Ordered clustering of single atomic Te vacancies in atomically thin PtTe2 promotes hydrogen evolution catalysis

Autor: Xinzhe Li, Yiyun Fang, Jun Wang, Hanyan Fang, Shibo Xi, Xiaoxu Zhao, Danyun Xu, Haomin Xu, Wei Yu, Xiao Hai, Cheng Chen, Chuanhao Yao, Hua Bing Tao, Alexander G. R. Howe, Stephen J. Pennycook, Bin Liu, Jiong Lu, Chenliang Su

Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-9 (2021)

Precisely regulating Pt catalytic sites is important and challenging. Herein the authors engineer the clustering of single atomic Te vacancies in atomically thin PtTe2 to optimize the electronic structure, adsorption energy, and catalytic performance

Externí odkaz: https://doaj.org/article/ef18115ae8b84598bd1e0d8c7fe918c9

Probing composition distributions in nanoalloy catalysts with correlative electron microscopy

Autor: Sankar Meenakshisundaram, Qian He, Xiaoxiao Gong, Alexandra J. Barnes, Thomas E. Davies, Alexander G. R. Howe, Isla Gow, Michael Dixon, Graham J. Hutchings, Christopher J. Kiely, Shikai Liu

Publikováno v: Journal of Materials Chemistry A. 8:15725-15733

Alloyed nanoparticles are important functional materials and have wide applications especially in heterogeneous catalysis and electrocatalysis. Controlled synthesis of nanoalloys is desirable in order to understand their structure–property relation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31e3975e0fd00873e435c25fd7d49280
https://doi.org/10.1039/d0ta00334d

A residue-free approach to water disinfection using catalytic in situ generation of reactive oxygen species

Autor: Qian He, David J. Morgan, Richard Lewis, David A. Crole, Christopher J. Kiely, Alexander G. R. Howe, Andrea Folli, Jonathan H. Harrhy, Graham J. Hutchings, Thomas Richards, Jean-Yves Maillard, E. Joel Loveridge, Paul Gaskin, Simon J. Freakley, Jennifer K. Edwards, Grzegorz M. Suldecki, Thomas E. Davies, Damien Martin Murphy

Publikováno v: Richards, T, Harrhy, J H, Lewis, R J, Howe, A G R, Suldecki, G M, Folli, A, Morgan, D J, Davies, T E, Loveridge, E J, Crole, D A, Edwards, J K, Gaskin, P, Kiely, C J, He, Q, Murphy, D M, Maillard, J Y, Freakley, S J & Hutchings, G J 2021, ' A residue-free approach to water disinfection using catalytic in situ generation of reactive oxygen species ', Nature Catalysis, vol. 4, no. 7, pp. 575-585 . https://doi.org/10.1038/s41929-021-00642-w

Globally, water disinfection is reliant on chlorination, but requires a route that avoids the formation of chemical residues. Hydrogen peroxide, a broad-spectrum biocide, can offer such an alternative, but is typically less effective than traditional

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9cd5a8746466635be1dda6025172438f
https://purehost.bath.ac.uk/ws/files/221677458/Markup_Manuscript_1617178945_72_clean.docx

Direct Synthesis of Hydrogen Peroxide over Au–Pd Supported Nanoparticles under Ambient Conditions

Autor: David J. Morgan, Paul Gaskin, Alexander G. R. Howe, Richard J. Lewis, Euan Hampton, Grazia Malta, Alba Santos, Graham J. Hutchings

Publikováno v: Industrial & Engineering Chemistry Research. 58:12623-12631

The direct synthesis of hydrogen peroxide (H2O2) from molecular H2 and O2 over Au-Pd / TiO2 catalysts prepared using a modified impregnation methodology is studied. Initially we investigated the role of Au: Pd ratio on the catalytic activity towards

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::786382cc840b96383fa6fb140a865b6a
https://doi.org/10.1021/acs.iecr.9b02211

Inhibiting the dealkylation of basic arenes during n-alkane direct aromatization reactions and understanding the C6 ring closure mechanism

Autor: David J. Morgan, Hua Song, Aiguo Wang, Takudzwa Bere, Graham J. Hutchings, Alexander G. R. Howe, Jack Jarvis, Jonathan H. Harrhy, Qian:rp He, James H. Carter

Pt/KL is the widely accepted catalyst for aromatizing n-hexane by 1,6 ring closure but encounters deactivation issues when aromatizing higher carbon-number feeds; undergoing extensive dealkylation to give unwanted CH4 and unselective products, as wel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff5b1a1641d5f514cded1c576b9d40f9
https://orca.cardiff.ac.uk/id/eprint/133364/1/PP.pdf