• openAccess   Cooperative kinetics of depolarization in CH3NH3PbI3 perovskite solar cells 

      Bertoluzzi, Luca; S. Sánchez, Rafael; Liu, Linfeng; Lee, Jin Wook; Mas, Elena; Han, Hongwei; Park, Nam-Gyu; Mora-Sero, Ivan; Bisquert, Juan Royal Society of Chemistry (2015)
      Despite the large photovoltaic performance recently achieved, many aspects of the working principles of hybrid organic–inorganic perovskite solar cells remain to be unveiled. We analyze the experimental features observed ...
    • openAccess   Effect of different lead precursors on perovskite solar cell performance and stability 

      Aldibaja, Fadi Kamal; Badia Bou, Laura; Mas, Elena; S. Sánchez, Rafael; Barea, Eva M; Mora-Sero, Ivan Royal Society of Chemistry (2014-12)
      We present the use of halide (PbCl2) and non-halide lead precursors (Pb(OAc)2 (OAc = CH3CH2COO−), Pb(NO3)2, Pb(acac)2 (acac = (CH3COCHCOCH3)−) and PbCO3) for the preparation of perovskite solar cells. We have confirmed by ...
    • 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 ...
    • closedAccess   Inorganic Surface Engineering to Enhance Perovskite Solar Cell Efficiency 

      Aeineh, Naemeh; Barea, Eva M; Behjat, Abbas; Sharifi, Nafiseh; Mora-Sero, Ivan American Chemical Society (2017-03-29)
      The photoconversion efficiency of perovskite solar cells (PSCs) is enhanced by the deposition of inorganic nanoparticles (NPs) at the interface between the compact TiO2 electron-selective contact and the mesoporous TiO2 ...
    • 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 ...
    • 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   The Swift Surge of Perovskite Photovoltaics 

      Bisquert, Juan American Chemical Society (2013)
      The breakthrough early 1990s dye sensitization of mesoscopic TiO2 films along with a regenerative iodide redox couple led to the explosive growth of dye-sensitized solar cell (DSC) research. The pioneering work of Grätzel ...
    • closedAccess   Theory of Impedance and Capacitance Spectroscopy of Solar Cells with Dielectric Relaxation, Drift-Diffusion Transport, and Recombination 

      Bisquert, Juan; Bertoluzzi, Luca; Mora-Sero, Ivan; Garcia-Belmonte, Germà American Chemical Society (2014-07)
      Semiconductor photovoltaic devices currently investigated, such as hybrid organic–inorganic lead halide perovskite based solar cells, have shown a high dielectric polarization combined with ambipolar carrier transport. In ...
    • closedAccess   Trend of Perovskite Solar Cells: Dig Deeper to Build Higher 

      Zhu, Kai; Miyasaka, Tsutomu; Kim, Jin Young; Mora-Sero, Ivan American Chemical Society (2015-06)
      Using solar energy efficiently to produce electricity has been the subject of intensive research because of the rapid increase of global energy demand and the need to reduce the emission of greenhouse gases from electricity ...