Interfacial Layers of Small Molecule Organic Solar Cells

Babu, Sure Nagendra and Gupta, swati (2017) Interfacial Layers of Small Molecule Organic Solar Cells. Masters thesis, Indian Institute of Technology Hyderabad.

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The influence of interfacial layers, introduced between electrodes and active layer, on organic solar cells was understood. Anode interfacial layer was made of vanadium oxide (V2O5) or 4,4′,4′′-Tris[phenyl(m-tolyl)amino]triphenylamine (m-MTDATA). V2O5 is an inorganic material and m-MTDATA is an organic material. Tris(8-hydroxyquinolinato)aluminium (Alq3) was chosen as cathode interfacial layer. Two thicknesses of 5 nm and 10 nm were considered for each of V2O5, m-MTDATA and Alq3. Modeling and simulation of devices was done using transfer matrix methodology for the measurement of optical electric field, device reflectance, power dissipation, absorptance and power re-distribution. Optical and electrical characterization of fabricated devices was done for the measurement of current density-voltage characteristics, device reflectance, thickness, refractive index and extinction coefficient. It was observed that device with m-MTDATA of 5 nm as anode interfacial layer and Alq3 of 5 nm as cathode interfacial layer resulted in better performance.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Thesis (Masters)
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 01 Jan 2018 05:44
Last Modified: 01 Jan 2018 05:44
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