Listar Institute of Advanced Materials (INAM) por título

Mostrando ítems 53-72 de 511

    • openAccess   Assessing the Drawbacks and Benefits of Ion Migration in Lead Halide Perovskites 

      Sakhatskyi, Kostiantyn; John, Rohit Abraham; Guerrero, Antonio; Tsarev, Sergey; Sabisch, Sebastian; Das, Tisita; Matt, Gebhard J.; Yakunin, Sergii; Cherniukh, Ihor; Kotyrba, Martin; Berezovska, Yuliia; Bodnarchuk, Maryna; Chakraborty, Sudip; Bisquert, Juan; Kovalenko, Maksym V. American Chemical Society (2022-10-14)
      Since the inception of the unprecedented rise of halide perovskites for photovoltaic research, ion migration has shadowed this material class with undesirable hysteresis and degradation effects, limiting its practical ...

    • closedAccess   Assessment of the PETase conformational changes induced bypoly(ethylene terephthalate) binding 

      Costa, Clauber Henrique Souza da; dos Santos, lberto M.; Nahum Alves, Cláudio; Martí, Sergio; Moliner, Vicent; Santana, Kauê; Lameira, Jerônimo Wiley (2021-06-02)
      Recently, a bacterium strain of Ideonella sakaiensis was identified with the uncommon ability to degrade the poly(ethylene terephthalate) (PET). The PETase from I. sakaiensis strain 201-F6 (IsPETase) catalyzes the hydrolysis ...

    • openAccess   Balanced change in crystal unit cell volume and strain leads to stable halide perovskite with high guanidinium content 

      Serafini, Patricio; Gualdrón Reyes, Andrés Fabián; S. Sánchez, Rafael; Barea, Eva M; Masi, Sofia; Mora-Sero, Ivan Royal Society of Chemistry (2022)
      Up-to-date studies propose that strain in halide perovskites is one of the key factors that determine a device's efficiency and stability. Here, we show a systematic approach to characterize the phenomenon in the standard ...

    • openAccess   Ballistic-like space-charge-limited currents in halide perovskites at room temperature 

      Almora Rodríguez, Osbel; Miravet, Daniel; García-Batlle, Marisé; Garcia-Belmonte, Germà American Institute of Physics (2021-12-13)
      The emergence of halide perovskites in photovoltaics has diversified the research on this material family and extended their application toward several fields in the optoelectronics, such as photo- and ionizing-radiation ...

    • openAccess   Beyond Impedance Spectroscopy of Perovskite Solar Cells: Insights from the Spectral Correlation of the Electrooptical Frequency Techniques 

      Bou, Agustín; Pockett, Adam; Raptis, Dimitrios; Watson, Trystan; Carnie, Matt; Bisquert, Juan American Chemical Society (2020-09-21)
      Small perturbation techniques have proven to be useful tools for the investigation of perovskite solar cells. A correct interpretation of the spectra given by impedance spectroscopy (IS), intensity-modulated photocurrent ...

    • openAccess   Beyond Protocols: Understanding the Electrical Behavior of Perovskite Solar Cells by Impedance Spectroscopy 

      Ghahremanirad, Elnaz; Almora Rodríguez, Osbel; Suresh, Sunil; Drew, Amandine A.; Chowdhury, Towhid; Uhl, Alexander R. Wiley (2023-08-11)
      Impedance spectroscopy (IS) is an effective characterization technique used to probe and distinguish charge dynamics occurring at different timescales in optoelectronic and electric devices. With the rapid rise of research ...

    • openAccess   Boosting Long-Term Stability of Pure Formamidinium Perovskite Solar Cells by Ambient Air Additive Assisted Fabrication 

      muhammed, kunnummal; Masi, Sofia; Gualdrón Reyes, Andrés Fabián; S. Sánchez, Rafael; Barea, Eva M; Kreĉmarová, Marie; Sánchez Royo, Juan Francisco; Mora-Sero, Ivan American Chemical Society (2021-09-13)
      Due to the high industrial interest for perovskite-based photovoltaic devices, there is an urgent need to fabricate them under ambient atmosphere, not limited to low relative humidity (RH) conditions. The formamidinium ...

    • openAccess   Buried Interface Passivation of Perovskite Solar Cells by Atomic Layer Deposition of Al2O3 

      Ghosh, Sudeshna; Pariari, Debasmita; Behera, Tejmani; Boix, Pablo P; Ganesh, Narasimha; Basak, Susmita; Vidhan, Arya; Sarda, Nisha; Mora-Sero, Ivan; Chowdhury, Arindam; Narayan, K.S.; Sarma, D. D.; Sarkar, Shaibal American Chemical Society (2023-04-14)
      Despite having long excited carrier lifetimes and high mobilities in hybrid halide perovskite materials, conventional (n-i-p) devices exhibit significant interfacial nonradiative recombination losses that are little ...

    • closedAccess   C60 Thin Films in Perovskite Solar Cells: Efficient or Limiting Charge Transport Layer? 

      Klipfel, Nadja; Alvarez, Agustin; Kanda, Hiroyuki; Sutanto, Albertus Adrian; Igci, Cansu; Roldán-Carmona, Cristina; Momblona, Cristina; Fabregat-Santiago, Francisco; Nazeeruddin, Mohammad Khaja American Chemical Society (2022-02-28)
      In this work, we identify the importance of C60 and compact-TiO2 (cTiO2) as electron transport layers on the device performance of coevaporated n–i–p perovskite solar cells. We found (1) a synergetic effect between both ...

