Now showing items 1-2 of 2

  • Enhanced stability in semi-transparent PTB7/PC71BM photovoltaic cells 

    Romero Gómez, Pablo; Betancur Lopera, Rafael; Martinez Otero, Alberto; Elias Pera, Xavier; Mariano, Marina; Romero, Beatriz; Arredondo, Belen; Vergaz, Ricardo; Martorell Pena, Jordi (2015-06-01)
    Article
    Open Access
    We studied the performance over time of opaque and semi-transparent PTB7:PC71BM bulk heterojunction solar cells. For unsealed inverted configuration cells we observe that when the isolation from the environment is improved, ...
  • Wireless Inverted Pendulum using IEEE 802.15.4 Protocol 

    Hernández Herranz, Aitor (Universitat Politècnica de Catalunya, 2011-05-02)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Kungliga Tekniska högskolan
    Català: Considerant els beneficis potencials de les xarxes sense fils de sensors (WSNs), s'estan convertint en una interessant tecnologia tant per processos com per al control industrial així com per xarxes intel·ligents. ...