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The photoelectrochemical properties of all-solid-state photoelectrochemical cell constructed from a conjugated polymer poly(3-(4-octylphenyl)thiophene) and an amorphous poly(ethylene oxide) complexed with iodide/triiodide redox couple were studied. In order to develop flexible...
Different surfaces and Schottky barriers of WSe 2 single crystals have been investigated with photoelectron spectroscopy using synchrotron radiation. An acceptor level with E A − E V =0.45 eV, known from the literature as an important defect level in WSe 2 , is identified and attributed to the...
An accurate and fast method to calculate the efficiency of Cu(In,Ga)Se 2 (CIGS) and CdTe thin-film solar modules is presented here. This comprises a new method to calculate the fill factor as a function of discrete and distributed series resistance, and of shunt conductance: a three-dimensional,...
Photothermal radiometry (PTR) is applied to characterize nickel-pigmented aluminium oxide solar absorbing coatings. A modulated laser beam is used to heat the solar samples. The subsequent emission of thermal radiation is measured as a function of modulated frequency in the range of 10 Hz to 10...
A new very simple solar tracker is described in detail in the paper as well as a tracking strategy which enables high-collectible energy surplus at medium tracking accuracy.
Despite the commercial success of buried-contact solar cells, the performance of early generations of these devices has been limited by an effective high rear-surface recombination velocity. For a number of years, the double-sided buried-contact bifacial (DSBCB) solar cells have demonstrated...
To underscore the effects of boron doping on the photovoltaic characteristics of a-Si : H based p–i–n solar cells we used the in-situ Kelvin probe technique to determine the evolution of the contact potential at the SnO 2 /p interface in two series of solar cells: one with a p(a-Si : H) layer...
A series of polycrystalline WO 3 solids loaded with platinum (0.5; 1.0; 2.0 and 3.0 wt%) were prepared and characterised by X -ray diffraction, diffuse reflectance spectroscopy, scanning electron microscopy, specific surface areas determination, X-ray photoelectron spectroscopy. XPS and X-ray...
The cell voltage for an electrochemical photovoltaic regenerative solar cell with current leads located on opposite sides of a cell unit was measured for different values of the light intensity, 77–1360 W m −2 . The measured cell voltage was corrected for the voltage losses in the conductive...
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