Detail publikace

SENSORIC PROPERTIES OF AROMATIC AND HETEROCYCLIC COMPOUNDS WITH CONJUGATED BONDS

SALYK, O. BEDNÁŘ, P. VALA, M. VYŇUCHAL, J.

Originální název

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

Dipyridyldiketopyrrolopyrrole (DPPP) and phenylpyridyldiketopyrrolopyrrole were investigated in terms of acid vapour effect on their properties in comparison with diphenyldiketopyrrolopyrrole (DPP). Materials were deposited by vacuum evaporation in form of about 100 nm thin films. The reversible changes of UV-VIS light absorption as well as of IR absorption when treated in acid vapour were tested. The explanation of protonation of ternary nitrogen atom in pyridyl ring was accepted. The conductivity measured in gap electrode arrangement increased by 5 to 6 orders. All changes remained stable unless the sample was recovered by annealing at 170C and the entire process was fully reversible. The compounds exhibit good thermal and chemical stability and are suitable for sensing elements in sensors of acids vapours and hydrogen.

Klíčová slova

Dipyridyldiketopyrrolopyrrole, UV-VIS spectra, IR spectra, conductivity

Autoři

SALYK, O.; BEDNÁŘ, P.; VALA, M.; VYŇUCHAL, J.

Rok RIV

2009

Vydáno

2. 11. 2009

Místo

Polsko

ISSN

0137-1339

Periodikum

MATERIALS SCIENCE-POLAND

Ročník

Číslo

Stát

Polská republika

Strany od

649

Strany do

658

Strany počet

BibTex

@article{BUT47491,
  author="Ota {Salyk} and Pavel {Bednář} and Martin {Vala} and Jan {Vyňuchal}",
  title="SENSORIC PROPERTIES OF AROMATIC AND HETEROCYCLIC COMPOUNDS WITH CONJUGATED BONDS",
  journal="MATERIALS SCIENCE-POLAND",
  year="2009",
  volume="27",
  number="3",
  pages="649--658",
  issn="0137-1339"
}