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Title: Controlled local orientation of 2D nanomaterials in 3D devices: methods and prospects for multifunctional designs and enhanced performance
Authors: He, Hongying
Guan, Lizhi
Le Ferrand, Hortense
Keywords: Engineering::Materials
Issue Date: 2022
Source: He, H., Guan, L. & Le Ferrand, H. (2022). Controlled local orientation of 2D nanomaterials in 3D devices: methods and prospects for multifunctional designs and enhanced performance. Journal of Materials Chemistry A.
Project: NRFF12-2020-0006
Journal: Journal of Materials Chemistry A
Abstract: Two-dimensional (2D) nanomaterials are sheet-like crystalline solids exhibiting remarkable electrical, chemical, mechanical and optical properties. The emergence of 2D nanomaterials of diverse chemistries with unique performance at the nanometric scale provides great potential to establish enhanced functionalities at the macroscopic scale. However, transposing these nanoscopic properties into functional macroscopic devices remains a challenge due to the lack of suitable processing technologies. Recent experimental efforts to control the local orientation of 2D materials in thin films and reinforced composites have demonstrated significant advances in improving the bulk material performances and could be the key to unlock next-generation multifunctional designs. Examples of these for sensors, thermoelectrics and energy harvesting devices are provided in this review. Then, we present the recent advances and methods for achieving controlled alignment of 2D nanomaterials, including in horizontal, vertical, heterogeneous and arbitrary oriented configurations. Moreover, the advances in 3D printing technology to support aligned microstructures and its capability to build multimaterial compositions, design complex structures and scale up, are discussed in detail. Finally, we envision exciting future developments yet also challenges to realize the promises of complex multifunctional energy devices based on 2D nanomaterials with enhanced performance, sustainability, and potentially opening up new applications.
ISSN: 2050-7488
DOI: 10.1039/D2TA01926D
Schools: School of Mechanical and Aerospace Engineering 
School of Materials Science and Engineering 
Rights: © 2022 The Royal Society of Chemistry. All rights reserved. This paper was published in Journal of Materials Chemistry A and is made available with permission of The Royal Society of Chemistry.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles
MSE Journal Articles

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