Browsing by Contributor "Voz Sánchez, Cristóbal"
Now showing items 1-10 of 10
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Characterization of alternative carrier selective materials and their application to heterojunction solar cells
(Universitat Politècnica de Catalunya, 2017-11-15)
Doctoral thesis
Open AccessCrystalline silicon (c-Si) solar cells can be considered a highly industrialized and mature product with a record conversion efficiency of 26.6%, not far from the practical limit of 29.4% (for single p/n junction devices). ... -
Characterization of small molecule organic solar cells by variable light intensity measurements
(Universitat Politècnica de Catalunya / Universitat de Barcelona, 2013-05)
Master thesis
Open AccessA medida que las energías renovables tienen un mayor peso en el mercado energético, y el sector fotovoltaico tiende hacia menores costos de fabricación y reducido impacto ambiental, las Celdas Solares Orgánicas (CSO) ofrecen ... -
Desarrollo de tecnologías de baja temperatura para la fabricación de células solares de heterounión de silicio
(Universitat Politècnica de Catalunya, 2015-07-23)
Doctoral thesis
Open AccessEl desarrollo de la tecnología fotovoltaica de silicio cristalino ha llegado al punto en que la mejora de los dispositivos pasa, no tanto por un aumento de la eficiencia, como por la reducción del coste de fabricación. En ... -
Development of an optical spectrophotometer. Characterization of thin layers for photovoltaic devices
(Universitat Politècnica de Catalunya, 2020-11-25)
Bachelor thesis
Open AccessThe purpose of this project is to develop a system with the functionality of a spectrophotometer. The system is based on the automation of a set of instruments available in the laboratory of the MNT research group. The ... -
Hole-selective contacts by RF magnetron sputtering for silicon heterojunction solar cell structures
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open AccessResearch in photovoltaic devices is focusing towards cost-effective technologies to compete with traditional energy sources. In this sense, silicon heterojunction (SHJ) solar cells have excelled owing to their high efficiency ... -
Magnetoelectric Effects in MnBi2Te4, an antiferromagnetic topological insulator
(Universitat Politècnica de Catalunya, 2020-05-22)
Bachelor thesis
Open Access
Covenantee: Massachusetts Institute of TechnologyEn aquest projecte, ens centrem en la fabricació d'heteroestructuras de Van der Waals de MnBi2Te4 amb diferents gruixos, un aïllant topològic antiferromagnètic, utilitzant mètodes d'exfoliació mecànica i de transferència. ... -
Nano solar cell integrated within optical nano resonator
(Universitat Politècnica de Catalunya, 2014-09)
Master thesis
Restricted access - author's decisionPhotovoltaics have developed rapidly over a past decade. In the end of 2013, the total of solar PV global capacity reached 139 GW. The fast development of solar photovoltaic is mainly due to the improvement of solar cell ... -
Thin Multifunctional Dielectric Layers for Surface Passivation and Masking Against Wet Chemistry and Dopant Diffusion
(Universitat Politècnica de Catalunya, 2012-09)
Master thesis
Restricted access - author's decisionIn order to achieve cost competitiveness for energy production, the solar PV technology is dynamically shifting towards thinner wafers. Due to this cost driven reduction of solar wafer thickness, there is more influence ... -
Transparent electrodes based on ultra-thin dielectric-metal-dielectric multilayer structures
(Universitat Politècnica de Catalunya, 2019-07-11)
Master thesis
Open AccessPhotonics has been the focus of an increasing ammount of resarch resources and founding since technological demands of solutions to complex problems can be solved within its scope. In this paper we will specifically focus ... -
Vanadium Pentoxide as a hole selective contact for novel heterojunction solar cells based on n-type silicon
(Universitat Politècnica de Catalunya, 2016)
Coursework
Open AccessThis work reports on the use of vanadium pentoxide as a low-temperature alternative to conventional p-doped emitters for silicon solar cells based on n-type wafers. Vanadium pentoxide is a transition metal oxide, whose ...
