Publication
Investigation of thermoelectric nanomaterials
Publications associées (52)
The influence of the incommensurately modulated structure on the physical properties of Fe1.35Ge
László Forró, Alla Arakcheeva, Helmuth Berger, Philip Pattison, Krunoslav Prsa, Andrea Pisoni, Sergiy Katrych, Jacim Jacimovic
Single crystal growth by chemical vapour transport has resulted samples with Fe1.35Ge stoichiometry. Structural study has shown that the large number of vacancies introduces an incommensuately modulated structure. The electrical resistivity is in the 200 m ...
2019Doping effect on the thermoelectric transport properties of HfTe5
Jean-Philippe Ansermet, Haiming Yu, Junfeng Hu
We studied the influence of doping HfTe5 with 5% Ti on electric (resistivity and the Hall effect) and thermoelectric transport properties (the Seebeck coefficient, magneto-thermoelectric power, and Nernst effect). The properties of 5% Ti-doped HfTe5 do not ...
AMER INST PHYSICS2019Stretchable and Highly Bendable Thin Film Transistors Based on Atomically Thin Chemical Vapor Deposited Molybdenum Disulfide
Two-dimensional (2D) materials have received tremendous research attention recently, as they possess peculiar physical properties in their monolayer and few-layer forms, which further lead to novel applications. A wide range of 2D materials covers insulato ...
EPFL2018Influence of structural and electrostatic disorder on transport properties of monolayers of two-dimensional semiconductors
Two-dimensional (2D) materials are under intensive investigation recently due to variety of electronic properties, ranging from insulators (h-BN) to semi-metals (graphene), semiconductors (MoS2, WSe2) with wide variability of band-gap and correlated phases ...
EPFL2017Efficient Photothermoelectric Conversion in Lateral Topological Insulator Heterojunctions
Tuning the electron and phonon transport properties of thermoelectric materials by nanostructuring has enabled improving their thermopower figure of merit. Three-dimensional topological insulators, including many bismuth chalcogenides, attract increasing a ...
Amer Chemical Soc2017Method for manufacturing electrical conductors, and electrical conductors manufactured according to same
Stéphanie Lacour, Ivan Rusev Minev, Hadrien Olivier Michaud, Arthur Edouard Hirsch
A method for manufacturing an electrical conductor 43 and an electrical conductor 43 manufactured according to the method, said method comprising: providing a substrate 30; depositing a solid metal conductive layer or film 40 on said substrate 30; Depositi ...
2017Explaining Morphological and Electrical Features of Boron-doped Zinc Oxide to Tailor New Electrodes for Photovoltaics
TCOs are a class of metal oxides that combine transparency to visible light with electrical conductivity. Each TCO is characterized by the trade-off of these two properties which can be tuned for a particular application. This thesis is dedicated to the in ...
EPFL2016Pressure-tuned Transport Properties of Novel Iron-based Superconductors and Topological Insulators
The majority of interactions in solids strongly depend on the interatomic distances. The application of pressure changes the lattice parameters and modifies the electronic and the phononic energy spectra of a material avoiding some of the undesirable effec ...
EPFL2016Comparison of amorphous silicon absorber materials: Kinetics of light-induced degradation
Christophe Ballif, Franz-Josef Haug, Matthieu Despeisse, Mathieu Gérard Boccard, Michael Elias Stückelberger, Yannick Samuel Riesen, Adrian Billet
We investigate the influence of the deposition parameters for intrinsic amorphous silicon absorber layers on light-induced degradation (LID) of thin-film silicon solar cells. The focus is on absorber layers with different bandgaps: on one side, solar cells ...
Wiley-Blackwell2016Harnessing Topological Band Effects in Bismuth Telluride Selenide for Large Enhancements in Thermoelectric Properties through Isovalent Doping
Klaus Kern, Marko Burghard, Pascal Gehring, Alexander Ronald Hoyer, Kristina Vaklinova
Dilute isovalent sulfur doping simultaneously increases electrical conductivity and Seebeck coefficient in Bi2Te2Se nanoplates, and bulk pellets made from them. This unusual trend at high electron concentrations is underpinned by multifold increases in ele ...
Wiley-V C H Verlag Gmbh2016