    • openAccess   Carbonyl Iron Foam Surfaces Modified with Poly (L-Lysine) As Smart Surface for Bone Implant 

      Macko, Jan; Echeverría-Arrondo, Carlos; Podrojková, Natália; Brito Barrera, Yazmin Angelina; Kindi, Husnia; Sisáková, Katarína; Gorejová, Radka; Jendželovsky, Rastislav; Buľková, Viktória; Mora-Sero, Ivan; Sans, Victor; Oriňaková, Renáta; Groth, Thomas; Orinak, Andrej BiomedGrid (2021-09-30)
      This article presents the surface modification of iron Fe (110) surfaces with Poly-L-Lysine (PLL) with the aim of preparing carbonyl iron bone implants which are less corrosive and more compatible with fibroblast cells. ...

    • openAccess   Catalysis Meets Spintronics; Spin Potentials Associated with Open-Shell Orbital Configurations Enhance the Activity of Pt3Co Nanostructures for Oxygen Reduction: A Density Functional Theory Study 

      Biz, Chiara; Fianchini, Mauro; Gracia, Jose American Chemical Society (2020)
      One of the main obstacles in the implementation of hydrogen fuel cells (HFC) lies in the efficiency loss due to the overpotential of the oxygen reduction reaction (ORR). Nowadays, the best catalysts for cathodes in HFC are ...

    • openAccess   Catalyst design for highly efficient carbon dioxide hydrogenation to formic acid under buffering conditions 

      Weilhard, Andreas; Salzmann, Kevin; Navarro, Miquel; Dupont, Jairton; albrecht, martin; Sans, Victor Elsevier (2020-03-19)
      We report on new ruthenium complexes as catalysts for the efficient transformation of CO2 into formic acid employing basic ionic liquids as buffering media. Remarkably, these complexes catalyze the hydrogenation of CO2 ...

    • openAccess   Catalytic conversion of alkynes to α-vinyl sulfides mediated by carbene-linker-carbene (CXC) rhodium and iridium complexes 

      Tolley, Lewis C.; Fernandez, Israel; Bezuidenhout, Daniela; Guisado-Barrios, Gregorio The Royal Society of Chemistry (2021-01-21)
      The catalytic activity of a set of mono- and bimetallic Rh(I) and Ir(I) complexes bearing carbene-linker-carbene (CXC) bis-triazolylidene ligands (with X = O, N) coordinated in a bridging or chelating fashion was evaluated ...

    • openAccess   Categorical Variable Mapping Considerations in Classification Problems: Protein Application 

      Alfonso Perez, Gerardo; Castillo, Raquel MDPI (2023)
      The mapping of categorical variables into numerical values is common in machine learning classification problems. This type of mapping is frequently performed in a relatively arbitrary manner. We present a series of four ...

    • openAccess   Cation-Driven Self-Assembly of a Gold(I)-Based Metallo-Tweezer 

      Ibáñez, Susana; Poyatos, Macarena; Peris, Eduardo Wiley (2017-08-07)
      A combination of self-complementary pi-pi-stacking interactions and metallophilic interactions triggered the self-assembly of a new digold(I) metallo-tweezer in the presence of several types of M+ ions. Titrations by ...

    • openAccess   Caught in Action: X-ray Structure of Thymidylate Synthase with Noncovalent Intermediate Analog 

      Kholodar, Svetlana; Finer-Moore, Janet; Świderek, Katarzyna; Arafet Cruz, Kemel; Moliner, Vicent; Stroud, Robert M.; Kohen, Amnon American Chemical Society (2021-04-08)
      Methylation of 2-deoxyuridine-5′-monophosphate (dUMP) at the C5 position by the obligate dimeric thymidylate synthase (TSase) in the sole de novo biosynthetic pathway to thymidine 5′-monophosphate (dTMP) proceeds by forming ...

    • closedAccess   Changes from Bulk to Surface Recombination Mechanisms between Pristine and Cycled Perovskite Solar Cells 

      Correa-Baena, Juan-Pablo; Turren Cruz, Silver Hamill; Tress, Wolfgang; Hagfeldt, Anders; Aranda Alonso, Clara; Shooshtari, Leyla; Bisquert, Juan; Guerrero, Antonio American Chemical Society (2017)
      Several aspects on the photophysical characterization of lead halide hybrid organic–inorganic perovskite solar cells remain unsolved. It has been observed that ionic transport and polarization of the interfaces cause very ...

    • openAccess   Characterization of Aerosol Deposited Cesium Lead Tribromide Perovskite Films on Interdigited ITO Electrodes 

      These, Albert; Khansur, Neamul H; Almora Rodríguez, Osbel; Luer, Larry; Matt, Gebhard J.; Eckstein, Udo; Barabash, Anastasia; Osvet, Andres; Webber, Kyle; Brabec, Christoph J. John Wiley & Sons (2021-01-15)
      Aerosol deposition (AD) is a promising additive manufacturing method to fabricate low-cost, scalable films at room temperature, but has not been considered for semiconductor processing, so far. The successful preparation ...

    • openAccess   Chemi-Structural Stabilization of Formamidinium Lead Iodide Perovskite by Using Embedded Quantum Dots 

      Masi, Sofia; Echeverría-Arrondo, Carlos; muhammed, kunnummal; Ngo, Thi Tuyen; Mendez, Perla F.; López-Fraguas, Eduardo; Macias-Pinilla, David F.; Planelles, Josep; Climente, Juan I.; Mora-Sero, Ivan American Chemical Society (2020-01-6)
      The approaches to stabilize the perovskite structure of formamidinium lead iodide (FAPI) commonly result in a blue shift of the band gap, which limits the maximum photoconversion efficiency. Here, we report the use of PbS ...

    • openAccess   Chemical Inductor 

      Bisquert, Juan; Guerrero, Antonio American Chemical Society (2022-03-22)
      A multitude of chemical, biological, and material systems present an inductive behavior that is not electromagnetic in origin. Here, it is termed a chemical inductor. We show that the structure of the chemical inductor ...