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    •   RIUMA Principal
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    • Química Inorgánica, Cristalografía y Mineralografía - (QICM)
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      • M/TiO2 (M = Fe, Co, Ni, Cu, Zn) catalysts for photocatalytic hydrogen production under UV and visible light irradiation 

        Díaz, Laura; Rodríguez, V. D.; González-Rodríguez, M.; Rodriguez-Castellon, Enrique; Algarra, Manuel; [et al.] (2021-05-28)
        In order to improve the photocatalytic response of TiO2 to UV and visible light for hydrogen photoproduction, low cost M/TiO2 semiconductor catalysts were prepared by the impregnation method of five different first row ...
      • Manufacture of rich-sulfoaluminate belite cement at low temperature from waste mixture by dry and hydrothermal processes 

        Bouha, Faiza Nabila; Kacimi, Larbi; Gomez-de-la-Torre, Maria de los Angeles (sciencedirect, 2022)
        This study, within the framework of eco-cement development, aims to manufacture reactive belite-sulfoaluminate cement (BYF) as alternative to Portland cement (PC). This ecological cement is obtained at low temperature from ...
      • Mechanism of stabilization of dicalcium silicate solid solution with aluminium 

        Cuesta-Garcia, Ana Maria; García-Aranda, Miguel Ángel; Sanz, Jesús; Gomez-de-la-Torre, Maria de los Angeles; Losilla, Enrique R. (ELSEVIER, 2013-11-11)
        Stoichiometric dicalcium silicate, Ca2SiO4, displays a well-known polymorphism with temperature. When this phase is doped by a range of elements, belite, one of the main phases of cements, is generated. Here, we thoroughly ...
      • Multifunctional lanthanum tetraphosphonates: Flexible, ultramicroporous and proton-conducting hybrid frameworks 

        Colodrero, Rosario M.P.; Olivera-Pastor, Pascual; Losilla, Enrique R.; G. Aranda, Miguel Ángel; León-Reina, Laura; [et al.] (The Royal Society of Chemistry, 2012)
        A new flexible ultramicroporous solid, La(H5DTMP)·7H2O (1), has been crystallized at room temperature using the tetraphosphonic acid H8DTMP, hexamethylenediamine-N,N,N′,N′-tetrakis(methylenephosphonic acid). Its crystal ...
      • Multifunctional Luminescent and Proton-Conducting Lanthanide Carboxyphosphonate Open-Framework Hybrids Exhibiting Crystalline-to-Amorphous-to-Crystalline Transformations 

        Colodrero, Rosario M.P.; Papathanasiou, Konstantinos E.; Stavgianoudaki, Nikoleta; Olivera-Pastor, Pascual; Losilla, Enrique R.; [et al.] (American Chemical Society, 2012-09-15)
        The chemistry of metal phosphonates has been progressing fast with the addition of new materials that possess novel structural features and new properties, occasionally in a cooperative manner. In this paper, we report a ...
      • Multiscale understanding of tricalcium silicate hydration reactions 

        Cuesta-Garcia, Ana Maria; Zea-Garcia, Jesus D.; Londono-Zuluaga, Diana; Gomez-de-la-Torre, Maria de los Angeles; Santacruz-Cruz, Maria Isabel; [et al.] (Nature Publishing Group, 2018-06)
        Tricalcium silicate, the main constituent of Portland cement, hydrates to produce crystalline calcium hydroxide and calcium-silicate-hydrates (C-S-H) nanocrystalline gel. This hydration reaction is poorly understood at ...
      • New directions in metal phosphonate and fhosphinate chemistry 

        Shearan, Stephen J.I.; Stock, Norbert; Emmerling, Franziska; Demel, Jan; Wright, Paul A.; [et al.] (MDPI www.mdpi.com/journal/crystals, 2019-05-24)
        In September 2018, the First EuropeanWorkshop on Metal Phosphonates Chemistry brought together some prominent researchers in the field of metal phosphonates and phosphinates with the aim of discussing past and current ...
      • NH3/H2O-mediated proton conductivity and photocatalytic behaviour of Fe(II)-hydroxyphosphonoacetate and M(II)-substituted derivatives 

        Ruiz Salcedo, Inés; Bazaga García, Montse; Cuesta-Garcia, Ana Maria; Ramirez-Losilla, Enrique; Demadis, Konstantinos D.; [et al.] (The Royal Society of Chemistry, 2019-12-27)
        Synthesis redesign and derivatisation of Fe(II)-hydroxyphosphonoacetate, incorporating different ammonia loads and M(II) isomorphic substitutions (M = Mn, Co and Zn), have been implemented. The NH3 adsorption led to materials ...
      • Oxidative Condensation of Furfural with Ethanol Using Pd-Based Catalysts: Influence of the Support 

        Cecilia, Juan Antonio; Jiménez-Gómez, Carmen Pilar; Torres-Bujalance, Virginia; García-Sancho, Cristina; Moreno-Tost, Ramon; [et al.] (MDPI, 2020-11-12)
        PdO nanoparticles were deposited on several supports (β-zeolite, Al2O3, Fe2O3, MgO, and SiO2), which displayed different crystallinity, textural properties, and amount of acid and basic sites. These catalysts were characterized ...
      • Phase and microstructure evolutions in LC3 binders by multi-technique approach including synchrotron microtomography 

        Bernal, Isabel M.R.; Shirani, Shiva; Cuesta-Garcia, Ana Maria; Santacruz-Cruz, Maria Isabel; García-Aranda, Miguel Ángel (Elsevier, 2021-06-19)
        Limestone Calcined Clay Cements, LC3, are attracting a lot of attention as it is possible to reduce the clinker factor by 50%, which means a cement CO2 footprint reduction of 40%. This is compatible with maintaining the ...
      • Phase Transformation Dynamics in Sulfate-Loaded Lanthanide Triphosphonates. Proton Conductivity and Application as Fillers in PEMFCs 

