pH effect in Langmuir–Blodgett self-assembly of MoS2 and WS2 thin films.
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| Title: | pH effect in Langmuir–Blodgett self-assembly of MoS |
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| Authors: | Rosales Hernández, Aldo Armando1 (AUTHOR) aldo.rosales@cinvestav.mx, Córdova Morales, Pablo2 (AUTHOR), Gujari, Sandeep Kumar1 (AUTHOR), García Rocha, Miguel3 (AUTHOR), Valdez Pérez, Donato3 (AUTHOR) |
| Source: | Journal of Materials Science: Materials in Electronics. Jul2024, Vol. 35 Issue 19, p1-8. 8p. |
| Abstract: | We reported Langmuir–Blodgett films of molybdenum disulphide and tungsten disulfide and studied the formation of MoS 2 and WS 2 layers. The effect of the subphase pH is investigated. Also, the influence of the subphase conditions on the number of layers was reported. By varying the pH of the buffer solution subphase, the solvent-to-nanoparticle interaction is changed and the compression of the layer during deposition is influenced. The stacking of the MoS 2 and WS 2 crystalline structure under the influence of subphase pH and the material concentration were investigated. Langmuir layers assembly is a useful method to manipulate the distribution of WS 2 and MoS 2 . Successful deposition of dichalcogenides at the air–water interface on silicon substrate was performed using Balance Langmuir–Blodgett technique. The characterization of WS 2 and films MoS 2 with X-ray diffraction, Raman spectroscopy, atomic force microscopy and scanning electron microscopy was carried out. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | We reported Langmuir–Blodgett films of molybdenum disulphide and tungsten disulfide and studied the formation of MoS 2 and WS 2 layers. The effect of the subphase pH is investigated. Also, the influence of the subphase conditions on the number of layers was reported. By varying the pH of the buffer solution subphase, the solvent-to-nanoparticle interaction is changed and the compression of the layer during deposition is influenced. The stacking of the MoS 2 and WS 2 crystalline structure under the influence of subphase pH and the material concentration were investigated. Langmuir layers assembly is a useful method to manipulate the distribution of WS 2 and MoS 2 . Successful deposition of dichalcogenides at the air–water interface on silicon substrate was performed using Balance Langmuir–Blodgett technique. The characterization of WS 2 and films MoS 2 with X-ray diffraction, Raman spectroscopy, atomic force microscopy and scanning electron microscopy was carried out. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 09574522 |
| DOI: | 10.1007/s10854-024-12994-7 |
