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 ORCID:

Ewa Nowicka

https://orcid.org/0000-0001-7449-2720

Meenakshisundaram Sankar

https://orcid.org/0000-0002-7105-0203

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Journal of Zhejiang University SCIENCE A 2018 Vol.19 No.1 P.5-20

http://doi.org/10.1631/jzus.A1700257


Designing Pd-based supported bimetallic catalysts for environmental applications


Author(s):  Ewa Nowicka, Meenakshisundaram Sankar

Affiliation(s):  Faculty of Chemistry, Technical University Berlin, Berlin 10623, Germany; more

Corresponding email(s):   nowicka@tu-berlin.de, sankar@cardiff.ac.uk

Key Words:  Palladium, Palladium alloys, Bimetallic catalysts, Environmental applications


Ewa Nowicka, Meenakshisundaram Sankar. Designing Pd-based supported bimetallic catalysts for environmental applications[J]. Journal of Zhejiang University Science A, 2018, 19(1): 5-20.

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%A Meenakshisundaram Sankar
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DOI - 10.1631/jzus.A1700257


Abstract: 
Supported bimetallic nanoparticulate catalysts are an important class of heterogeneous catalysts for many reactions including selective oxidation, hydrogenation/hydrogenolysis, reforming, biomass conversion reactions, and many more. The activity, selectivity, and stability of these catalysts depend on their structural features including particle size, composition, and morphology. In this review, we present important structural features relevant to supported bimetallic catalysts focusing on Pd-based bimetallic systems and recently reported strategies to control them through different synthesis methodologies. Further, we focus on a few reactions that are relevant to environmental catalysis, i.e. CO oxidation, hydrocarbon oxidation, hydrodechlorination, and NOx decomposition, where Pd-based catalysts are often used successfully. In spite of much progress in these areas, still there is a need for more advanced catalytic technologies to address the grand challenges like environmental remediation. Some of the recent advances in the design of bimetallic catalysts were made because of the combined efforts of material scientists, spectroscopists, microscopists, catalysis chemists, and engineers through state-of-the-art characterization methodologies, mechanistic investigations, and structure-activity correlations. This review is aimed at inspiring scientists to rationally design catalysts for a green and sustainable future.

负载型Pd基双金属催化剂的设计及其在环境领域的应用

概要:负载型双金属催化剂在很多催化反应中都有着十分重要的意义,包括选择性氧化、加氢/氢解、重整、生物质转化等反应.这一类催化剂的活性、选择性和稳定性取决于颗粒尺寸、组成和形貌等结构特性.针对Pd基负载型双金属催化剂体系,本文讨论了其结构特性,并探讨了不同合成方法对结构性质的调控机制.同时,本文阐述了Pd基催化剂在环境催化反应中的应用,包括CO氧化、烃类氧化、加氢脱氯和NOx分解等反应.尽管在这些领域的研究取得了一定的进展,然而还需要更先进的催化技术来应对一些重大的挑战,如环境修复等.最近,在材料、光谱、显微、催化化学以及工程领域的研究人员的共同努力下,通过先进表征方法、机理研究手段的采用以及构效关系的研究,针对双金属催化剂设计的研究取得了一些新的进展.本篇综述旨在激励相关领域科学家设计合理的新型催化剂体系,以用于未来的绿色及可持续发展.
关键词:钯;钯合金;双金属催化剂;环境领域的应用

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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