Page 447 - Organic Electronics in Sensors and Biotechnology

Current response Voltage response
1 μm 2 1 μm 2
10 μm 2 10 μm 2
10 –6 1000 μm 2 10 0 1000 μm 2
1 mm 2 1 mm 2
10 –8 1 cm 2 10 –2 1 cm 2
10 cm 2
Current (A) 10 –10 100 cm 2 Voltage (V) 10 –4 100 cm 2
10 cm 2
10 –12
10 –6
10 –14 10 –8
10 –16 10 –10
10 –4 10 –2 10 0 10 2 10 4 10 6 10 –4 10 –2 10 0 10 2 10 4 10 6
Frequency (Hz) Frequency (Hz)
(a) (b)

FIGURE 4.16 The calculated current and voltage response for different sensor
areas. Substrate: glass 175 μm; pyroelectric layer thickness: 400 nm. Calculated
for the values of R = 100 MΩ and C = 75 pF.
i i

10 4 10 2 10 0 10 4 10 2 10 0
10 4 Penetration depth (μm) ohne 10 4 10 4 Penetration depth (μm) ohne 10 4
50 μm 50 μm
175 μm 175 μm
10 2 575 μm 10 2 10 2 575 μm 10 2
Temperature lift (K) 10 –2 10 0 Temperature lift (K) 10 –2 10 0
1 mm
1 mm
10 mm
10 mm
10 0
10 0
10 –2
10 –2
10 –4 10 –4 10 –4 10 –4
Temperature lift with silicon substrate Temperature lift with glass substrate
10 –4 10 –2 10 0 10 2 10 4 10 6 10 –4 10 –2 10 0 10 2 10 4 10 6
Frequency (Hz) Frequency (Hz)
(a) (b)
10 4 10 2 10 0
Penetration depth (μm) ohne
50 μm
10 2 175 μm 10 2
575 μm
Temperature lift (K) 10 –2 10 0
1 mm
10 mm
10 0
10 –2
10 –4 10 –4
Temperature lift with Melinex substrate
10 –4 10 –2 10 0 10 2 10 4 10 6
Frequency (Hz)
(c)
FIGURE 4.17 Calculated temperature lift for different substrates and the multilayer
model depicted in Fig. 4.14. The substrates are (a) silicon, (b) glass, and (c) PET-foil
Melinex. The penetration depth of the thermal wave and its assignment to the
frequency are also indicated (red axis).