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Advanced Functional Materials, EarlyView.Ag+‐mediated hydrothermal crystal engineering promotes preferential [hk1]‐oriented growth of Sb2Se3 via an ultrathin MoOx interlayer, improving crystallinity and suppressing non‐radiative recombination. The optimized Ag+ treatment photocathode delivers 24.7 mA cm−2 at 0 VRHE and improved stability, revealing an ion‐modulated route to high‐performance ...
Ziying Zhang +10 more
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Selective hydrogenation of benzalacetone
Journal of Applied Chemistry, 1967AbstractBenzalacetone was hydrogenated using a Raney nickel catalyst, and various amounts of HCl, NaCl and H3PO4 in ethyl alcohol were added to test their inhibiting effect on catalytic activity. In the presence of HCl and H3PO4, Raney nickel lost its catalytic activity, and the rate of hydrogenation was decreased, but NaCl had no effect.
Y. Abdoh, M. R. Darvish
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Selective Hydrogenation of Phenol
ChemNanoMat, 2018AbstractThe selective hydrogenation of phenol to cyclohexanone has attracted a great deal of attention both in industry and academia. In this review, the significance, strategies and mechanisms for the production of cyclohexanone are briefly described.
Xiangqian Kong +3 more
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Selective Hydrogenation Reactions
2013Gold catalysts demonstrated high selectivity in hydrogenation of the multifunctional molecules. Selective hydrogenation of succinic anhydride (SAN) over gold catalysts was studied. Gold catalysts demonstrated higher activity and selectivity compared to other studied metals.
Olga A. Simakova +2 more
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The hydrogen-ion selective glass electrode
Talanta, 1975The properties and mechanism of operation of hydrogen-ion selective glass electrodes are reviewed and a model using information from recent research is presented. In the gel layer of a pH-glass protons or hydronium ions are bound to negative charges in a silicon network cross-linked with bi- or tervalent metal ions.
G, Johansson, B, Karlberg, A, Wikby
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Selective Hydrogenation of Dicyclopentadiene
Russian Journal of Applied Chemistry, 2020The previously developed procedures for preparing dihydrodicyclopentadiene (DHDCPD) and tetrahydrodicyclopentadiene (THDCPD) are considered comprehensively. The performance of traditional dicyclopentadiene (DCPD) hydrogenation catalysts (Raney Ni, Pd/C) is compared to that of catalysts based on Ni or Pd nanoparticles on a polymer matrix.
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Effect of solvent and hydrogen during selective hydrogenation
Tetrahedron Letters, 2001Abstract Described is the solvent effect for the chemoselective hydrogenation of alkenes having a benzyloxy group (Bn-O-) using a hydrogenation system employing atomic hydrogen permeating through a Pd sheet electrode.
Shojiro Maki +10 more
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Selective heterogeneously catalyzed hydrogenations
Catalysis Today, 1997Abstract A number of catalytic hydrogenations have been discussed with emphasis on reaction selectivity. These reactions were examples of chemoselectivity, regioselectivity, stereoselectivity, diastereoselectivity and enantioselectivity. Factors such as catalyst selection, reaction conditions and the steric nature of the substrate were discussed in ...
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Selectivities in Partial Hydrogenation
Journal of the American Oil Chemists' Society, 2009They also mention AOCS Official Method Tz 1b-79 to calculate the above selectivities. However, when these selectivity ratios were defined more than 40 years ago, simplifications had to be introduced and assumptions had to be made and it is my impression that nowadays, people are insufficiently aware of these simplifications and assumptions and moreover
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