Results 31 to 40 of about 12,657 (265)

The Effects of Malonic Acid Derivatives and Acetic Acid Derivatives as Coadsorbents on the Photovoltaic Performance of Dye-Sensitized Solar Cells

International Journal of Photoenergy, 2013
The effects of malonic acid derivatives and acetic acid derivatives as coadsorbents on the photovoltaic performance of D908 dye-sensitized nanocrystalline TiO2 solar cells were investigated.
Hiroaki Matsuyoshi, Haruo Tomita, Hitoshi Nishino, Hiroki Sakamoto, Kyohei Manabe   +4 more
doaj   +1 more source

Surface Photovoltage Study of GaAsSbN and GaAsSb Layers Grown by LPE for Solar Cells Applications

Energies, 2022
The properties of GaAsSbN and GaAsSb layers grown by liquid-phase epitaxy on n-GaAs substrates were investigated in a comparative plan with a view of their possible application in multi-junction solar cells.
Vesselin Donchev, Malina Milanova, Stefan Georgiev   +2 more
doaj   +1 more source

Observation of the screening signature in the lateral photovoltage of electrons in the Quantum Hall regime [PDF]

, 2001
The lateral photovoltage generated in the plane of a two-dimensional electron system (2DES) by a focused light spot, exhibits a fine-structure in the quantum oscillations in a magnetic field near the Quantum Hall conductivity minima.
A. Böhm, A. Böhm, A. Esslinger, A. Lorke, A. Wixforth, A. Wixforth, A.A. Shaskin, A.L. Efros, A.L. Efros, B. Özyilmaz, D.B. Chklovskii, E. Ahlswede, E. Yahel, E. Yahel, H. Rubel, H. van Zalinge, J. H. Wolter, J. Heil, J.G.S. Lok, J.J. Mareš, J.P. Eisenstein, K.L. McCormick, M. Büttiker, M.C. Bønsager, N.B. Zhitenev, N.P.R. Hill, P. Wyder, P.F. Fontein, P.F. Fontein, R. Fletcher, R. W. van der Heijden, R.J.F. van Haren, R.J.F. van Haren, R.K. Goodall, S. Takaoka, S. Takaoka, S.H. Tessmer, T.P. Smith, W. Chen, Y.Y. Wei   +39 more
core   +2 more sources

Cross-sectional Kelvin probe force microscopy on III–V epitaxial multilayer stacks: challenges and perspectives

Beilstein Journal of Nanotechnology, 2023
Multilayer III–V-based solar cells are complex devices consisting of many layers and interfaces. The study and the comprehension of the mechanisms that take place at the interfaces is crucial for efficiency improvement.
Mattia da Lisca, José Alvarez, James P. Connolly, Nicolas Vaissiere, Karim Mekhazni, Jean Decobert, Jean-Paul Kleider   +6 more
doaj   +1 more source

Hidden surface photovoltages revealed by pump probe KPFM [PDF]

Nanotechnology, 2022
Abstract In this work, we use pump-probe Kelvin probe force microscopy (pp-KPFM) in combination with non-contact atomic force microscopy (nc-AFM) under ultrahigh vacuum, to investigate the nature of the light-induced surface potential dynamics in alumina-passivated crystalline silicon, and in an organic bulk ...
Aubriet, Valentin, Courouble, Kristell, Bardagot, Olivier, Demadrille, Renaud, Borowik, Łukasz, Grévin, Benjamin   +5 more
openaire   +5 more sources

Influence of Polymer Coatings on the Carrier Life Time in Solar Silicon Crystals [PDF]

Журнал нано- та електронної фізики, 2014
Influence of polymer coatings on the photovoltage drop kinetics in solar Si crystals exposed to magnetic field action and X-ray irradiation is studied.
L.P. Steblenko, A.O. Podolyan, O.O. Korotchenkov, L.M. Yashchenko, S.M. Naumenko, D.V. Kalinichenko, Yu.L. Kobzar, A.M. Kuryliuk, V.M. Kravchenko   +8 more
doaj  

Surface photovoltage spectroscopy of semiconductor materials for optoelectronic applications

Materials Research Express, 2019
The present contribution reviews the basic principles of the surface photovoltage (SPV) spectroscopy in the metal-insulator-semiconductor operation mode emphasizing on the crucial necessity of combined analysis of the SPV amplitude and phase spectra for ...
V Donchev
doaj   +1 more source

Photoemission induced gating of topological insulator

, 2011
The recently discovered topological insulators exhibit topologically protected metallic surface states which are interesting from the fundamental point of view and could be useful for various applications if an appropriate electronic gating can be ...
Bauch, M., Berger, H., Borisenko, S. V., Buechner, B., Evtushinsky, D. V., Hess, C., Kim, T. K., Kordyuk, A. A., Zabolotnyy, V. B.   +8 more
core   +1 more source

The influence of the preparation method of NiOx photocathodes on the efficiency of p-type dye-sensitised solar cells [PDF]

, 2015
Improving the efficiency of p-type dye-sensitized solar cells (DSCs) is an important part of the development of high performance tandem DSCs. The optimization of the conversion efficiency of p-DSCs could make a considerable contribution in the ...
Dini, Danilo, Gibson, E. A., Halpin, Y., Vos, J. G.   +3 more
core   +1 more source

A scanning probe microscopy study of nanostructured TiO2/poly(3-hexylthiophene) hybrid heterojunctions for photovoltaic applications

Beilstein Journal of Nanotechnology, 2018
The nanoscale morphology of photoactive hybrid heterojunctions plays a key role in the performances of hybrid solar cells. In this work, the heterojunctions consist of a nanocolumnar TiO2 surface covalently grafted with a monolayer of poly(3 ...
Laurie Letertre, Roland Roche, Olivier Douhéret, Hailu G. Kassa, Denis Mariolle, Nicolas Chevalier, Łukasz Borowik, Philippe Dumas, Benjamin Grévin, Roberto Lazzaroni, Philippe Leclère   +10 more
doaj   +1 more source