Fabrication and Investigation of Printing Mechanism in order to Deposit Semiconductor thin Films for Photovoltaic Devices

Please enable javascript in your browser.

Akbari, Hamid Reza | 2017

472 Viewed

Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 49321 (04)
University: Sharif University of Technology
Department: Physics
Advisor(s): Taghavinia, Nima
Abstract:
Finding a reliable and reproducible method to deposit thin films of semiconductors is a huge leap forward in order to fabricate nano-structured solar cells. As the third and forth generation of solar cells are based on semiconductors which are soluble in solvents and can be deposited with solution-based methods, finding a proper printing mechanics can lead to cheap solar panels. In this thesis we have designed and fabricated an apparatus to deposit lead iodide films. These thin films can be used to fabricate perovskite solar cells which are based on methylammonium lead iodide perovskite. We have also investigated different inks consisting of different additives and solvents best suited for our printing mechanism.
Using our slot-die printing machine we have investigated effects of different parameters governing the printing process such as coating speed, substrate temperature and ink solid content concentration. Our goal is to deposit a thin film with constant, reproducible thickness and proper morphology.
Keywords:
Deposition ; Perovskite ; Solar Cells ; Print Method ; Ink

No TOC