Publication detail

Impedance Spectroscopy Study of Organic Photovoltaic Cells with an Inkjet Printed Hole-Extracting Graphene Oxide Layer

POSPÍŠIL, J. KOVALENKO, A. SCHMIEDOVÁ, V. ZMEŠKAL, O. VALA, M.

Original Title

Type

abstract

Language

English

Original Abstract

This paper deals with the study of light conversion efficiency of organic photovoltaic cells with an inkjet-printed graphene oxide layer. The graphene oxide is used in this experiment as a hole-extracting, electron blocking layer in bulk heterojunction organic solar cells based on DPP(TBFu)2:PC60BM blend. It is also studied the influence of the GO reduction (chemically, by UV radiation and by annealing) on the final efficiency of photovoltaic conversion. Power conversion efficiency and the transport of charge carriers are evaluated by measuring of current-voltage characteristics and mainly by impedance spectroscopy analysis. In this regard, using of graphene oxide and its reduced form showed negative influence on the device performance caused by an inefficient charge carrier collection at the short-circuit condition.

Keywords

organic solar cells; graphene oxide; reduction; current‐voltage measurements; impedance spectroscopy

Authors

POSPÍŠIL, J.; KOVALENKO, A.; SCHMIEDOVÁ, V.; ZMEŠKAL, O.; VALA, M.

Released

12. 9. 2018

Publisher

Vysoké učení technické v Brně, Fakulta chemická, Purkyňova 464/118, 612 00 Brno

Location

Brno

ISBN

978-80-214-5488-0

Book

7th Meeting on Chemistry and Life 2018. Book of abstracts

Pages count

BibTex

@misc{BUT156112,
  author="Jan {Pospíšil} and Alexander {Kovalenko} and Veronika {Schmiedová} and Oldřich {Zmeškal} and Martin {Vala}",
  title="Impedance Spectroscopy Study of Organic Photovoltaic Cells with an Inkjet Printed Hole-Extracting Graphene Oxide Layer",
  booktitle="7th Meeting on Chemistry and Life 2018. Book of abstracts",
  year="2018",
  pages="1",
  publisher="Vysoké učení technické v Brně, Fakulta chemická, Purkyňova 464/118, 612 00 Brno",
  address="Brno",
  isbn="978-80-214-5488-0",
  note="abstract"
}