Fig. 9: Wrinkling and nanostructure support for local strain generation. | Light: Science & Applications

Fig. 9: Wrinkling and nanostructure support for local strain generation.

From: Strain engineering of 2D semiconductors and graphene: from strain fields to band-structure tuning and photonic applications

Fig. 9

a Schematic of the formation of wrinkled 2D MoS2 (ref. 41), and b optical microscopy image of a wrinkled MoS2 sheet41. c, d SEM micrograph of an array of silica nanopillars on a silicon substrate and d fabrication procedures for a layered material (LM) on the nanopillars126. e AFM image of monolayer WSe2 on a silica nanopillar (upper panel), and height profiles of the nanopillar before (blue area) and after (pink line) LM deposition (lower panel)126. Reprinted a and b with permission from ref. 41. Copyright (2013) American Chemical Society. Reprinted c–e with permission from ref. 126. Copyright (2017) Springer Nature

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