Academic literature on the topic 'Tilted adsorption configuration'

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Journal articles on the topic "Tilted adsorption configuration"

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Fan, Bao Min, Bo Yu Wei, Hua Hao, Yun Hao Feng, and Biao Yang. "Understanding the Inhibition Mechanism of a Supramolecular Complex as the Corrosion Inhibitor for Mild Steel in the Condensate Water." Materials Science Forum 913 (February 2018): 424–38. http://dx.doi.org/10.4028/www.scientific.net/msf.913.424.

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This work attempted to elucidate the corrosion inhibition mechanism of a supramolecular complex formed between β-cyclodextrin (β-CD) and octadecylamine (ODA) for mild steel in the condensate water. Molecular mechanics simulation was applied to determine the energy favored configuration of the complex and the possible orientation of ODA inside the β-CD cavity. Based on the results of gravimetric measurements, thermodynamics parameters for the adsorption process were calculated through Arrhenius and transition state equations. Scanning electron microscopy and X-ray photo electron spectroscopy we
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Gong, Li, Chao Yue Zhang, Junshan Li, et al. "Enhanced Electrochemical Hydrogenation of Benzaldehyde to Benzyl Alcohol on Pd@Ni-MOF by Modifying the Adsorption Configuration." ACS Applied Materials and Interfaces 16, no. 6 (2024): 6948–57. https://doi.org/10.1021/acsami.3c13920.

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Electrocatalytic hydrogenation (ECH) approaches under ambient temperature and pressure offer significant potential advantages over thermal hydrogenation processes but require highly active and efficient hydrogenation electrocatalysts. The performance of such hydrogenation electrocatalysts strongly depends not only on the active phase but also on the architecture and surface chemistry of the support material. Herein, Pd nanoparticles supported on a nickel metal–organic framework (MOF), Ni-MOF-74, are prepared, and their activity toward the ECH of benzaldehyde (BZH) in a 3 M acetate (pH 5.
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Zhang, Sai, Zhaoming Xia, Ting Ni, Huan Zhang, Chao Wu, and Yongquan Qu. "Tuning chemical compositions of bimetallic AuPd catalysts for selective catalytic hydrogenation of halogenated quinolines." Journal of Materials Chemistry A 5, no. 7 (2017): 3260–66. http://dx.doi.org/10.1039/c6ta09916e.

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Au<sub>1−x</sub>Pd<sub>x</sub> bimetallic catalysts with low Pd entities on CeO<sub>2</sub> nanorods delivered high activity and chemoselectivity for hydrogenation of halogenated quinolines. Improved chemoselectivity could be attributed to the selective adsorption configurations of halogenated quinolines on Au via tilted orientation rather than on Pd via flat orientation.
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Desalegn, Bezawit Zerihun, and Jeong Gil Seo. "Leveraging Synergy Towards High Selectivity for Paired Electrochemical Biomass Upgrade over Medium and High Entropy Sulfide Aerogels." ECS Meeting Abstracts MA2025-01, no. 39 (2025): 2019. https://doi.org/10.1149/ma2025-01392019mtgabs.

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Severe environmental problems due to expedited technological advancements along with the gradual depletion of fossil fuel resources have initiated a surge in the utilization of renewable and abundant lignocellulosic biomass to produce sustainable, valuable, functional, and fine chemicals/fuels. In this regard, furanic derivatives are substrates of prime interest as they represent a synthetic platform for numerous value-added compounds. Drop-in biofuels can be produced by reduction [hydrogenation/hydrodeoxygenation], while partial oxidation can yield various fine chemicals. However, the convent
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Zhou, Minlu, Xinle Lu, Rong Sun, et al. "Adsorption and reaction of 2-methylbenzimidazole molecules on a partially oxidized Cu(110) surface." Journal of Chemical Physics 162, no. 17 (2025). https://doi.org/10.1063/5.0268988.

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N-Heterocyclic carbenes (NHCs) have emerged as a promising candidate for functionalizing and modifying metal surfaces. Despite extensive research, the influence of oxides, which frequently occur on metal surfaces, on the adsorption behavior of NHCs has received limited attention at the nanometric scale. In this study, the adsorption configurations and reactions of 2-methylbenzimidazole (MBI) molecules on a CuO/Cu(110) surface were investigated using scanning tunneling microscopy and non-contact atomic force microscopy (nc-AFM). Following the deposition of MBI molecules, Cu islands were observe
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Simonetti, Sandra, and Graciela Brizuela. "First Steps in the Adsorption of C5H8 on Pt(111)." International Journal of Chemical Reactor Engineering 3, no. 1 (2005). http://dx.doi.org/10.2202/1542-6580.1224.

