Listar por autoría "8db83fdc-3517-44da-a567-3d7161f28962"

Mostrando ítems 1-20 de 24

    • openAccess   Ceramic Enamels as New Back Contacts for Cu (In, Ga) Se2-Based Photovoltaic Tile 

      Fraga Chiva, Diego; Lyubenova, Teodora; Rey, Aitor; Calvet Roures, Iván; Martí Valls, Rafael; Carda Castelló, Juan Bautista Wiley (2015-02)
      In this work, we investigated the properties of silver and gold enamels as potential back contacts for Cu (In, Ga) Se2 (CIGS) solar cells. The enamels were deposited on ceramic tiles by nonvacuum printing techniques. Thus, ...

    • openAccess   Ceramic porcelain stoneware production with Spanish clays purified by means of the removal of iron compounds and organic matter using physical methods 

      BARRACHINA ALBERT, ESTER; Calvet Roures, Iván; Fraga Chiva, Diego; Carda Castelló, Juan Bautista Elsevier (2017)
      As the production of ceramic porcelain stoneware in Spain is totally conditioned by the importation of ball clays, because of the lack of adequate Spanish ball clays, this work has focused on the formulation of ceramic ...

    • openAccess   Ciència dels materials: metalls, ceràmiques i polímers 

      Carda Castelló, Juan Bautista; Fraga Chiva, Diego; BARRACHINA ALBERT, ESTER; Calvet Roures, Iván; González Cuadra, Jaime; Porcar García, Samuel Publicacions de la Universitat Jaume I (2022)

    • openAccess   Cómo mejorar el interés y la motivación de los alumnos de 2º de ESO por la Física y Química 

      Fraga Chiva, Diego Universitat Jaume I (2018-07-18)
      En este trabajo fin de master (TFM) se lleva a cabo una innovación en el aula, donde se utiliza la metodología investigación-acción. El área de mejora que se trabaja es el desinterés y la falta de motivación que tienen ...

    • closedAccess   Crystal structure and spectroscopy studies of the thulium acid pyrophosphate HTmP2O7·3H2O 

      Alaoui Tahiri, Aziz; LACHKAR, Mohammed; Dusek, Michal; Carda Castelló, Juan Bautista; Lyubenova, Teodora; Fraga Chiva, Diego; El Bali, Brahim Elsevier (2020-09-02)
      Crystals of HTmP2O7·3H2O were prepared via a soft chemistry route. Its crystal structure was solved from single-crystal diffraction data. The compound crystallises in the triclinic space group P-1, with the unit cell ...

    • openAccess   Desarrollo y caracterización de un nuevo esmalte antideslizante de textura lisa y de fácil limpieza para baldosas de gres porcelánico 

      BARRACHINA ALBERT, ESTER; Martín Núnez, J.A.; Fraga Chiva, Diego; Calvet Roures, Iván; Carda Castelló, Juan Bautista Elsevier (2016)
      Since conventional anti-slip enamels show some disadvantages, directly related to the surface roughness which prevents the adequate surface cleaning of tile, an anti-slip enamel exhibiting glass-ceramic nature has been ...

    • openAccess   Developing CIGS solar cells on glass-ceramic substrates 

      Fraga Chiva, Diego; BARRACHINA ALBERT, ESTER; Calvet Roures, Iván; Lyubenova, Teodora; Carda Castelló, Juan Bautista Elsevier (2018)
      Cu(In,Ga)Se2 (CIGS) is a p-type semiconductor material and an attractive absorber for thin films solar cells due to its unique optical and electrical properties. The low cost of this technology is based on its application ...

    • closedAccess   Development of photovoltaic ceramic tile based on CZTSSe absorber 

      Calvet Roures, Iván; BARRACHINA ALBERT, ESTER; Martí Valls, Rafael Francisco; Fraga Chiva, Diego; Lyubenova, Teodora; Carda Castelló, Juan Bautista Elsevier (2015)
      Ceramic photovoltaic tile based on Cu2ZnSn(S,Se)4 semiconductor has been made by low-cost and easy processing method of preparation. Ceramic tile as alternative of soda-lime glass substrate has been used. The molybdenum ...

    • openAccess   Easy and low-cost aqueous precipitation method to obtain Cu2ZnSn(S, Se)4 thin layers 

      Martí Valls, Rafael Francisco; Lyubenova, Teodora; Calvet Roures, Iván; Ladeira de Oliveira, L.; Fraga Chiva, Diego; Carda Castelló, Juan Bautista Elsevier (2017)
      An easy method to obtain kesterite Cu2ZnSn(Se1-x,Sx)4 (CZTSSe) solid solution as an absorber for thin film photovoltaic solar cells is discussed in this report. Particular emphasis is directed toward the procedure´s steps ...

    • openAccess   Ecologic ceramic substrates for CIGS solar cells 

      Fraga Chiva, Diego; Lyubenova, Teodora; Martí Valls, Rafael Francisco; Calvet Roures, Iván; BARRACHINA ALBERT, ESTER; Carda Castelló, Juan Bautista Elsevier (2016)
      In this work the use of porcelain stoneware tiles as alternative substrates for CIGS thin film solar cells for the development of specific applications as those related to building integration (BIPV, BAPV) are reported. ...

