Listar por autoría "a01a1f54-e127-4711-beba-0c5b1be2e4c2"

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    • closedAccess   Effect of Mesostructured Layer upon Crystalline Properties and Device Performance on Perovskite Solar Cells 

      Listorti, Andrea; Juarez-Perez, Emilio J.; Frontera, Carlos; Roiati, Vittoria; García Andrade, Laura; Colella, Silvia; Rizzo, Aurora; Ortiz, Pablo; Mora-Sero, Ivan American Chemical Society (2015-04)
      One of the most fascinating characteristics of perovskite solar cells (PSCs) is the retrieved obtainment of outstanding photovoltaic (PV) performances withstanding important device configuration variations. Here we have ...

    • openAccess   Electrical field profile and doping in planar lead halide perovskite solar cells 

      Guerrero, Antonio; Juarez-Perez, Emilio J.; Bisquert, Juan; Mora-Sero, Ivan; Garcia-Belmonte, Germà AIP Publishing (2014-09-29)
      Hybrid lead halide perovskites (PVKs) have emerged as novel materials for photovoltaics and have rapidly reached very large solar to electricity power conversion efficiencies. As occurring with other kind of solar technologies ...

    • openAccess   Fast and low temperature growth of electron transport layers for efficient perovskite solar cells 

      Zhang, Jie; Juarez-Perez, Emilio J.; Mora-Sero, Ivan; Viana, Bruno; Pauporté, Thierry Royal Society of Chemistry (2015-01)
      We describe a fast, simple and low temperature electrochemical technique for the preparation of zinc oxide layers on rigid and flexible substrates. The layers, prepared from a zinc nitrate precursor, are of high structural ...

    • openAccess   Fast synthesis of micro/mesoporous xerogels: Textural and energetic assessment 

      Isaacs Páez, Elisabeth; Haro, Marta; Juarez-Perez, Emilio J.; Jiménez Carmona, Rocío; Parra Soto, José Bernardo; Leyva Ramos, Roberto; Ovín Ania, María Concepción Elsevier (2015)
      The sol–gel polymerization of resorcinol/formaldehyde mixtures to obtain porous gels is typically a long process performed throughout several days. In this work, we have explored an experimental approach to reduce the time ...

    • closedAccess   General Working Principles of CH3NH3PbX3 Perovskite Solar Cells 

      González Pedro, Victoria; Juarez-Perez, Emilio J.; Arsyad, Waode Sukmawati; Barea, Eva M; Fabregat-Santiago, Francisco; Mora-Sero, Ivan; Bisquert, Juan American Chemical Society (2014)
      Organometal halide perovskite-based solar cells have recently realized large conversion efficiency over 15% showing great promise for a new large scale cost-competitive photovoltaic technology. Using impedance spectroscopy ...

    • openAccess   Influence of the substrate on the bulk properties of hybrid lead halide perovskite films 

      Climent-Pascual, Esteban; Clasen Hames, Bruno; Moreno Ramírez, Jorge S.; Álvarez, Ángel Luis; Juarez-Perez, Emilio J.; Mas, Elena; Mora-Sero, Ivan; De Andrés, Alicia; Coya, Carmen Royal Society of Chemistry (2016-10)
      In addition to the known effect of the substrate on the interfacial properties of perovskite films, here we show that the bulk properties of hybrid lead halide perovskite films depend on the type of substrate used for film ...

    • openAccess   Mechanism of carrier accumulation in perovskite thin-absorber solar cells 

      Mora-Sero, Ivan; González Pedro, Victoria; Fabregat-Santiago, Francisco; Juarez-Perez, Emilio J.; Kim, Hui-Seon; Park, Nam-Gyu; Bisquert, Juan Nature Publishing Group (2013)
      Photovoltaic conversion requires two successive steps: accumulation of a photogenerated charge and charge separation. Determination of how and where charge accumulation is attained and how this accumulation can be identified ...

    • openAccess   Mechanisms of Spontaneous and Amplified Spontaneous Emission in CH3NH3PbI3 Perovskite Thin Films Integrated in an Optical Waveguide 

      Suárez, Isaac; Juarez-Perez, Emilio J.; Chirvony, Vladimir; Mora-Sero, Ivan; Martínez-Pastor, Juan P. American Physical Society (2020)
      In this paper, the physical mechanisms responsible for optical gain in CH3NH3PbI3 (MAPI) polycrystalline thin films are investigated experimentally and theoretically. Waveguide structures composed by a MAPI film embedded ...

