Listar por tema "potassium"

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    • 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   Potassium ions as a kinetic controller in ionic double layers for hysteresis-free perovskite solar cells 

      kim, Seul-Gi; Cheng, Li; Guerrero, Antonio; Kim, June-Mo; Zhong, Yu; Bisquert, Juan; Huettner, Sven; Park, Nam-Gyu Royal Society of Chemistry (2019-07-22)
      Since ion migration and interaction with external contacts has been regarded as one of the origins for photocurrent density (J)–voltage (V) hysteresis and phase segregation in perovskite solar cells (PSCs) under operational ...