A1 Journal article (refereed)
Deterministic Modification of CVD Grown Monolayer MoS2 with Optical Pulses (2021)

Turunen, M. T., Hulkko, E., Mentel, K. K., Bai, X., Akkanen, S., Amini, M., Li, S., Lipsanen, H., Pettersson, M., & Sun, Z. (2021). Deterministic Modification of CVD Grown Monolayer MoS2 with Optical Pulses. Advanced Materials Interfaces, 8(10), Article 2002119. https://doi.org/10.1002/admi.202002119

JYU authors or editors

Hulkko, Eero
Mentel, Kamila
Pettersson, Mika

Publication details

All authors or editors: Turunen, Mikko T.; Hulkko, Eero; Mentel, Kamila K.; Bai, Xueyin; Akkanen, Suvi‐Tuuli; Amini, Mohammad; Li, Shisheng; Lipsanen, Harri; Pettersson, Mika; Sun, Zhipei

Journal or series: Advanced Materials Interfaces

ISSN: 2196-7350

eISSN: 2196-7350

Publication year: 2021

Publication date: 18/03/2021

Volume: 8

Issue number: 10

Article number: 2002119

Publisher: Wiley-VCH Verlag

Publication country: Germany

Publication language: English

DOI: https://doi.org/10.1002/admi.202002119

Publication open access: Not open

Publication channel open access:

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/78780

Abstract

Transition metal dichalcogenide monolayers have demonstrated a number of exquisite optical and electrical properties. Here, the authors report the optical modification of topographical and optical properties of monolayer MoS2 with femtosecond pulses under an inert atmosphere. A formation of three‐dimensional structures on monolayer MoS2 with tunable height up to ≈20 nm is demonstrated. In contrast to unmodified monolayer MoS2, these optically modified structures show significantly different optical properties, such as lower photoluminescence intensity and longer fluorescence lifetime. The results suggest a novel way to modify transition metal dichalcogenide materials for mechanic, electronic and photonic applications.

Keywords: thin films; molybdenum; sulphur compounds; chemical vapour deposition; optical properties; photoluminescence

Free keywords: molybdenum disulfide; optical modification; photoluminescence; topography; 2D materials

Fields of science: