ISSN:
1433-0768
Keywords:
Key words Conducting polymers
;
Polybithienyl
;
Poly(3-butylthiophene)
;
Organic semiconductor
;
Diffential capacity
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract Photocurrent and differential capacity measurements have been carried out at polybithienyl (PBT) and poly(3-butylthiophene) (PBuT) films on platinum. The photocurrents are cathodic, similar to inorganic p-type semiconductors. The band gap energy was determined from the photocurrent spectra (E g=1.7 eV for PBT and E g=1.9 eV for PBuT). The dependence of the differential capacity on the potential could be presented as Mott-Schottky plot, at least in a limited potential region. The flatband potential was determined (E fb= 0.67 V for PBT and E fb=0.58 V for PBuT).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s100080050139
Permalink