DataVXACS Energy LettersPaper
journal article·2026-04-10

Controlling Phase Transition Dynamics in Laser-Printed Perovskite Films via Additive-Driven Strain Engineering

Hurriyet Yuce-Cakir, Manikanta Makala, Ganga R. Neupane, Marielle Deconinck, Vladimir V. Shilovskikh, Xinyi Zhou, Rudolph Holley, Quinn C. Burlingame, Yana Vaynzof, Yueh-Lin Loo, Behrang H. Hamadani, Oana D. Jurchescu

ACS Energy Letters· Volume 11· Issue 4
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Source abstract

Abstract

The structural phase transitions in hybrid perovskites are critical to their performance and stability, but controlling them remains a significant challenge. Here, we demonstrate that the dynamics of the low-temperature tetragonal-to-orthorhombic phase transition in laser-printed MAPbI 3 films can be controlled by tailoring additive chemistry. We show that the choice of charge control agent (CCA) directly impacts the intrinsic defect and strain landscape of the resulting film: an ionic CCA promotes a low-strain lattice that facilitates the phase transition. In contrast, a molecular CCA induces a high-strain, defect-rich lattice, which creates a high kinetic barrier that suppresses the transition and effectively “pins” the tetragonal phase. This work establishes a strategy to engineer strain and manage phase behavior in perovskite films, demonstrating that the ability to “lock” or “enable” a specific crystal phase by selecting additives provides a pathway to mitigate degradation and engineer stable, high-performance perovskite devices.
Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Advanced Sensor and Energy Harvesting Materials · Electronic and Structural Properties of Oxides

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Deparment of Physics and Center for Functional Materials

Wake Forest University

PREP Associate, Engineering Laboratory

National Institute of Standards and Technology

Ralph O’Connor Sustainable Energy Institute

Johns Hopkins University

Chair for Emerging Electronic Technologies, Technical University of Dresden, Nöthnitzer Str. 61, 01187 Dresden, Germany

Leibniz-Institute for Solid State and Materials Research Dresden, Helmholtzstraße 20, 01069 Dresden, Germany

Department of Electrical and Computer Engineering

Princeton University

Department of Chemical and Biological Engineering

Engineering Laboratory

Funding

Deutsche Forschungsgemeinschaft · Division of Civil, Mechanical and Manufacturing Innovation · Solar Energy Technologies Office · Professional Research Experience Program

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