The optical absorption and thermally stimulated luminescence of Al 2 O 3 (sapphire) single
crystals irradiated with swift heavy ions (SHI) 238 U with energy 2.4 GeV is studied with the …

We study the impact of different alkali post‐deposition treatments by thermal admittance
spectroscopy and temperature‐dependent current‐voltage (IVT) characteristics of high …

Experimental analyses and results demonstrate that the quaternary semiconductor material
compound Cu 2 ZnSnS 4 (CZTS) exhibits exceptional thermoelectric (TE) properties, making …

Defects in complex multilayered thin-film solar cells are often analyzed by capacitance-
based techniques, which originally were developed for simple homojunctions in single …

An accurate determination of the net dopant concentration in photovoltaic absorbers is
critical for understanding and optimizing solar cell performance. The complex device …

Abstract Deposition of Cu (In, Ga) Se2 (CIGS) thin film solar cells on metallic substrate is an
attractive approach for development of low cost solar modules. However, in such devices …

In the last years steel foil has become an attractive candidate for use as a flexible substrate
material for Cu (In x, Ga 1− x) Se 2 thin-film solar cells (CIGS). It is stable at the high …

Thermal admittance spectroscopy and capacitance‐voltage measurements are well
established techniques to study recombination‐active deep defect levels and determine the …

We report evidence for the identification of the capacitance transients detected at room
temperature for thin-film photovoltaic cells with CIGS absorbers as an additional non-ohmic …

The origin of the N1 signal in capacitance spectroscopy within CIGS solar cells has been a
subject of enduring debate. While its characteristics may vary across different specimens …