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The adsorption of C5H8 on Pt(111) has been studied using a semiempirical theoretical method implemented with the YAeHMOP package. The energetic calculations show that the adsorption is weak. The adsorbate-surface interaction requires that both C-H and Pt-Pt bonds be weaken. The main interaction comes from the C and H nearest to the metal surface. The tilted geometrical configuration adopted by the molecule facilitates this interaction. The Pt-C and Pt-H interactions are mainly due to overlaps between the dz2 and pz metal orbitals and the C pz and H s orbitals, respectively.
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Zhang, Zihao, Qiang Li, Xiangkun Wu, et al. "A solution for 4-propylguaiacol hydrodeoxygenation without ring saturation." Nature Communications 15, no. 1 (2024). http://dx.doi.org/10.1038/s41467-024-50724-z.

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AbstractWe investigate solvent effects in the hydrodeoxygenation of 4-propylguaiacol (4PG, 166 amu), a key lignin-derived monomer, over Ru/C catalyst by combined operando synchrotron photoelectron photoion coincidence (PEPICO) spectroscopy and molecular dynamics simulations. With and without isooctane co-feeding, ring-hydrogenated 2-methoxy-4-propylcyclohexanol (172 amu) is the first product, due to the favorable flat adsorption configuration of 4PG on the catalyst surface. In contrast, tetrahydrofuran (THF)—a polar aprotic solvent that is representative of those used for lignin solubilization
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Wu, Yandong, Yimin Jiang, Wei Chen, et al. "Selective Electroreduction of 5‐Hydroxymethylfurfural to Dimethylfuran in Neutral Electrolytes via Hydrogen Spillover and Adsorption Configuration Adjustment." Advanced Materials, October 25, 2023. http://dx.doi.org/10.1002/adma.202307799.

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Abstract5‐Hydroxymethylfurfural (HMF), one of the essential C6 biomass derivatives, has been deeply investigated in electrocatalytic reduction upgrading. Nevertheless, the high product selectivity and rational design strategy of electrocatalysts for electrocatalytic HMF reduction is still a challenge. Here, we achieve a high selective electro‐reduction of HMF to dimethylfuran (DMF) on Pd single atom loaded on TiO2 via hydrogen spillover and adsorption configuration adjustment in neutral electrolytes. Combining the density functional theory calculation and in‐situ characterization, it was revea
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Sun, Weixiao, Xiaohu Ge, Wei Du, et al. "Kinetics and mechanistic insights into selective hydrogenation of furfural to furfuryl alcohol over Ni–Ga intermetallics." AIChE Journal, March 11, 2024. http://dx.doi.org/10.1002/aic.18423.

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AbstractFurfural was mainly used to produce furfuryl alcohol, which is a monomer of furan resins with a global market of ~$0.3 billion/year. Industrial production of furfuryl alcohol is via selective hydrogenation over toxic copper chromate under harsh conditions. Therefore, the search for active and non‐toxic alternatives is highly desired. Here, kinetics studies revealed an inhibitive effect caused by strong furfural adsorption on Ni‐based catalysts, resulting in sites blocking and undesired ring hydrogenation. Such an inhibitive effect can be alleviated over Ni‐Ga intermetallic surfaces by
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Zhang, Ping, Lianjie Chen, Shaoxiang Sheng, et al. "Melamine Self-assembly and Dehydrogenation on Ag(111) Studied by Tip-enhanced Raman Spectroscopy." Journal of Chemical Physics, May 5, 2022. http://dx.doi.org/10.1063/5.0091353.

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The adsorption and self-assembly structures of melamine molecules on Ag(111) surface are studied by low temperature scanning tunneling microscope (STM) combined with tip-enhanced Raman spectroscopy (TERS). Two ordered self-assembly phases of melamine molecules on Ag(111) were studied by STM and TERS, combining with first principles simulations. The α-phase consists of flat-lying melamine molecules while the β-phase consists of mixed up-standing/tilted melamine molecules. Moreover, dehydrogenation of melamine can be controlled by annealing the sample as well as by tip-enhanced photo-catalytic e
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Conference papers on the topic "Tilted adsorption configuration"

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Lambert, Michael A., and Benjamin J. Jones. "Plate Heat Exchanger Adsorber for a Regenerative Adsorption Heat Pump." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61866.

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The state of the art in regenerative adsorption (solid-vapor) heat pumps achieved to date is a maximum Coefficient of Performance for Cooling (COPC) of 1.1 with 70% regeneration of waste heat. A number of configurations for the heat exchanger within the adsorbent bed have been investigated, including concentric tube, shell and tube, serpentine flat pipe, spiral flat pipe, and single-pass plate type. However, to date, compact (or multiple pass plate) heat exchangers for use with adsorbent beds have not been studied. This investigation explains the challenges involved in this application, and de
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