        Ruiz Salcedo, Inés; Colodrero, Rosario M.P.; Bazaga García, Montse; López González, M. Mar C.; del Río, Carmen; [et al.] (ACS Publications. American Chemical Society, 2021)
        Phase transformation dynamics and proton conduction properties are reported for cationic layer-featured coordination polymers derived from the combination of lanthanide ions (Ln3+) with nitrilo-tris(methylenephosphonic ...
      • Phase-selective degree of hydration at setting: An in situ synchrotron diffraction study 

        Morales-Cantero, Alejandro; Cuesta, Ana; Santacruz-Cruz, Maria Isabel; Aranda, Miguel A.G.; De la Torre, Angeles G. (Elsevier, 2022-03)
        Setting of Portland cements is still not well understood. Previous studies used techniques that analyse the pastes as a whole to correlate setting times with degree of hydration. Here, in-situ synchrotron X-ray diffraction ...
      • Phosphonate Decomposition-Induced Polyoxomolybdate Dumbbell-Type Cluster Formation: Structural Analysis, Proton Conduction, and Catalytic Sulfoxide Reduction 

        Armakola, Eirini; Ruiz Salcedo, Inés; Bazaga García, Montse; Mezei, Gellert; Cabeza-Diaz, Aurelio; [et al.] (ACS publications, 2019-08-12)
        The reaction of MoO4^2− with a number of phosphonic acids [bis-(phosphonomethyl)glycine, R,S-hydroxyphosphonoacetic acid, 1-hydroxyethane-1,1-diphosphonic acid, phenylphosphonic acid, aminotris(methylene phosphonic acid), ...
      • Photodegradation of Phenol over a Hybrid Organo-Inorganic Material: Iron(II) Hydroxyphosphonoacetate 

        Bazaga García, Montse; Cabeza-Diaz, Aurelio; Olivera-Pastor, Pascual; Santacruz-Cruz, Maria Isabel; Colodrero, Rosario M.P.; [et al.] (American Chemical Society, 2012-06-20)
        Water treatment is a hot topic, and it will become much more important in the decades ahead. Advanced oxidation processes are being increasingly used for organic contaminant removal, for example using photo-Fenton reactions. ...
      • Porous SiO2 Nanospheres Modified with ZrO2 and Their Use in One- Pot Catalytic Processes to Obtain Value-Added Chemicals from Furfural 

        Maderuelo Solera, Rocío; Richter, Stefan; Jiménez-Gómez, Carmen Pilar; García Sancho, Cristina; García Mateos, Francisco J.; [et al.] (American Chemical Society, 2021-11-26)
        Porous SiO2 nanospheres have been modified with different proportion of ZrO2 to obtain catalysts with Si/Zr molar ratio between 2.5 and 30. These materials were characterized by X-ray diffraction, transmission electron ...
      • Portland and belite cement hydration acceleration by C-S-H seeds with variable w/c ratios 

        Mazanec, Oliver; Borralleras, Pere; Weldert, Kai S.; Gastaldi, Daniela; Canonico, Fulvio; [et al.] (Materials, 2022)
        The acceleration of very early age cement hydration by C-S-H seeding is getting attention from scholars and field applications because the enhanced early age features do not compromise later age performances. This acceleration ...
      • Processing and characterisation of standard and doped alite-belite-ye'elimite ecocement pastes and mortars 

        Zea-Garcia, Jesus D.; Gomez-de-la-Torre, Maria de los Angeles; García-Aranda, Miguel Ángel; Santacruz-Cruz, Maria Isabel (2020-02-26)
        Here, we report the processing optimisation of two laboratory-prepared alite-belite-ye'elimite ecocements (standard and doped) that release to the atmosphere ~13% less CO2 than Portland Cement during fabrication. The ...
      • Properties and Applications of Metal Phosphates and Pyrophosphates as Proton Conductors 

        P. Colodrero, Rosario M.; Olivera-Pastor, Pascual; Cabeza-Diaz, Aurelio; Bazaga-García, Montse (MDPI, 2022-02-09)
        We review the progress in metal phosphate structural chemistry focused on proton conductivity properties and applications. Attention is paid to structure–property relationships, which ultimately determine the potential ...
      • Pseudo-cubic crystal structure and phase transition in doped ye'elimite 

        Cuesta-Garcia, Ana Maria; Gomez-de-la-Torre, Maria de los Angeles; Losilla, Enrique R.; Santacruz-Cruz, Maria Isabel; García-Aranda, Miguel Ángel (ACS publications, 2014)
        Sodalites are tridimensional alumino-silicate materials containing cages where loosely bonded anions are located. Ye'elimite, Ca4[Al6O12]SO4, is outstanding as an aluminate sodalite with a flexible framework accepting ...
      • Quantitative disentanglement of nanocrystalline phases in cement pastes by synchrotron ptychographic X-ray tomography 

        Cuesta-Garcia, Ana Maria; Gomez-de-la-Torre, Maria de los Angeles; Santacruz-Cruz, Maria Isabel; Diaz, Ana; Trtik, Pavel; [et al.] (IUCr, 2019)
        Mortars and concretes are ubiquitous materials with very complex hierarchical microstructures. To fully understand their main properties and to decrease their CO2 footprint, a sound description of their spatially resolved ...
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
         

         

        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA
        REPOSITORIO INSTITUCIONAL UNIVERSIDAD DE MÁLAGA