Journal article Open Access

Growth patterns and properties of aerosol-assisted chemical vapor deposition of CH3NH3PbI3 films in a single step

Afzaal, Mohammad; Yates, Heather M.

In this work, we highlight growth patterns and properties of aerosol-assisted chemical vapor deposition of perovskite, CH3NH3PbI3 thin films. The substrates were distinctly covered with both perovskite and lead iodide thin films which we attribute to methylammonium iodide being the rate limiting step via mass transport. The black perovskite films demonstrated strong absorption and photoluminescence properties confirming their suitability as a light absorbing material for the fabrication of solar cells. Scanning electron microscope images showed dense morphologies along with the confirmation of holes and gaps at reduced growth temperature.

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