The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Surface-Energy-Assisted Perfect Transfer of Centimeter-Scale Monolayer and Few-Layer MoS2 Films onto Arbitrary Substrates
Abstract
The transfer of synthesized 2D MoS2 films is important for fundamental and applied research. However, it is problematic to translate the well-established transfer processes for graphene to MoS2 due to different growth mechanisms and surface properties. Here we demonstrate a surface-energy-assisted process that can perfectly transfer centimeter-scale monolayer and few-layer MoS2 films from original growth substrates onto arbitrary substrates with no observable wrinkles, cracks, and polymer residues. The unique strategies used in this process include leveraging the penetration of water between hydrophobic MoS2 films and hydrophilic growth substrates to lift off the films and dry transferring the film after the lift off. This is in stark contrast with the previous transfer process for synthesized MoS2 films, which explores the etching of the growth substrate by hot base solutions to lift off the films. Our transfer process can effectively eliminate the mechanical force caused by bubble generations, the attacks from chemical etchants, and the capillary force induced when transferring the film outside solutions as in the previous transfer process, which consists of the major causes for the previous unsatisfactory transfer. Our transfer process also benefits from using polystyrene (PS), instead of poly(methyl methacrylate) (PMMA) that was widely used previously, as the carrier polymer. PS can form more intimate interaction with MoS2 films than PMMA and is important for maintaining the integrity of the film during the transfer process. This surface-energy-assisted approach can be generally applied to the transfer of other 2D materials, such as WS2.
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All The Catalytic Active Sites of MoS 2 for Hydrogen Evolution
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Self-citationMa, E. Y., Guzelturk, B., Li, G., Cao, L., Shen, Z.-X., Lindenberg, A. M., & Heinz, T. F. (2019) · Science Advances · doi:10.1126/sciadv.aau0073 · Cited by 80
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Metadata
- Authors
- Gurarslan, A., Yu, Y., Su, L., Yu, Y., Suarez, F., Yao, S., Zhu, Y., Ozturk, M., Zhang, Y., & Cao, L.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-11-06
- Volume
- 8
- Issue
- 11
- Pages
- 11522-11528
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2129553451
- Cited by
- 480
- References
- 5
- FWCI
- 13.55
- Type
- journal article
- Language
- en
- Open access
- closed
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