RT journal article T1 MOF-Derived PdCo and PdMn Systems as Versatile Catalysts in Alkyne Semihydrogenation A1 Martínez, Jordán Santiago A1 Carpisassi, Luigi A1 Egea, Gonzalo A1 Mazarío, Jaime A1 Wittee Lopes, Christian A1 Mora Moreno, Carmen A1 Trasobares Llorente, Susana A1 Vaccaro, Luigi A1 Calvino Gámez, José Juan A1 Agostini, Giovanni A1 Oña Burgos, Pascual A2 Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica K1 alkyne semihydrogenation K1 bimetallic nanoparticles K1 heterogeneous catalysis K1 MOF-derived K1 nanomaterials characterization AB This study investigates the structure and catalytic properties of bimetallic nanocomposites derived from PdCo- and PdMn-based metal-organic frameworks. These materials, synthesized via chemical (Q) and thermal treatments (T), resulted in PdCo-QT and PdMn-QT catalysts containing Pd-based nanoparticles modified with Co or Mn and supported on N-doped carbon. Detailed characterization techniques confirm these complex structures, including high-resolution transmission electron microscopy, scanning transmission electron microscopy energy-dispersive X-ray spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and X-ray absorption spectroscopy. The catalytic performances of these materials were evaluated for the selective semihydrogenation of phenylacetylene and 4-octyne under soft conditions (1 H2 bar, room temperature) in batch reactors, demonstrating very high selectivity (≥95 mol %) toward alkenes at high conversion levels (≥94 mol %). Moreover, they displayed significant stability after five catalytic cycles with minimal leaching and highly competitive values of alkyne productivity in the semihydrogenation of phenylacetylene. The study also explored the potential of these catalysts in continuous gas-phase reactions, where PdCo-QT demonstrated remarkable catalytic activity and selectivity with a high gas hourly space velocity. PB American Chemical Society SN 2155-5435 YR 2025 FD 2025 LK http://hdl.handle.net/10498/37931 UL http://hdl.handle.net/10498/37931 LA eng DS Repositorio Institucional de la Universidad de Cádiz RD 11-nov-2026