Results 1 to 10 of about 240 (97)
The role of nonequilibrium LO phonons, Pauli exclusion, and intervalley pathways on the relaxation of hot carriers in InGaAs/InGaAsP multi-quantum-wells [PDF]
Scientific Reports, 2023 Under continuous-wave laser excitation in a lattice-matched In0.53Ga0.47As/In0.8Ga0.2As0.44P0.56 multi-quantum-well (MQW) structure, the carrier temperature extracted from photoluminescence rises faster for 405 nm compared with 980 nm excitation, as the ...
Yongjie Zou +4 more
doaj +2 more sources
Quantitative optical assessment of photonic and electronic properties in halide perovskite [PDF]
Nature Communications, 2019 The electronic and photonic contributions to the power conversion efficiency in solar cell devices are often hard to disentangle. Here Bercegol et al.
Adrien Bercegol +6 more
doaj +2 more sources
The influence of Sn particle incorporation on the photocatalytic activity of sprayed ZnO−SnO2 nanocomposites [PDF]
Scientific ReportsThis paper investigates the photocatalytic performance of ZnO−SnO2 nanocomposites deposited using the Spray Pyrolysis technique, with varying percentages of tin oxide (20, 60, and 80%) on glass substrates at 350 °C.
S. Mahjoubi +4 more
doaj +2 more sources
EPJ Photovoltaics, 2023 Perovskite on silicon tandem technologies offer a promising way to overcome the efficiency limit of single-junction crystalline silicon modules and are therefore widely studied.
Martin Amaury +4 more
doaj +1 more source
EPJ Photovoltaics, 2023 Photoluminescence imaging has become a standard method to characterize solar cells. However, performing some quantitative analysis of this technique requires the assumption of uniform local absorptivity, which cannot be directly measured using ...
Legrand Marie +4 more
doaj +1 more source
Revealing of InP multi-layer stacks from KPFM measurements in the dark and under illumination
EPJ Photovoltaics, 2022 Solar cells are complex devices, being constituted of many layers and interfaces. The study and the comprehension of the mechanisms that take place at the interfaces is crucial for efficiency improvement. This paper applies Kelvin probe force microscopy (
da Lisca Mattia +6 more
doaj +1 more source
EPJ PhotovoltaicsStudying defects in semiconductors is, in practice, a very important topic for opto-electronic applications. It involves advanced characterization tools able to quantify and qualify the defect densities present in the materials. In the present article we
Bérenguier Baptiste +5 more
doaj +1 more source
Simulation-based insights into light soaking and light-induced degradation in perovskite solar cells
EPJ PhotovoltaicsPerovskite solar cells have achieved remarkable power conversion efficiencies, yet their long-term stability remains a critical challenge. Progress in understanding this issue can be supported by combining modelling and characterization of the ...
Álvarez Pérez Guillem +4 more
doaj +1 more source
Simulation numérique du comportement thermique du capteur hybride solaire photovoltaïque thermique
Revue des Énergies Renouvelables, 2008 Le capteur hybride photovoltaïque/thermique (PV/T) convertit l’énergie solaire en chaleur et en électricité. Les avantages de combiner un collecteur thermique et un module PV dans un seul capteur sont l’augmentation de l’efficacité totale de la ...
K. Touafek +3 more
doaj
Revue des Énergies Renouvelables, 2009 Dans notre travail, nous nous sommes intéressés à mener une recherche technologique sur l’utilisation de l’énergie photovoltaïque afin d’éclairer une route sombre.
S. Zaamta, A. Dib
doaj