Research Article

Enhancement of Photon Absorption on Thin-Film Semiconductor Using Photonic Crystal

Table 2

Electrical conductivity value (σ) of BST thin films after exposed by light with intensity more than 2000 lux (bright condition).

Mole fraction ( ) (×10−1 S/cm)Reduction percentage (%)
DarkBright
ABABAB

0.250.571250.225250.248130.20508130,222069,83519
0.355.102500.510253.253330.4311756,8393018,34079
0.454.963661.054751.219081.03142307,164422,26193
0.553.508331.865172.104441.0800866,7108672,68813

Conducted relatively to mole fraction ; A: without photonic crystals layer; B: with photonic crystals layer.