Universität zu Köln

Wilk, Barbara, Oz, Senol, Radicchi, Eros, Unlu, Feray ORCID: 0000-0001-7242-8020, Ahmad, Taimoor ORCID: 0000-0001-9922-9603, Herman, Artur P., Nunzi, Francesca, Mathur, Sanjay, Kudrawiec, Robert and Wojciechowski, Konrad ORCID: 0000-0002-7664-801X (2021). Green Solvent-Based Perovskite Precursor Development for Ink-Jet Printed Flexible Solar Cells. ACS Sustain. Chem. Eng., 9 (10). S. 3913 - 3924. WASHINGTON: AMER CHEMICAL SOC. ISSN 2168-0485

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Abstract

Within a decade, perovskite solar cells (PSCs) leaped to the forefront of photovoltaic research, rapidly moving toward the industrial phase. Despite the impressive progress in technology development and new efficiency records, there still remains a large scope for further advancement. Utilization of scalable deposition methods and good control of the perovskite crystallization process, especially with industrially compatible fabrication protocols, require more understanding to ascertain reproducible, large-format manufactur-ing. Her; we report ink formulation development for ink-jet printing of perovskite thin films in ambient conditions. We used the precursor solution on a nonhazardous solvent system, fulfilling industrial requirements. By carefully adjusting the coordination environment of the Pb2+ through additive engineering, we were able to tune the nucleation process and achieve uniform, pinhole-free perovskite thin films. Furthermore, we combined multiple characterization techniques with computational methods to analyze Pb-complex structures and evaluate their influence on perovskite formation. Lastly, we applied ink-jet printed photoactive layers into large-area (1 cm(2)) photovoltaic devices and processed on flexible substrates (PET foil). Inverted (p-i-n architecture) PSCs, based on multication composition, Cs-0.1[(HC(NH2)(2))(0)(.8)(3)(CH3NH3)(0.17)](0)Pb-.9-(I0.83Br0.17)(3), delivered 11.4% of power conversion efficiency.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Wilk, Barbara UNSPECIFIED UNSPECIFIED UNSPECIFIED Oz, Senol UNSPECIFIED UNSPECIFIED UNSPECIFIED Radicchi, Eros UNSPECIFIED UNSPECIFIED UNSPECIFIED Unlu, Feray UNSPECIFIED orcid.org/0000-0001-7242-8020 UNSPECIFIED Ahmad, Taimoor UNSPECIFIED orcid.org/0000-0001-9922-9603 UNSPECIFIED Herman, Artur P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Nunzi, Francesca UNSPECIFIED UNSPECIFIED UNSPECIFIED Mathur, Sanjay UNSPECIFIED UNSPECIFIED UNSPECIFIED Kudrawiec, Robert UNSPECIFIED UNSPECIFIED UNSPECIFIED Wojciechowski, Konrad UNSPECIFIED orcid.org/0000-0002-7664-801X UNSPECIFIED
URN:	urn:nbn:de:hbz:38-592061
DOI:	10.1021/acssuschemeng.0c09208
Journal or Publication Title:	ACS Sustain. Chem. Eng.
Volume:	9
Number:	10
Page Range:	S. 3913 - 3924
Date:	2021
Publisher:	AMER CHEMICAL SOC
Place of Publication:	WASHINGTON
ISSN:	2168-0485
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language Chemistry, Multidisciplinary; Green & Sustainable Science & Technology; Engineering, Chemical Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/59206