Solar Cell Characteristic Studies on Metal Organic Framework/TiO2 Hybrid Solar Cell

K. Deepak1,*, Sampathrao L. Pinjare2

1Department of Physics, School of Applied Sciences, Reva University, Bangalore 560064, India

2Department of ECE, Nitte Meenakshi Institute of Technology, Bangalore 560064, India

Adv. Mater. Lett., 2020, 11 (9), 20091555

DOI: 10.5185/amlett.2020.091555

Publication Date (Web): Aug 07, 2020

E-mail: ukdeepak@gmail.com

Abstract


1,3,5-Triazine-2,4,6-trithiolate (TCA) coordination polymer and TiO2 metal oxide were used to prepare a hybrid solar cell. Electrochemical polymerization of TCA on copper electrode forms CuTCA metal-organic framework (MOF). The CuTCA acts as optically active and hole transport layer whereas TiO2 acts as exciton dissociation surface. The device was characterized under 100 mW/cm2 condition in Cu/CuTCA-MOF/TiO2/Ag geometry, where copper and silver serve as bottom and top electrodes respectively. The device yield power conversion efficiency (PCE) of 0.196 with open-circuit voltage (Voc), short circuit current (Isc) as 0.161 V and 0.431 mA/cm2 respectively. The room temperature electrical characterization of CuTCA-MOF reveals its hole mobility (µ), thermally generated hole concentration (no) and resistance as 10.16x10-3 m2/Vs, 8.27x1018 m-3 and 250 Ω respectively.

Keywords

Metal organic framework, Coordination polymer, Hybrid solar cell, electrochemical deposition, dc characterization.

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