Study on CH3NH3PbI3 Based Perovskite Solar Cell: An Approach to Antisolvent Treatment under Ambient Condition

Solar cells based on a new class of organic inorganic hybrid perovskite CH3NH3PbI3 have risen to prominence in recent years as a result of significant increases in photovoltaic power conversion efficiencies (PCEs). Antisolvent engineering has recently been discovered to be an efficient method for improving the PCE and stability of perovskite solar cells. For the first time, Ethyl acetate (EA) antisolvent treatment was used to manufacture CH3NH3PbI3 based thin film solar cells. Our findings show that a new microstructured morphology emerges in the CH3NH3PbI3 thin film as a result of non-covalent weak interaction between the perovskite absorber and the high boiling point antisolvent, EA, which we report for the first time. After EA antisolvent treatment, FESEM image displays microrod type structures of CH3NH3PbI3. Photoluminescence and photoemission research were used to create an energy band diagram. In comparison to non-EA treated film, EA treated film had a higher power conversion efficiency.

Author (S) Details

Pronoy Nandi

Institute of physics, Sachivalaya Marg, Bhubaneswar – 751005, India. and Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400085, India.

Chandan Giri

Institute of physics, Sachivalaya Marg, Bhubaneswar – 751005, India. and Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400085, India.

Umesh Bansode

Centre of Excellence in Solar Energy, Physical and Materials Chemistry Division, and Academy of Scientific and Innovative Research, National Chemical Laboratory, (CSIR-NCL), Pune 411008, India.

D. Topwal

Institute of physics, Sachivalaya Marg, Bhubaneswar – 751005, India. and Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai 400085, India.

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