    • openAccess   Organoselenium( II ) halides containing the pincer 2,6-(Me 2 NCH 2 ) 2 C 6 H 3 ligand – an experimental and theoretical investigation 

      Pop, Alexandra; Silvestru, Anca; Juarez-Perez, Emilio J.; Arca, Massimiliano; Lippolis, Vito; Silvestru, Cristian Royal Society of Chemistry (2014)
      New organoselenium( II )halidesofthetype[RSe] + X − [R = 2,6-(Me 2 NCH 2 ) 2 C 6 H 3 ;X=Cl( 2 ), Br ( 3 ), I ( 4 )] were prepared by cleavage of the Se – Se bond in R 2 Se 2 ( 1 )withSO 2 ...

    • closedAccess   Photoinduced Giant Dielectric Constant in Lead Halide Perovskite Solar Cells 

      Juarez-Perez, Emilio J.; S. Sánchez, Rafael; Badia Bou, Laura; Garcia-Belmonte, Germà; Kang, Yong Soo; Mora-Sero, Ivan; Bisquert, Juan American Chemical Society (2014-06)
      Organic-inorganic lead trihalide perovskites have emerged as an outstanding photovoltaic material that demonstrated a high 17.9% conversion efficiency of sunlight to electricity in a short time. We have found a giant ...

    • closedAccess   Polymer/Perovskite Amplifying Waveguides for Active Hybrid Silicon Photonics 

      Suárez, Isaac; Juarez-Perez, Emilio J.; Bisquert, Juan; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Wiley (2015-08)
      The emission properties of hybrid halide perovskites are exploited to implement a stable and very low power operation waveguide optical amplifier integrated in a silicon platform. By optimizing its design with a poly(methyl ...

    • openAccess   Recombination reduction on lead halide perovskite solar cells based on low temperature synthesized hierarchical TiO2 nanorods 

      Jaramillo Quintero, Óscar A.; Solís de la Fuente, Mauricio; S. Sánchez, Rafael; Recalde, Ileana B.; Juarez-Perez, Emilio J.; Rincón, Marina; Mora-Sero, Ivan Royal Society of Chemistry (2016)
      Intensive research on the electron transport material (ETM) has been pursued to improve the efficiency of perovskite solar cells (PSCs) and decrease their cost. More importantly, the role of the ETM layer is not yet fully ...

    • openAccess   Relative Impacts of Methylammonium Lead Triiodide Perovskite Solar Cells Based on Life Cycle Assessment 

      Alberola-Borràs, Jaume-Adrià; Vidal, Rosario; Juarez-Perez, Emilio J.; Mas, Elena; Guerrero, Antonio; Mora-Sero, Ivan Elsevier (2017-11-22)
      The environmental performance of four different device assembly procedures based on hybrid halide perovskite solar cell (PSC) were assessed from cradle to grave using life cycle assessment (LCA) methodology. In addition, ...

    • closedAccess   Role of the Selective Contacts in the Performance of Lead Halide Perovskite Solar Cells 

      Juarez-Perez, Emilio J.; Wuβler, Michael; Fabregat-Santiago, Francisco; Lakus Wollny, Kerstin; Mankel, Eric; Mayer, Thomas; Jaegermann, Wolfram; Mora-Sero, Ivan American Chemical Society (2014-01)
      The effect of electron- and hole-selective contacts in the final cell performance of hybrid lead halide perovskite, CH3NH3PbI3, solar cells has been systematically analyzed by impedance spectroscopy. Complete cells with ...

    • openAccess   Structural characterization of bulk and nanoparticle lead halide perovskite thin films by (S)TEM techniques 

      Fernández Delgado, Natalia; Herrera, M.; Delgado, F. J.; Tavabi, Amir Hossein; Luysberg, M.; Dunin-Borkowski, R. E.; Juarez-Perez, Emilio J.; Clasen Hames, Bruno; Mora-Sero, Ivan; Suárez, Isaac; Martínez-Pastor, Juan P.; Molina, S. I. IOP Publishing (2019)
      Lead halide (APbX3) perovskites, in polycrystalline thin films but also perovskite nanoparticles (NPs) has demonstrated excellent performance to implement a new generation of photovoltaic and photonic devices. The structural ...