential in the field of photocatalysis. The efficient utilization of renewable and green solar energy is of great importance to developing photocatalysts. To date, a wide range of TMOs systems has been developed as photocatalysts for water and air purification, but their practical applications in visible light-assisted chemical reactions are hindered mainly by its poor visible light absorption capacity. Introduction of N atoms into TMOs can narrow the band-gap energy to a lower value, enhance the absorption of visible light and suppress the recombination rate of photogenerated electrons and holes, thus improving the photocatalytic performance. This review summarizes the recent research on N-modified TMOs, including the influence of N doping amounts, N doping sites, and N-induced phase transformation. The introduced N greatly tuned the optical properties, electronic structure, and photocatalytic activity of the TMOs. The optimal N concentration and the influence of N doping sites are investigated. The substitutional N and interstitial N contributed differently to the band gap and electron transport. The introduced N can tune the vacancies in TMOs due to the charge compensation, which is vital for inducing different activity and selectivity. The topochemical ammonolysis process can convert TMOs to oxynitride with visible light absorption. By altering the band structures, these oxynitride materials showed enhanced photocatalytic activity. This review provides an overview of recent advances in N-doped TMOs and oxynitrides derived from TMOs as photocatalysts for environmental applications, as well as some relevant pointers for future burgeoning research development. Full article
(This article belongs to the Special Issue State-of-the-Art Nanostructured Catalysts in Asia)
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30 pages, 7245 KiB  
Review
Synthesis of Mesoporous Zeolites and Their Opportunities in Heterogeneous Catalysis
by Bhupendra Kumar Singh, Yongseok Kim, Seungdon Kwon and Kyungsu Na
Catalysts 2021, 11(12), 1541; https://doi.org/10.3390/catal11121541 - 17 Dec 2021
Cited by 21 | Viewed by 5196
Abstract
Currently, zeolites are one of the most important classes of heterogeneous catalysts in chemical industries owing to their unique structural characteristics such as molecular-scale size/shape-selectivity, heterogenized single catalytic sites in the framework, and excellent stability in harsh industrial processes. However, the microporous structure [...] Read more.
Currently, zeolites are one of the most important classes of heterogeneous catalysts in chemical industries owing to their unique structural characteristics such as molecular-scale size/shape-selectivity, heterogenized single catalytic sites in the framework, and excellent stability in harsh industrial processes. However, the microporous structure of conventional zeolite materials limits their applications to small-molecule reactions. To alleviate this problem, mesoporous zeolitic frameworks were developed. In the last few decades, several methods have been developed for the synthesis of mesoporous zeolites; these zeolites have demonstrated greater lifetime and better performance than their bulk microporous counterparts in many catalytic processes, which can be explained by the rapid diffusion of reactant species into the zeolite framework and facile accessibility to bulky molecules through the mesopores. Mesoporous zeolites provide versatile opportunities not only in conventional chemical industries but also in emerging catalysis fields. This review presents many state-of-the-art mesoporous zeolites, discusses various strategies for their synthesis, and details their contributions to catalytic reactions including catalytic cracking, isomerization, alkylation and acylation, alternative fuel synthesis via methanol-to-hydrocarbon (MTH) and Fischer–Tropsch synthesis (FTS) routes, and different fine-chemical syntheses. Full article
(This article belongs to the Special Issue State-of-the-Art Nanostructured Catalysts in Asia)
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