Perovskite Solar Cells Made by a Self-Quenching Method Using a Volatile Perovskite Ink with Safer Alternatives to 2‑Methoxyethanol

Perovskite Solar Cells Made by a Self-Quenching Method Using a Volatile Perovskite Ink with Safer Alternatives to 2‑Methoxyethanol

Four solvents from the glycol ether (GE) family were evaluated as safer alternatives to the highly toxic 2-methoxyethanol (2ME) used for the fabrication of perovskite solar cells (PSCs). A self-quenching process by spin-coating the acetonitrile (ACN)-based ink for 7 s was developed. The influence of...

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Bibliographic Details
Main Author: Samy Almosni (8345985) (author)
Other Authors: Fumiyasu Awai (8345988) (author), Ajay Jena (20419026) (author), Ludmila Cojocaru (4514701) (author), Ryota Kan (8996580) (author), Linh Vu Tuy (20419029) (author), Keishi Tada (11009254) (author), Kazuteru Nonomura (1930903) (author), Jotaro Nakazaki (1283088) (author), Satoshi Uchida (281774) (author), Hiroshi Segawa (1277808) (author)
Published: 2024
Subjects:
Biophysics
Medicine
Developmental Biology
Cancer
Plant Biology
Space Science
Biological Sciences not elsewhere classified
Chemical Sciences not elsewhere classified
Physical Sciences not elsewhere classified
highly toxic 2
four solvents studied
volatile perovskite ink
perovskite solar cells
quenching method using
perovskite layers
quenching process
safer alternatives
pscs ).
produce pscs
glycol ether
efficiency similar
cell efficiency
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Summary:Four solvents from the glycol ether (GE) family were evaluated as safer alternatives to the highly toxic 2-methoxyethanol (2ME) used for the fabrication of perovskite solar cells (PSCs). A self-quenching process by spin-coating the acetonitrile (ACN)-based ink for 7 s was developed. The influence of the ACN:GE ratio on the coverage of perovskite layers and cell efficiency was investigated to find that with the ACN:GE ratio of 8:1 the four solvents studied here can produce PSCs with an efficiency similar to 2ME and therefore can be used as a replacement for the latter.

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