Ara es mostren els items 1-12 de 520

    • Substrate temperature optimization of pulsed-laser-deposited and in-situ Zn-supplemented-CZTS films and their integration into photovoltaic devices 

      Elhmaidi, Zakaria Oulad; Saucedo Silva, Edgardo Ademar; Abd-Lefdil, Mohammed; El Khakani, My Ali (2022-02-10)
      Article
      Accés obert
      The pulsed laser deposition (PLD) technique was used to deposit CZTS thin films onto SLG/Mo substrates via the KrF-laser ablation of a composite target consisting of Cu2ZnSnS4 pellet onto which Zn strips were purposely ...
    • Chapter 4: intelligent fault diagnosis of photovoltaic systems 

      Chouder, Aissa; Silvestre Bergés, Santiago (2022-07-13)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Photovoltaic (PV) systems operating in real conditions of work are very often subject to several faults that may lower significantly the produced energy and shorten their availability. Therefore, powerful and trusted fault ...
    • Bromine etching of kesterite thin films: perspectives in depth defect profiling and device performance improvement 

      Tiwari, Kunal Jogendra; Jiménez Arguijo, Alex; Giraldo, Sergio; Placidi, Marcel Jose; Calvo-Barrio, L; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Sánchez González, Yudania; Perez Rodriguez, Alejandro; Saucedo Silva, Edgardo Ademar; Jehl Li-Kao, Zacharie (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Using a controlled bromine etching on kesterite absorbers, two major results are obtained. We establish the first defect depth profiling and secondary phases depth profiling of a state of the art Cu2ZnSnSe4 (CZTSe) film ...
    • Synergetic effect induced/tuned bimetallic nanoparticles (Pt-Ni) anchored graphene as a catalyst for oxygen reduction reaction and scalable SS-314L serpentine flow field proton exchange membrane fuel cells (PEMFCs) 

      Velayutham, Rajavel; Palanisamy, Karthikeyan; Manikandan, Ramu; Velumani, Thiagarajan; Kumar AP, Senthil; Puigdollers i González, Joaquim; Chul Kim, Byung (2022-08-01)
      Article
      Accés restringit per política de l'editorial
      A simple design of electroactive and cost-effective electrocatalysts for oxygen reduction reaction (ORR) activity is crucial towards energy conversion in the commercialization of proton exchange membrane fuel cells (PEMFCs). ...
    • Life cycle assessment of different chalcogenide thin-film solar cells 

      Resalati, Shahaboddin; Okoroafor, Tobechi; Maalouf, Amani; Saucedo Silva, Edgardo Ademar; Placidi, Marcel Jose (2022-05-01)
      Article
      Accés obert
      Thin-film photovoltaics (PV) cells offer several benefits over conventional first-generation PV technologies, including lighter weight, flexibility, and lower power generation cost. Among the competing thin-film technologies, ...
    • Study of PV systems for self-consumption at the UPC based on simulations by using PVSol 

      Silvestre Bergés, Santiago (Czech Technical University, 2022)
      Comunicació de congrés
      Accés obert
      The aim of this work is to carry out a sustainability study in five campuses of the Universitat Politècnica de Catalunya BarcelonaTech (UPC) around Catalunya, i.e. Campus North and South Campuses in Barcelona city, Campus ...
    • Acceleration and drift reduction of MOX gas sensors using active sigma-delta controls based on dielectric excitation 

      Solà Peñafiel, Nil; Manyosa i Vilardell, Xavier; Navarrete Gatell, Eric; Ramos Castro, Juan José; Jiménez Serres, Vicente; Bermejo Broto, Sandra; García, Isabel; Llobet Valero, Eduard; Domínguez Pumar, Manuel (2022-08-15)
      Article
      Accés restringit per política de l'editorial
      The objective of this paper is to apply a closed-loop control based on dielectric excitation to MOX gas sensors in order to improve their response time. The control implements a feedback loop in which temperature modulations ...
    • Towards low cost and sustainable thin film thermoelectric devices based on quaternary chalcogenides 

      Isotta, Eleonora; Andrade Arvizu, Jacob; Syafiq, Ubaidah; Jiménez Arguijo, Alex; Navarro Güell, Alejandro; Guc, Maxim; Saucedo Silva, Edgardo Ademar; Scardi, Paolo (2022-05-20)
      Article
      Accés obert
      A major challenge in thermoelectrics (TEs) is developing devices made of sustainable, abundant, and non-toxic materials. Furthermore, the technological drive toward low sizes makes crucial the study of nano and micro ...
    • N-type doping of SiC-passivated Ge by pulsed laser melting towards the development of interdigitated back contact thermophotovoltaic devices 

      Jiménez Pagán, Alba; Napolitani, Enrico; Datas Medina, Alejandro; Martín García, Isidro; López Rodríguez, Gema; Cabrero Piris, Mariona; Sgarbossa, Francesco; Milazzo, Ruggero; Carturan, Sara Maria; De Salvador, Davide; López García, Iñaki; Ryu, Yu Kyoung; Martinez Rodrigo, Javier; del Cañizo Nadal, Carlos (2022-01-01)
      Article
      Accés obert
      In this article, a method for phosphorous (n-type) doping of germanium based on spin-on dopant sources and Pulsed Laser Melting (PLM) throughout an amorphous silicon carbide (a-SixC1-x:H) layer, which provides both surface ...
    • Controlling the anionic ratio and gradient in kesterite technology 

      Andrade Arvizu, Jacob; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Becerril Romero, Ignacio; Sylla, Dioulde Huguette; Vidal Fuentes, Pedro; Jehl Li-Kao, Zacharie; Thomere, Angélica; Giraldo, Sergio; Tiwari, Kunal Jogendra; Resalati, Shahaboddin; Guc, Maxim; Placidi, Marcel Jose (2022-01-03)
      Article
      Accés obert
      Accurate anionic control during the formation of chalcogenide solid solutions is fundamental for tuning the physicochemical properties of this class of materials. Compositional grading is the key aspect of band gap engineering ...
    • A simple and effective methodology for sizing electrical energy storage (EES) systems based on energy balance 

      Kichou, Sofiane; Markvart, Tomas; Wolf, Petr; Silvestre Bergés, Santiago; Chouder, Aissa (Elsevier, 2022-05)
      Article
      Accés restringit per política de l'editorial
      The use of the electrical energy storage (EES) plays an important role in the transition of energy generation towards renewable energy sources (RESs). An effective sizing of EES systems is very important in order to cope ...
    • Stabilization of the J-V characteristic of a perovskite solar cell using an intelligent control loop 

      Bheesayagari, Chenna Reddy; Martínez-Denegrí Sánchez, Guillermo; Orpella García, Alberto; Pons Nin, Joan; Bermejo Broto, Sandra; Alcubilla González, Ramón; Martorell Pena, Jordi; Domínguez Pumar, Manuel (2021-01-02)
      Article
      Accés obert
      The phenomena related to charge trapping are among the most relevant open issues that affect the long-term stability of perovskite-based devices. According to this, the objective of this paper is to report experimental ...