Please use this identifier to cite or link to this item:
Title: Electromechanical modulations in transition metal dichalcogenide nanosheets : implications for environmental sensors.
Authors: Bessa, Maurício Vasconcelos
Freitas, Wellington Damaceno de
Neme, Natália Paz
Martins, Luiz Gustavo Pimenta
Barboza, Ana Paula Moreira
Matos, Matheus Josué de Souza
Mazzoni, Mário Sérgio de Carvalho
Neves, Bernardo Ruegger Almeida
Keywords: Scanning probe microscopy
DFT calculations
Issue Date: 2021
Citation: BESSA, M. V. et al. Electromechanical modulations in transition metal dichalcogenide nanosheets: implications for environmental sensors. Acs Applied Nano Materials, v. 4, p. 11305-11311, 2021. Disponível em: <>. Acesso em: 06 jul. 2022.
Abstract: Transition metal dichalcogenides (TMDs) are key players in the two-dimensional materials nanoarena due to their exquisite optoelectronic properties under a standard environment (room temperature and atmospheric pressure). Nevertheless, as reported in the literature, they may also portray interesting physical properties under different environments. Here, we show two distinct and significant electromechanical modulations in TMD nanosheets which are tuned by the environmental conditions (applied pressure and adsorbents). Using scanning probe microscopy techniques, we modify the environmental conditions and observe steplike rises in the electrical response of all studied TMDs (MoS2, WS2, MoSe2, and WSe2monolayers and few layers). Ab initio calculations enable full understanding of specific mechanisms behind these electromechanical modulations, which may find important applications in the design of TMD-based environmental sensors.
ISSN: 2574-0970
Appears in Collections:DEFIS - Artigos publicados em periódicos

Files in This Item:
File Description SizeFormat 
  Restricted Access
5,9 MBAdobe PDFView/Open

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.