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The results of studying a HIT (heterojunction with an intrinsic thin layer) Ag/ITO/a-Si:H(p)/a-Si:H(i)/c-Si(n)/a-Si:H(i)/a-Si:H(n+)/ITO/Ag solar cell by the capacitance–voltage characteristic and current deep-level relaxation transient spectroscopy methods are presented. The temperature dependence of the capacitance–voltage characteristics of the HIT structure and deep-energy-level parameters are...
The correlation parameters of self-organizing structures are investigated using a combined approach, a combination of 2D detrended fluctuation analysis and the average-mutual-information method. The self-organizing structures to be investigated are model surfaces with different degrees of ordering (ordered, disordered, and mixed) and amorphous hydrogenated silicon and tetrahedral carbon films. It...
The present paper is devoted to research of multilayer barrier structures for solar cells on the basis of crystalline and disordered semiconductors. Influence of quantum-dimensional effects on effective height of barriers in disordered semiconductors and mechanism of current transfer through a barrier have been considered. Equivalent circuit for replacement of multilayer solar cells has been suggested...
In this paper the results of charge carrier bulk lifetime in multicrystalline silicon solar cells obtained by mathematical simulation and experimental investigation by low-frequency noise spectroscopy are presented. These results allow to clarify recombination processes and their influence on carrier lifetime. Also deep levels in a silicon band gap that affect results bulk lifetime and cell performance...
The measurement complex based on the cryostat Janis CCS-400/204N that allows making measurements in vacuum in temperature range 7–500 K is described. Thus a high sensitive measurement complex is developed to investigate noise power spectral density in the frequency range 10−3–104 Hz, temperature range 7–500 K and DC voltage range at samples 0–50 V.
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