Publication detail

IMPEDANČNÍ A OPTICKÁ SPEKTROSKOPIE

VANÝSEK, P. NOVÁK, V.

Original Title

IMPEDANČNÍ A OPTICKÁ SPEKTROSKOPIE

English Title

Electrical Impedance and Optical Impedance Spectroscopy

Type

conference paper

Language

Czech

Original Abstract

Prezentace vysvětluje vazbu mezi elektrickou impedanční spektroskopií a elektrickou odezvovou spektroskopie indukované fluktujícím světlem.

English abstract

The presentation explains the link between electrical impedance spectroscopy and electrical response spectroscopy induced by fluctuating light. The title phrase "optical spectroscopy" does pertain to a number of instrumental optical spectroscopies (e.g., UV-VIS, IR etc.) as they are know from analytical chemistry literature. Rather, an electric signal in a photoactive material is generated by intensity modulated light at different frequencies (similar range to electrical impedance spectroscopy) and a response (the magnitude and the phase shift) is analyzed. In this respect the magnitude and phase shift correspond to the magnitude and a vector of resistance on the polar plot of electrical impedance measurement. However, the data obtained serve a different purpose. For example, in the shorted system, the time constant associated with the response corresponds to mobility of the photogenerated charge in the material. For an open-circuit potential the measured time constant response corresponds to the rate of recombination of the generated hole-electron species.

Keywords

impenančni spektroskopie

Key words in English

impedance specroscopy

Authors

VANÝSEK, P.; NOVÁK, V.

Released

8. 5. 2018

Publisher

Česká elektrotechnická společnost

ISBN

978-80-02-02786-7

Book

39. Nekonvenční zdroje elektrické energie

Edition number

1

Pages from

115

Pages to

118

Pages count

4

BibTex

@inproceedings{BUT147419,
  author="Petr {Vanýsek} and Vítězslav {Novák}",
  title="IMPEDANČNÍ A OPTICKÁ SPEKTROSKOPIE",
  booktitle="39. Nekonvenční zdroje elektrické energie",
  year="2018",
  number="1",
  pages="115--118",
  publisher="Česká elektrotechnická společnost",
  isbn="978-80-02-02786-7"
}