• openAccess   Comparison between Trion and Exciton Electronic Properties in CdSe and PbS Nanoplatelets 

      Macias-Pinilla, David F.; Planelles, Josep; Mora-Sero, Ivan; Climente, Juan I. American Chemical Society (2021-07-07)
      The optoelectronic properties of metal chalcogenide colloidal nanoplatelets are often interpreted in terms of excitonic states. However, recent spectroscopic experiments evidence the presence of trion states, enabled ...
    • openAccess   Crystalline-Size Dependence of Dual Emission Peak on Hybrid Organic Lead-Iodide Perovskite Films at Low Temperatures 

      Chulia-Jordan, Raquel; Mas, Elena; Segura, Alfredo; Bisquert, Juan; Martínez-Pastor, Juan P. American Chemical Society (2018-09)
      In this work, we have investigated the crystalline-size dependence of optical absorption and photoluminescence emission of CH3NH3PbI3 films, which is necessary to identify the potential practical applications of the gadgets ...
    • openAccess   Morphology and Band Structure of Orthorhombic PbS Nanoplatelets: An Indirect Band Gap Material 

      Macias-Pinilla, David F.; Echeverría-Arrondo, Carlos; Gualdrón Reyes, Andrés Fabián; Agouram, Said; Muñoz-Sanjosé, Vicente; Planelles, Josep; Mora-Sero, Ivan; Climente, Juan I. American Chemical Society (2021-01-12)
      PbS quantum dots and nanoplatelets (NPLs) are of enormous interest in the development of optoelectronic devices. However, some important aspects of their nature remain unclear. Recent studies have revealed that colloidal ...
    • openAccess   Origin of discrete donor–acceptor pair transitions in 2D Ruddlesden–Popper perovskites 

      Gorji, Setatira; Krecmarova, Marie; Molina-Sánchez, Alejandro; Asensio, Maria C.; Gualdrón Reyes, Andrés Fabián; Rodríguez Romero, Jesús; Pashaei Adl, Hamid; Canet Albiach, Rodolfo Enrique; Schio, Luca; Tormen, Massimo; Floreano, Luca; Mora-Sero, Ivan; Martínez-Pastor, Juan P.; Sánchez Royo, Juan Francisco; Muñoz-Matutano, Guillermo American Institute of Physics (2024)
      Two-dimensional (2D) van der Waals nanomaterials have attracted considerable attention for potential use in photonic and light–matter applications at the nanoscale. Thanks to their excitonic properties, 2D perovskites are ...
    • openAccess   Origin of photovoltage in perovskite solar cells probed by first-principles calculations 

      Echeverría-Arrondo, Carlos (2018-06-04)
      Hybrid halide perovskite solar cells hold great potential for photovoltaic applications, but suffer, however, from anomalous current density-voltage characteristics. With a view to further understanding the performance of ...