Abstract

Crumple-structured two-dimensional ${\mathrm{MoS}}_2$ was evaluated as an essential element for future optoelectronic and stretchable devices owing to its interesting optical properties. This Letter reports the characteristics of the crumpled structure of ${\mathrm{MoS}}_2$ directly layered on a ${\mathrm{MoS}}_2$ sheet by chemical vapor deposition. The crumpling structure is presented as a method for selectively layering ${\mathrm{MoS}}_2$ with crumpled layered patterning and tunable optical properties as a crumpled structure on a single substrate. Optical analysis by the fast Fourier transform revealed the distribution characteristics of the crumple structure, and a Raman, photoluminescence, and optical absorption analysis confirmed the change in peak shift and intensity according to the degree of the crumpled structure. This material has potential future optoelectronic applications.

© 2018 Optical Society of America

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