Yves J. Chabal
University of Texas at Dallas
Analytical chemistryAdsorptionInfrared spectroscopyInfraredChemical physicsNanotechnologyX-ray photoelectron spectroscopyInorganic chemistryMetal-organic frameworkChemistryMaterials scienceOxideSpectroscopyMoleculeChemical engineeringOptoelectronicsHydrogenSiliconAtomic layer depositionMonolayer
615Publications
109H-index
29.4kCitations
Publications 574
Newest
#1Alexander T. Brown (UTD: University of Texas at Dallas)H-Index: 3
#2Vedant S. Agrawal (UTD: University of Texas at Dallas)
Last. Kenneth J. Balkus (UTD: University of Texas at Dallas)H-Index: 62
view all 8 authors...
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#1Hala Assi (University of Toulouse)H-Index: 2
#2Kévin Cocq (University of Toulouse)H-Index: 8
Last. Myrtil L. Kahn (University of Toulouse)H-Index: 13
view all 13 authors...
Abstract The preparation of a triptych nanomaterial made of TiO2 nanoparticles as semiconductor, Ag plasmonic nanoparticles and a carbo-benzene macrocyclic molecule as photosensitizer is described, and used to produce hydrogen by photo-reduction of pure deionized water under 2.2 bar argon pressure without any electrical input. Silver nanoparticles (~5 nm) are grafted onto the surface of commercial TiO2 nanoparticles (~23 nm) by a photo-deposition process using an original silver amidinate precur...
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#1Yves J. ChabalH-Index: 109
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#1Sampreetha Thampy (UTD: University of Texas at Dallas)H-Index: 7
#2Nickolas Ashburn (UTD: University of Texas at Dallas)H-Index: 5
Last. Julia W. P. Hsu (UTD: University of Texas at Dallas)H-Index: 57
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Identifying the nature and reactivity of surface intermediate species is critical to understanding the fundamental reaction pathways of NO oxidation on mullite-type oxide catalysts. Using in situ F...
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#1Eric C. MattsonH-Index: 19
#2Yves J. ChabalH-Index: 109
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#1Sheng-Han Lo (NTHU: National Tsing Hua University)H-Index: 10
#2Liang Feng (A&M: Texas A&M University)H-Index: 27
Last. Hong-Cai Zhou (A&M: Texas A&M University)H-Index: 125
view all 19 authors...
Topological transitions between considerably different phases typically require harsh conditions to collectively break chemical bonds and overcome the stress caused to the original structure by altering its correlated bond environment. In this work we present a case system that can achieve rapid rearrangement of the whole lattice of a metal–organic framework through a domino alteration of the bond connectivity under mild conditions. The system transforms from a disordered metal–organic framework...
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#1Sheng-Han Lo (NTHU: National Tsing Hua University)H-Index: 10
#2Liang Feng (A&M: Texas A&M University)H-Index: 27
Last. Hong-Cai Zhou (A&M: Texas A&M University)H-Index: 125
view all 19 authors...
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#1Jérémy Cure (University of Toulouse)H-Index: 12
#2Kévin Cocq (University of Toulouse)H-Index: 8
Last. Carole Rossi (University of Toulouse)H-Index: 35
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Abstract This work proposes a new efficient, long-lasting scalable and low-cost triptych photocatalyst by assembling a semiconductor thin film (planar anatase TiO2), a photosensitive molecule of the carbo-benzene (Cbz) family and plasmonic Ag nanoparticles with exquisite degree of intimacy with the semiconductor. Under simulated sunlight conditions over 48 h, the triptych TiO2/Ag/Cbz photocatalyst allows a hydrogen production rate of 0.18 mmol gphotocatalyst−1 h−1 in conditions of applicative pr...
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#1Stephanie JensenH-Index: 11
#2Kui Tan (UTD: University of Texas at Dallas)H-Index: 26
Last. Timo ThonhauserH-Index: 47
view all 7 authors...
We investigate the much debated mechanism which leads to an enhancement of the photoluminescence upon small aromatic molecule adsorption in the Zn-based metal organic framework (MOF) material PCP-Zn. We present evidence based on ab initio simulations, coupled with in situ IR spectroscopy and photoluminescence measurements, that (i) the PCP-Zn “turn on” photoluminescence enhancement effect upon guest molecule adsorption mainly occurs as the result of an underlying guest-induced structural change ...
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#1Nickolas Ashburn (UTD: University of Texas at Dallas)H-Index: 5
#2Yongping Zheng (UTD: University of Texas at Dallas)H-Index: 22
Last. Kyeongjae Cho (UTD: University of Texas at Dallas)H-Index: 82
view all 7 authors...
By combining experimental and theoretical approaches, we investigate the quantitative relationship between molecular desorption temperature and binding energy on d and f metal oxide surfaces. We demonstrate how temperature-programmed desorption can be used to quantitatively correlate the theoretical surface chemistry of metal oxides (via on-site Hubbard U correction) to gas surface interactions for catalytic reactions. For this purpose, both CO and NO oxidation mechanisms are studied in a step-b...
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