Publications de Anna Dalmau Mallorquí

Current and friction transients during tribocorrosion of a biomedical titanium alloy sliding against zirconia

Stefano Mischler, Anna Neus Igual Muñoz, Anna Dalmau Mallorquí

The tribocorrosion mechanisms of a Ti-Nb-Zr-Ta (TNZT) alloy rubbing against a zirconia ball in a Phosphate Buffered Solution (PBS) were analyzed by considering the mechanical and chemical interactions that lead to the material degradation. To understand th ...

ELSEVIER SCIENCE SA2023

Field-effect passivation on silicon nanowire solar cells (vol 8, pg 673, 2015)

Anna Fontcuberta i Morral, Stefaan De Wolf, Bénédicte Demaurex, Anna Dalmau Mallorquí, Amirreza Kiani

Surface recombination represents a handicap for high-efficiency solar cells. Surface recombination represents a handicap for high-efficiency solar cells. This is especially important for nanowire array solar cells, where the surface-to-volume ratio is grea ...

Tsinghua Univ Press2016

Polymer Brush Guided Formation of Conformal, Plasmonic Nanoparticle-Based Electrodes for Microwire Solar Cells

Harm-Anton Klok, Anna Fontcuberta i Morral, Caroline Sugnaux, Anna Dalmau Mallorquí

This report explores the use of sacrificial thin polymer films prepared by surface-initiated polymerization as a template for the fabrication of highly conformal metal nanoparticle solar cell electrodes. As a first proof-of-principle, the use of this metho ...

Wiley-Blackwell2015

Field-effect passivation on silicon nanowire solar cells

Anna Fontcuberta i Morral, Esther Alarcon Llado, Stefaan De Wolf, Bénédicte Demaurex, Anna Dalmau Mallorquí, Amirreza Kiani

Surface recombination represents a handicap for high-efficiency solar cells. This is especially important for nanowire array solar cells, where the surface-to-volume ratio is greatly enhanced. Here, the effect of different passivation materials on the effe ...

Tsinghua Univ Press2015

High Yield of GaAs Nanowire Arrays on Si Mediated by the Pinning and Contact Angle of Ga

Anna Fontcuberta i Morral, Federico Matteini, Gözde Tütüncüoglu, Eleonora Russo, Sonia Conesa Boj, Anna Dalmau Mallorquí, Heidi Andrea Potts, Jelena Vukajlovic Plestina

GaAs nanowire arrays on Silicon offer great perspectives in the :optoeleetronics and solar cell industry. To fulfill this potential, gold-free growth in predetermined positions should be achieved. Ga-assisted growth of GaAs nano-wires in the form of array ...

American Chemical Society2015

Bottom-up engineering of InAs at the nanoscale: From V-shaped nanomembranes to nanowires

Anna Fontcuberta i Morral, Gözde Tütüncüoglu, Sonia Conesa Boj, Anna Dalmau Mallorquí, Eleonora Russo, Ignasi Canales Mundet

The ability to rationally tune the morphology of nanostructures is a fundamental milestone in nanoscale engineering. In particular, the possibility to switch between different shapes within the same material system represents a further step in the developm ...

Elsevier2015

Characterization and analysis of InAs/p-Si heterojunction nanowire-based solar cell

Anna Fontcuberta i Morral, Federico Matteini, Esther Alarcon Llado, Gözde Tütüncüoglu, Eleonora Russo, Anna Dalmau Mallorquí

The growth of compound semiconductor nanowires on the silicon platform has opened many new perspectives in the area of electronics, optoelectronics and photovoltaics. We have grown a 1 x 1 mm(2) array of InAs nanowires on p-type silicon for the fabrication ...

Institute of Physics2014

III-V nanowire arrays: growth and light interaction

Anna Fontcuberta i Morral, Federico Matteini, Esther Alarcon Llado, Martin Heiss, Gözde Tütüncüoglu, Sonia Conesa Boj, Eleonora Russo, Anna Dalmau Mallorquí

Semiconductor nanowire arrays are reproducible and rational platforms for the realization of high performing designs of light emitting diodes and photovoltaic devices. In this paper we present an overview of the growth challenges of III-V nanowire arrays o ...

Institute of Physics2014

Nanowire-based solar cells : device design and implementation

Anna Dalmau Mallorquí

EPFL2014

Electrical contacts to single nanowires: a scalable method allowing multiple devices on a chip. Application to a single nanowire radial p-i-n junction

Anna Fontcuberta i Morral, Martin Heiss, Anna Dalmau Mallorquí, Carlo Colombo, Pierre Loïc Blanc

Semiconductor nanowires are currently at the forefront of research in the areas of nanoelectronics and energy conversion. In all these studies, realising electrical contacts and statistically relevant measurements is a key issue. We propose a method that e ...

Inderscience2013