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Browsing by Author "Liu, Lichen"

Now showing items 1-9 of 9

Complete Photocatalytic Reduction of CO2 to Methane by H2 under Solar Light Irradiation

Sastre Calabuig, Francesc; Puga, Alberto V.; Liu, Lichen; Corma Canós, Avelino; García Gómez, Hermenegildo (American Chemical Society, 2014-05-14)

Nickel supported on silica-alumina is an efficient and reusable photocatalyst for the reduction of CO2 to methane by H-2, reaching selectivity above 95% at CO2 conversion over 90%. Although NiO behaves similarly, it undergoes ...
Controllable synthesis of metal nanoparticles for catalytic applications

Liu, Lichen (2015-02-24)

[EN] In this thesis, I have discussed the synthesis of Cu nanoparticles and their applications in C-N coupling reactions. I find that Cu nanoparticles will decompose into Cu clusters and Cu clusters are the real active ...
Facile Synthesis of Surface-Clean Monodispersed CuOx Nanoparticles and Their Catalytic Properties for Oxidative Coupling of Alkynes

Liu, Lichen; Matsushita, Toshiyuki; Concepción Heydorn, Patricia; Leyva Perez, Antonio; Corma Canós, Avelino (American Chemical Society, 2016-04)

[EN] We show a facile method to prepare surface-clean monodispersed small and stable CuOx nanoparticles with controllable average sizes from below 1 nm up to similar to 5 nm without using bulk capping agent. Structural and ...
Generation of subnanometric platinum with high stability during transformation of a 2D zeolite into 3D

Liu, Lichen; Díaz Morales, Urbano Manuel; Arenal, Raul; Agostini, Giovanni; Concepción Heydorn, Patricia; Corma Canós, Avelino (Nature Publishing Group, 2017)

[EN] Single metal atoms and metal clusters have attracted much attention thanks to their advantageous capabilities as heterogeneous catalysts. However, the generation of stable single atoms and clusters on a solid support ...
Heterogeneous Metal Catalysts: From Single Atoms to Nanoclusters and Nanoparticles

Liu, Lichen (2019-10-02)

Las especies de metal con diferentes tamaños (átomos individuales, nanocristales y nanopartículas) muestran un comportamiento catalítico diferente para diversas reacciones catalíticas heterogéneas. Se ha demostrado en la ...
Nanolayered Co-Mo-S Catalysts for the Chemoselective Hydrogenation of Nitroarenes

Sorribes-Terrés, Iván; Liu, Lichen; Corma Canós, Avelino (American Chemical Society, 2017)

[EN] Nanolayered molybdenum disulfide cobalt-promoted materials (Co-Mo-S) have been established as chemoselective catalysts for thehydrogenation of nitroarenes under relatively mild conditions. Co-Mo-S catalysts have been ...
Nanolayered Cobalt-Molybdenum Sulfides as Highly Chemo- and Regioselective Catalysts for the Hydrogenation of Quinoline Derivatives

Sorribes, Ivan; Liu, Lichen; Doménech Carbó, Antonio; Corma Canós, Avelino (American Chemical Society, 2018)

[EN] Herein, a general protocol for the preparation of a broad range of valuable N-heterocyclic products by hydrogenation of quinolines and related N-heteroarenes is described. Interestingly, the catalytic hydrogenation ...
Non-noble metal catalysts for hydrogenation: A facile method for preparing Co nanoparticles covered with thin layered carbon

Liu, Lichen; Concepción Heydorn, Patricia; Corma Canós, Avelino (Elsevier, 2016-08)

Metallic cobalt nanoparticles with surface CoOx patches covered by thin layered carbon (named Co@C) have been directly synthesized by thermal decomposition of Co-EDTA complex. Raman spectra and HRTEM images suggest that ...
Stabilized Naked Sub-nanometric Cu Clusters within a Polymeric Film Catalyze C-N, C-C, C-O, C-S, and C-P Bond-Forming Reactions

Oliver Meseguer, Judit; Liu, Lichen; García García, Saray; Canós Giménez, Clàudia; Domínguez Pérez, Irene; GAVARA CLEMENTE, RAFAEL; Domenech Carbo, Antonio; Concepción Heydorn, Patricia; Leyva Perez, Antonio; Corma Canós, Avelino (American Chemical Society, 2015-03-25)

[EN] Sub-nanometric Cu clusters formed by endogenous reduction of Cu salts and Cu nanoparticles are active and selective catalysts for C−N, C−C, C−O, C−S, and C−P bond-forming reactions. Sub-nanometric Cu clusters ...