Enhanced photoelectrochemical performance of inorganic-organic hybrid consisting of BiVO4 and PEDOT:PSS
PBN-AR
Instytucja
Wydział Chemiczny (Politechnika Gdańska)
Źródłowe zdarzenia ewaluacyjne
Informacje podstawowe
Główny język publikacji
ENG
Czasopismo
APPLIED SURFACE SCIENCE
ISSN
0169-4332
EISSN
Wydawca
DOI
URL
Rok publikacji
2016
Numer zeszytu
part B
Strony od-do
753-761
Numer tomu
388
Identyfikator DOI
Liczba arkuszy
Słowa kluczowe
BIVO 4
PEDOT:PSS
PHOTOANODE
PHOTOCURRENT
Streszczenia
Język
Treść
The PEDOT:PSS (poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)) was electrodeposited on a thin layer of bismuth vanadate (BiVO 4 ) prepared using the pulsed laser deposition technique onto FTO. The inorganic-organic junction was characterized by Raman spectroscopy, UV-Vis spectroscopy and sc anning electron microscopy. Chronoamperometry curves, recorded under simulated solar light illumination, were performed to determine generated photocurrent during water and hydroquinone oxidation at the electrode surface. Experiments were performed for three types of electrode materials: i) FTO/BiVO 4 , ii) FTO/PEDOT:PSS and iii) FTO/BiVO 4 /PEDOT:PSS in aqueous electrolyte. Almost 5 times higher photocurrent in electrolyte containing hole scavenger was generated after modification of BiVO 4 photoanode with electrodeposited polymer. It is noteworthy that anodic photocurrent was stable even after 4 h of illumination. Cyclic voltammetry curves of FTO/BiVO 4 /PEDOT:PSS recorded before and after experiments performed under electrode illumination indicated that the organic part in tested junction is photo-corrosion resistant.
Inne
System-identifier
136531
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