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Title: Mechanical response of CH 3 NH 3 PbI 3 nanowires
Authors: Ćirić, L.
Ashby, K.
Abadie, T.
Spina, M.
Duchamp, Martial
Náfrádi, B.
Kollár, M.
Forró, L.
Horváth, E.
Keywords: Spin Coating
Issue Date: 2018
Source: Ćirić, L., Ashby, K., Abadie, T., Spina, M., Duchamp, M., Náfrádi, B., . . . Horváth, E. (2018). Mechanical response of CH3NH3PbI3 nanowires. Applied Physics Letters, 112(11), 111901-. doi:10.1063/1.5023115
Series/Report no.: Applied Physics Letters
Abstract: We report a systematic study of the mechanical response of methylammonium lead triiodide CH3NH3PbI3 nanowires by employing bending measurements using atomic force microscope on suspended wires over photo-lithographically patterned channels. Force-deflection curves measured at room temperature give a Young's modulus between 2 and 14 GPa. This broad range of values is attributed to the variations in the microcrystalline texture of halide perovskite nanowires. The mechanical response of a highly crystalline nanowire is linear with force and has a brittle character. The braking modulus of 48 ± 20 MPa corresponds to 100 μm of radius of curvature of the nanowires, rendering them much better structures for flexible devices than spin coated films. The measured moduli decrease rapidly if the NW is exposed to water vapor.
ISSN: 0003-6951
DOI: 10.1063/1.5023115
Rights: © 2018 The Author(s). All rights reserved. This paper was published by AIP in Applied Physics Letters and is made available with permission of The Author(s).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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