Akademik Veri Yönetim Sistemi
4th International Conference on Light and Light-based Technologies (ICLLT), Ankara, Türkiye, 16 Mayıs 2024, ss.83, (Özet Bildiri)
In this study, poly (2-ethylhexyl acrylate) (PEHA) homopolymer was coated
as an interlayer onto n-type Si by initiated chemical vapor deposition (iCVD), which
provides much better deposition control and homogeneity 1. The
capacitance/conductance-voltage (C/(G/ω-V) characteristics were investigated both in
the dark and under illuminations with a reference sample. The basic electrical
parameters and the illumination-induced variation of surface state (Nss) were obtained
for two samples with different methods. The formation of the polymer interlayer resulted
in a reduction in Nss values, both in the inversion and forward biases. Furthermore,
while the photocapacitance sensitivity due to the light effect at constant C values (for
1.2 nF) was 6.3 Vcm2/W for the reference structure, this value was obtained as 12.1
Vcm2/W in the interlayered structure. Consequently, the findings are suitable for
optoelectronic applications, given the significant changes in C and G values that occur
depending on voltage and illumination levels.