Exploració per autor "López Rodríguez, Gema"
Ara es mostren els items 17-36 de 48
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Fully low temperature interdigitated back-contacted c-Si(n) solar cells based on laser-doping from dielectric stacks
(2017-09-01)
Article
Accés obertThis work shows a novel fabrication process of interdigitated back-contacted c-Si(n) solar cells based on laser-doped point contacts. In this approach, all the highly-doped regions have been entirely fabricated through UV ... -
Germanium photovoltaic cells with MoO x hole-selective contacts
(2019-03-15)
Article
Accés obertVery thin, thermally evaporated MoOx (x¿<¿3) layer has been used as transparent hole-selective contact on an n-type Germanium substrate to effectively demonstrate PV conversion capability. The fabricated MoOx/Ge heterojunction ... -
High efficiency interdigitated back-contact c-Si solar cells
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés obertIn this work we describe a baseline fabrication process of interdigitated-back-contact c-Si(p) solar cells, which combines conventional diffusion oven stages to define base p+ and emitter n+ regions at the backside, with ... -
Highly reflective and passivated ohmic contacts in p-Ge by laser processing of aSiCx:H(i)/Al2O3/aSiC films for thermophotovoltaic applications
(2024-01-15)
Article
Accés obertCrystalline germanium (c-Ge) has historically been regarded as a cost-effective alternative to III-V semiconductors for thermophotovoltaic (TPV) device fabrication. However, Ge-based devices have not yet reported high ... -
Hole selective contacts based on transition metal oxides for c-Ge thermophotovoltaic devices
(2023-03-01)
Article
Accés obertThermophotovoltaics has become a very attractive solution for heat-to-electricity conversion due to its excellent conversion efficiencies. However, further research is needed to reduce the device cost which is typically ... -
IBC n-type C-Si solar cells based on laser doping processing for selective emitter and base contact formation
(2016)
Comunicació de congrés
Accés obert -
Impact of atomic layer deposition temperature on electrical and optical properties of ZnO:Al films
(Elsevier, 2024-03-01)
Article
Accés obertThis work highlights the impact of growth temperature on electrical and optical properties of Al-doped ZnO (AZO) films deposited by atomic layer deposition (ALD) technique. The ALD process and super-cycle sequence have ... -
Interdigitated back contacted c-Si(p) solar cells with photovoltaic efficiencies beyond 22%
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work we show a baseline fabrication process of interdigitated back contacted IBC c-Si(p) solar cells, which combines conventional diffusion oven stages to define base p+ and emitter n+/n++ regions at the back side, ... -
Interdigitated back-contacted(IBC) c-Si solar cells based on laser processed dielectric layers
(Universitat Politècnica de Catalunya, 2016-12-05)
Tesi
Accés obertThe goal of this thesis is the fabrication of high-efficiency interdigitated back-contact (IBC) c-Si solar cell at low temperature and low-cost manufacturing technology. This thesis proposes a new concept and at the same ... -
Interdigitated laser-contacted solar cell on liquid-phase crystallized silicon on glass
(WIP Renewable Energies, 2016)
Comunicació de congrés
Accés obert10 µm thick liquid-phase crystallized silicon (Si) layers on 3.2 mm Borofloat 33 glass (5cm x 5cm) are fabricated by continuous wave line focus laser (808 nm). A sputtered SiO2/SiON layer stack has been implemented as ... -
Laser Induced Forward Transfer for front contact improvement in silicon heterojunction solar cells
(2015-05-01)
Article
Accés obertIn this work the Laser Induced Forward Transfer (LIFT) technique is investigated to create n-doped regions on p-type c-Si substrates. The precursor source of LIFT consisted in a phosphorous-do ... -
Laser-fired contact optimization in c-Si solar cells
(2011-04-15)
Article
Accés restringit per política de l'editorialIn this work we study the optimization of laser-fired contact (LFC) processing parameters, namely laser power and number of pulses, based on the electrical resistance measurement of an aluminum single LFC point. LFC process ... -
Low-cost high-sensitive suns-Voc measurement instrument to characterize c-Si solar cells
(2020-09-01)
Article
Accés obertMeasuring open-circuit voltage (Voc) vs. light intensity (Suns) in solar cells permits the access of cell performance without the series resistance effect. This work shows the implementation of a Suns-Voc measurement system ... -
Multicrystalline silicon thin-film solar cells based on vanadium oxide heterojunction and laser-doped contacts
(2019-10)
Article
Accés obertLiquid phase crystallized (LPC) silicon thin films on glass substrates are a feasible alternative to conventional crystalline silicon (c-Si) wafers for solar cells. Due to substrate limitation, a low-temperature technology ... -
N-type doping of SiC-passivated Ge by pulsed laser melting towards the development of interdigitated back contact thermophotovoltaic devices
(2022-01-01)
Article
Accés obertIn 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 ... -
New laser-based approaches to improve the passivation and rear contact quality in high efficiency crystalline silicon solar cells
(2013)
Text en actes de congrés
Accés restringit per política de l'editorial -
Observation of photovoltaic effect within locally doped silicon nanojunctions using conductive probe AFM
(2020-10-01)
Article
Accés obertLocalized p-doped nanojunctions (200–300 nm in diameter) were formed in n-type crystalline silicon substrates and were characterized using scanning electron microscopy (SEM) and conductive-probe atomic force microscopy ... -
Optimization of al2o3 films obtained by ald to passivate p-type c-silicon wafers
(2012)
Text en actes de congrés
Accés restringit per política de l'editorial -
Optimization of laser doping processes for the creation of p+ regions from solid dopant sources
(2012)
Text en actes de congrés
Accés restringit per política de l'editorial -
Optimization of laser processes for local rear contacting of passivated silicon solar cells
(2014-01-31)
Article
Accés restringit per política de l'editorialLaser Firing Contact (LFC) and Laser Doping (LD) have become potential alternatives to the Al BSF thermal processing conventionally used in p-type c-Si solar cell rear contacts. Optimized LFC and LD processes allow, not ...
