2022 Fiscal Year Research-status Report

Innovative reactive polyiodide melt method to fabricate lead-free Perovskite absorber layers and solar cells

Research Project

Project/Area Number	19K05683
Research Institution	National Institute of Advanced Industrial Science and Technology
Principal Investigator	Kazaoui Said 国立研究開発法人産業技術総合研究所, エネルギー・環境領域, 主任研究員 (30356761)
Project Period (FY)	2019-04-01 – 2024-03-31
Keywords	perovskite / tin / lead-free / synthesis / XRD
Outline of Annual Research Achievements	This year, I further investigated by XRD the formation of MASnI3 film made by reacting Sn metal film with MAI vapor at 130 and 150C. I observed that the reactions paths lead to different products and investigated the possible reactions mechanisms. The results were reported at the conference.
Current Status of Research Progress	Current Status of Research Progress 3: Progress in research has been slightly delayed. Reason Progress is in accordance with our research plan, although delayed due to the working conditions and rules to prevent the Covid-19.
Strategy for Future Research Activity	1) This year, I will further study the reaction mechanisms of MASnI3 and FAPbI3. 2) This year, I am planning to attend conferences to report our recent results.
Causes of Carryover	The conferences and business trips in FY2020, FY2021, and FY2022 were cancelled. In FY2023, the incurring amount will be used to attend conferences, to pay the registration fees and business trips fees.

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