Optical sensors based on the NiPc–CoPc composite films deposited by drop casting and under the action of centrifugal force
Fatima Noshin1, Ahmed Muhammad M1, Karimov Khasan S2, 3, Ahmad Zubair4, †, Muhammad Fahmi Fariq5, 6
       

(a) Relationships between impedance and light intensity and, (b) relationships between capacitance and light intensity for the NiPc-CoPc samples.