Publication
Simultaneous Selective Area Growth of Wurtzite and Zincblende Self-Catalyzed GaAs Nanowires on Silicon
Related publications (37)
Controlled Electronic and Magnetic Landscape in Self-Assembled Complex Oxide Heterostructures
Mihai Adrian Ionescu, Paul Muralt, Daesung Park, Kanghyun Chu
Complex oxide heterointerfaces contain a rich playground of novel physical properties and functionalities, which give rise to emerging technologies. Among designing and controlling the functional properties of complex oxide film heterostructures, verticall ...
WILEY-V C H VERLAG GMBH2023Scalable Approaches to III-V Nanowires for Photodetection
III-V semiconductor nanowires have unique properties that make them ideal for advanced photodetectors on inexpensive substrates. For example, they exhibit enhanced or polarization-dependent light absorption, they can form complex heterostructures, and thei ...
EPFL2023A data-driven interpretation of the stability of organic molecular crystals
Michele Ceriotti, Edgar Albert Engel, Maria Pakhnova
Due to the subtle balance of intermolecular interactions that govern structure-property relations, predicting the stability of crystal structures formed from molecular building blocks is a highly non-trivial scientific problem. A particularly active and fr ...
ROYAL SOC CHEMISTRY2023Nanopillars Enabling III-V Integration on Si (100) and (111)
The majority of current semiconductor technologies are built on Si (100), such as the CMOS technology, or conventional solar cell devices. III-V semiconductors offer great perspectives given their high carrier mobility and direct band gap. However their in ...
EPFL2021Novel photoelectric material of perovskite-like (CH3)(3)SPbI3 nanorod arrays with high stability
Mohammad Khaja Nazeeruddin, Wei Liu, Ruiyuan Hu, Shanshan Xiao
Organometallic halide perovskite materials make great achievements in optoelectronic fields, especially in solar cells, in which the organic cations contain amine components. However, the amine with N-H bonds is easily hydrolyzed with moisture in the air, ...
2021Electrochemical reconstruction of ZnO for selective reduction of CO2 to CO
Andreas Züttel, Emanuele Moioli, Wen Luo, Jie Zhang, Kun Zhao, Qin Zhang
Electrocatalytic conversion of CO2 to valuable chemicals is a highly promising route to close the carbon cycle. Herein, Zn catalysts derived from electrochemical reconstruction of ZnO materials are presented as efficient CO2-to-CO catalysts. We found that ...
2020Heterotwin Zn3P2 superlattice nanowires: the role of indium insertion in the superlattice formation mechanism and their optical properties
Anna Fontcuberta i Morral, Elias Zsolt Stutz, Jean-Baptiste Leran, Mahdi Zamani, Simon Robert Escobar Steinvall, Nicolas Tappy, Rajrupa Paul, Reza Zamani, Lea Ghisalberti
Zinc phosphide (Zn3P2) nanowires constitute prospective building blocks for next generation solar cellsdue to the combination of suitable optoelectronic properties and an abundance of the constitutingelements in the Earth’s crust. The generation of periodi ...
2020Spatial and Morphological Control of Cyanine Dye Thin Films
Nicolas Alexandre Serge Leclaire
Cyanine dyes are organic semiconductor compounds with light absorption and emission properties useful for emerging technologies such as solar cells and light-emitting devices. The characteristics of these materials in the solid state depend on their organi ...
EPFL2018Bi-stability of contact angle and its role in tuning the morphology of self-assisted GaAs nanowires
Anna Fontcuberta i Morral, Lucas Güniat, Gözde Tütüncüoglu, Martin George Friedl, Heidi Andrea Potts, Jean-Baptiste Leran, Wonjong Kim, Luca Francaviglia, Vladimir Dubrovskii, Jelena Vukajlovic Plestina
We demonstrate the existence of two stable contact angles for the gallium droplet on top of self-assisted GaAs nanowires grown by MBE on patterned silicon substrates. Contact angle around 130 degrees fosters a continuous increase in the nanowire radius, wh ...
IEEE2018The growth and optical properties of III-V nanostructures grown by Molecular Beam Epitaxy
This thesis is dedicated to the growth and characterization of the optoelectronic properties of III-V semiconductor nanostructures namely nanowires and nanoscale membranes. III-V semiconductors possess promising intrinsic properties like direct band gap, h ...
EPFL2017