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Subnanometric Pt clusters dispersed over Cs-doped TiO2 for CO2 upgrading via low-temperature RWGS: operando mechanistic insights to guide an optimal catalyst design
(Royal Society of Chemistry, 2023-12-07)
The RWGS reaction is gathering momentum as an effective route for CO2 valorisation and given its endothermic nature the challenge lies in the design of active low-temperature catalysts. Herein we have designed two catalysts ...
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σ-Silane Platinum(II) Complexes as Intermediates in C−Si Bond-Coupling Processes
(Wiley, 2019)
Platinum complexes [Pt(NHC’)(NHC)][BArF] (NHC’ denotes the cyclometallated N-heterocyclic carbene ligand, NHC) react with primary silanes RSiH3 leading to the cyclometallated platinum(II) silyl complexes [Pt(NHC-SiHR’ ...
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Arcillas cerámicas de Andalucía 11. Yacimientos terciarios y cuaternarios de la margen derecha del Guadalquivir en la provincia de Jaén
(Sociedad Española de Cerámica y Vidrio, 1977-11)
Eighteen samples of clay of ceramic interestare studied. They belong to several deposits in exploitation located in tertiary and cuaternary lands in the regions of Bailen and Loma de Ubeda, in the province of Jaen. These ...
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Important Role of NH-Carbazole in Aryl Amination Reactions Catalyzed by 2-Aminobiphenyl Palladacycles
(American Chemical Society, 2023)
2-Aminobiphenyl palladacycles are among the most successful precatalysts for Pd-catalyzed cross-coupling reactions, including aryl amination. However, the role of NH-carbazole, a byproduct of precatalyst activation, remains ...
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Ligand Postsynthetic Functionalization with Fluorinated Boranes and Implications in Hydrogenation Catalysis
(American Chemical Society, 2023)
The incorporation of boron functionalities into transition-metal catalysts has become a promising strategy to improve catalytic performance, although their synthesis typically entails the preparation of sophisticated ...
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Ligand and metal-centred reactivity in 2,6-bis(imino)-1,4-dihydropyridinate Zn(ii) alkyls: the dual behaviour of an intriguing type of complex
(Royal Society of Chemistry, 2023)
Dihydropyridines, either free or metal-coordinated, are organic hydride transfer reductants that perform on the same premises as the natural redox cofactor NAD(P)+/NAD(P)H. 1-Bn and 1-Me are alkylzinc complexes containing ...
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Influence of Long-Term CaO Storage Conditions on the Calcium Looping Thermochemical Reactivity
(American Chemical Society, 2023)
Long-term storage capability is often claimed as one of the distinct advantages of the calcium looping process as a potential thermochemical energy storage system for integration into solar power plants. However, the ...
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Colombian metallurgical coke as catalysts support of the direct coal liquefaction
(Elsevier, 2019)
A Colombian metallurgical coke was modified in its surface chemistry and was used as support of iron sulfide catalysts for direct coal liquefaction. The modification was made by treatments with diluted oxygen and HNO3 at ...
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Thermochemical Energy Storage Using Calcium Magnesium Acetates under Low CO2 Pressure Conditions
(Elsevier, 2023)
The calcium looping multicycle performance of CaO-based materials, derived from calcium magnesium acetates with different Mg content were tested under experimental conditions compatible with thermochemical energy storage. ...
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Photocatalytic Treatment Based on TiO2 for a Coal Mining Drainage
(Universidad de Antioquía, 2023)
The aim of the present work was to evaluate the effectiveness of a heterogeneous photocatalyst based on T iO2 in the treatment of coal mining drainage which contains a variety of heavy metals and high concentration ...