    • openAccess   Effect of Al, Ga, and In Doping on the Optical, Structural, and Electric Properties of ZnO Thin Films 

      Porcar García, Samuel; González Cuadra, Jaime; Fraga Chiva, Diego; Stoyanova Lyubenova, Teodora; Soraca, Gina; Carda Castelló, Juan Bautista MDPI (2021-11-01)
      ZnO thin films with oxygen vacancies and doped with Al, Ga, and In (Zn1-xMxO1−y (x = 0.03)) have been successfully deposited on soda-lime glass substrates using a simple soft chemical method. The crystalline structure shows ...

    • openAccess   Effect of alkali doping on CIGS photovoltaic ceramic tiles 

      Fraga Chiva, Diego; Lyubenova, Teodora; Martí, R.; Calvet Roures, Iván; BARRACHINA ALBERT, ESTER; Carda Castelló, Juan Bautista Elsevier (2017)
      This report studies the influence of alkali elements (Na, K) to morphological, structural and optoelectronic properties of CIGS ceramic tile solar cell. Several ceramic enamels with altered chemical composition in terms ...

    • openAccess   Elaboration of advanced glass-ceramic glaze for anti-slip porcelain stoneware 

      BARRACHINA ALBERT, ESTER; Calvet Roures, Iván; Fraga Chiva, Diego; Martín Núñez, José Antonio; Kozhukharov, Stephan; Carda Castelló, Juan Bautista University of Chemical Technology and Metallurgy (Sofía. Bulgaria) (2017-05)
      The present communication describes the synthesis of anti-slip enamel exhibiting glass-ceramic nature using new matte frits and raw materials. The glass-ceramic glazes obtained are characterized by various instrumental ...

    • openAccess   Enhanced Electrical Properties of Alkali-Doped ZnO Thin Films with Chemical Process 

      González Cuadra, Jaime; Porcar García, Samuel; Fraga Chiva, Diego; Lyubenova, Teodora; Carda Castelló, Juan Bautista MDPI (2021)
      Doped ZnO are among the most attractive transparent conductive oxides for solar cells because they are relatively cheap, can be textured for light trapping, and readily produced for large-scale coatings. Here, we focus on ...

    • openAccess   Functional properties of transparent ZnO thin films synthetized by using spray pyrolysis for environmental and biomedical applications 

      González Cuadra, Jaime; Sousa, Ana Cristina Estrada Morais Gonçalves de; Oliveira, Cláudia; Lahlahi Attalhaoui, Abderrahim; Porcar García, Samuel; Fraga Chiva, Diego; Trindade, Tito; Seabra, Maria Paula; Labrincha, Joao; Carda Castelló, Juan Bautista Elsevier (2023-08-02)
      Spray pyrolysis is a promising method for producing thin, transparent films on glass substrates. ZnO thin films synthesized by this method exhibit high crystallinity, adhesion and chemical resistance. They also possess the ...

    • openAccess   Incorporación de residuos derivados de la fabricación cerámica y del vidrio reciclado en el proceso cerámico integral 

      Lázaro, C.; Ramón Trilles, V.; Gómez, F.; Allepuz, S.; Fraga Chiva, Diego; Carda Castelló, Juan Bautista Sociedad Española de Cerámica y Vidrio (2012-03)
      The following research work shows the results of the introduction of waste generated by the ceramic industry, such as the calcined clay from fired porcelain of stoneware and raw biscuit, sludge and cleaning water, as well ...

    • openAccess   Las baldosas cerámicas, ¿un campo atractivo en la investigación del siglo XXI? 

      BARRACHINA ALBERT, ESTER; Fraga Chiva, Diego; Calvet Roures, Iván; Carda Castelló, Juan Bautista Omnimedia (2016-01)
      El sector cerámico español especializado en baldosas cerámicas (pavimento y revestimiento) está concentrado geográficamente en la provincia de Castellón, en una zona delimitada al norte, por las localidades de L´ Alcora ...

    • openAccess   Multifunctional silver-coated transparent TiO2 thin films for photocatalytic and antimicrobial applications 

      González Cuadra, Jaime; Molina-Prados, Sergio; Mínguez-Vega, Gladys; Estrada, Ana C.; Trindade, Tito; Oliveira, C.; Seabra, M. P.; Labrincha, Joao; Porcar García, Samuel; Cadena, R.; Fraga Chiva, Diego; Carda Castelló, Juan Bautista Elsevier (2023)
      Transparent TiO2 thin films coated with Ag NPs were synthesized using two industrially applicable techniques, pulsed laser ablation (PLAL) and spray pyrolysis without using high vacuum. These transparent thin films ...

    • openAccess   Multifunctional smart coatings on novel ceramics and glassceramic substrates in the context of the circular economy 

      Lyubenova, Teodora; Fraga Chiva, Diego; Carda Castelló, Juan Bautista; Kozhukharov, Vladimir; Machkova, Maria S. University of Chemical Technology and Metallurgy (Bulgaria) (2018)
      Nowadays is time of products generated by “smart coatings” that exhibit multiple functionalities. In particular, the construction industry is reached the point where it is possible to fabricate “smart and sustainable” ...

    • openAccess   Práctica de laboratorio: Síntesis y depósito de capas fotoabsorbentes tipo CIGS para dispositivos fotovoltaicos 

      Martí Valls, Rafael Francisco; BARRACHINA ALBERT, ESTER; Fraga Chiva, Diego; Calvet Roures, Iván; Lyubenova, Teodora; Carda Castelló, Juan Bautista Universitat Jaume I (2015)