Publication detail

Noise and optical spectroscopy of single junction silicon solar cell

ŠKVARENINA, Ľ. MACKŮ, R.

Original Title

Noise and optical spectroscopy of single junction silicon solar cell

Type

journal article in Web of Science

Language

English

Original Abstract

Noise spectroscopy as a highly sensitive method for non-destructive diagnostics of semiconductor devices was applied to solar cells based on crystalline silicon with a view to evaluating the quality and reliability of this solar cell type. The experimental approach was used in a reverse-biased condition where the internal structure of solar cells, as well as pn junction itself, was electrically stressed and overloaded by a strong electric field. This gave a rise to a strong generation of a current noise accompanied by local thermal instabilities, especially in the defect sites. It turned out that local temperature changes could be correlated with a flicker noise generation in a wide frequency range. Furthermore, an electrical breakdown in a non-stable form also occurred in some specific local regions what created a microplasma noise with a two-level current fluctuation in form of the Lorentzian-like noise spectrum. The noise research was conducted on both these phenomena in combination with a spectrally-filtered electroluminescence mapping in a visible/near-infrared spectrum range and a dark lock-in infrared thermography in a far-infrared range. Then the physical origin of the light emission from the particular defects was searched by a scanning electron microscope and additionally was performed an experimental elimination of one specific defect by a focused ion beam milling.

Keywords

non-destructive diagnostics, c-Si solar cells, 1/f noise, electroluminescence, lock-in IR thermography

Authors

ŠKVARENINA, Ľ.; MACKŮ, R.

Released

30. 6. 2018

Publisher

Metrology and Measurement Systems

Location

Poland: Gdańsk

ISBN

0860-8229

Periodical

METROL MEAS SYST

Year of study

25

Number

2

State

Republic of Poland

Pages from

303

Pages to

316

Pages count

14

URL

http://journals.pan.pl/Content/104031/PDF/art04.pdf

BibTex

@article{BUT116892,
  author="Ľubomír {Škvarenina} and Robert {Macků}",
  title="Noise and optical spectroscopy of single junction silicon
solar cell",
  journal="METROL MEAS SYST",
  year="2018",
  volume="25",
  number="2",
  pages="303--316",
  doi="10.24425/119565",
  issn="0860-8229",
  url="http://journals.pan.pl/Content/104031/PDF/art04.pdf"
}