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Title: Surfactant-Mediated Growth and Patterning of Atomically Thin Transition Metal Dichalcogenides

Abstract

The role of additives in facilitating the growth of conventional semiconducting thin films is well-estabThe role of additives in facilitating the growth of conventional semiconducting thin films is well-established. Apparently, their presence is also decisive in the growth of two-dimensional transition metal dichalcogenides (TMDs), yet their role remains ambiguous. In this work, we show that the use of sodium bromide enables synthesis of TMD monolayers via a surfactant-mediated growth mechanism, without introducing liquefaction of metal oxide precursors. We discovered that sodium ions provided by sodium bromide chemically passivate edges of growing molybdenum disulfide crystals, relaxing in-plane strains to suppress 3D islanding and promote monolayer growth. To exploit this growth model, molybdenum disulfide monolayers were directly grown into desired patterns using predeposited sodium bromide as a removable template. In conclusion, the surfactant-mediated growth not only extends the families of metal oxide precursors but also offers a way for lithography-free patterning of TMD monolayers on various surfaces to facilitate fabrication of atomically thin electronic devices.lished. Apparently, their presence is also decisive in the growth of two-dimensional transition metal dichalcogenides (TMDs), yet their role remains ambiguous. In this work, we show that the use of sodium bromide enables synthesis of TMD monolayers viamore » a surfactant-mediated growth mechanism, without introducing liquefaction of metal oxide precursors. We discovered that sodium ions provided by sodium bromide chemically passivate edges of growing molybdenum disulfide crystals, relaxing in-plane strains to suppress 3D islanding and promote monolayer growth. To exploit this growth model, molybdenum disulfide monolayers were directly grown into desired patterns using predeposited sodium bromide as a removable template. The surfactant-mediated growth not only extends the families of metal oxide precursors but also offers a way for lithography-free patterning of TMD monolayers on various surfaces to facilitate fabrication of atomically thin electronic devices.« less

Authors:
ORCiD logo [1];  [2]; ORCiD logo [1];  [3];  [4];  [5];  [3]; ORCiD logo [6];  [7];  [7];  [7];  [8]; ORCiD logo [3]; ORCiD logo [3];  [6]; ORCiD logo [5]; ORCiD logo [7];  [9]; ORCiD logo [8];  [4] more »;  [1] « less
  1. Honda Research Institute USA Inc., San Jose, CA (United States)
  2. Honda Research Institute USA Inc., San Jose, CA (United States); Pennsylvania State University, University Park, PA (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Rice Univ., Houston, TX (United States)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  6. Stanford Univ., CA (United States)
  7. National Synchrotron Radiation Research Center (NSRRC), Hsinchu (Taiwan)
  8. Pennsylvania State University, University Park, PA (United States)
  9. Harvard Univ., Cambridge, MA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation Graduate Research Fellowship
OSTI Identifier:
1647238
Alternate Identifier(s):
OSTI ID: 1657899
Grant/Contract Number:  
AC02-76SF00515; W911NF-14-0247; DGE1656518; DMR- 1231319; AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
ACS Nano
Additional Journal Information:
Journal Volume: 14; Journal Issue: 6; Journal ID: ISSN 1936-0851
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; surfactant; MoS2; edge passivation; strain; lithography-free patterning

Citation Formats

Li, Xufan, Kahn, Ethan, Chen, Gugang, Sang, Xiahan, Lei, Jincheng, Passarello, Donata, Oyedele, Akinola D., Zakhidov, Dante, Chen, Kai-Wen, Chen, Yu-Xun, Hsieh, Shang-Hsien, Fujisawa, Kazunori, Unocic, Raymond R., Xiao, Kai, Salleo, Alberto, Toney, Michael F., Chen, Chia-Hao, Kaxiras, Efthimios, Terrones, Mauricio, Yakobson, Boris I., and Harutyunyan, Avetik R. Surfactant-Mediated Growth and Patterning of Atomically Thin Transition Metal Dichalcogenides. United States: N. p., 2020. Web. doi:10.1021/acsnano.0c00132.
Li, Xufan, Kahn, Ethan, Chen, Gugang, Sang, Xiahan, Lei, Jincheng, Passarello, Donata, Oyedele, Akinola D., Zakhidov, Dante, Chen, Kai-Wen, Chen, Yu-Xun, Hsieh, Shang-Hsien, Fujisawa, Kazunori, Unocic, Raymond R., Xiao, Kai, Salleo, Alberto, Toney, Michael F., Chen, Chia-Hao, Kaxiras, Efthimios, Terrones, Mauricio, Yakobson, Boris I., & Harutyunyan, Avetik R. Surfactant-Mediated Growth and Patterning of Atomically Thin Transition Metal Dichalcogenides. United States. https://doi.org/10.1021/acsnano.0c00132
Li, Xufan, Kahn, Ethan, Chen, Gugang, Sang, Xiahan, Lei, Jincheng, Passarello, Donata, Oyedele, Akinola D., Zakhidov, Dante, Chen, Kai-Wen, Chen, Yu-Xun, Hsieh, Shang-Hsien, Fujisawa, Kazunori, Unocic, Raymond R., Xiao, Kai, Salleo, Alberto, Toney, Michael F., Chen, Chia-Hao, Kaxiras, Efthimios, Terrones, Mauricio, Yakobson, Boris I., and Harutyunyan, Avetik R. Mon . "Surfactant-Mediated Growth and Patterning of Atomically Thin Transition Metal Dichalcogenides". United States. https://doi.org/10.1021/acsnano.0c00132. https://www.osti.gov/servlets/purl/1647238.
@article{osti_1647238,
title = {Surfactant-Mediated Growth and Patterning of Atomically Thin Transition Metal Dichalcogenides},
author = {Li, Xufan and Kahn, Ethan and Chen, Gugang and Sang, Xiahan and Lei, Jincheng and Passarello, Donata and Oyedele, Akinola D. and Zakhidov, Dante and Chen, Kai-Wen and Chen, Yu-Xun and Hsieh, Shang-Hsien and Fujisawa, Kazunori and Unocic, Raymond R. and Xiao, Kai and Salleo, Alberto and Toney, Michael F. and Chen, Chia-Hao and Kaxiras, Efthimios and Terrones, Mauricio and Yakobson, Boris I. and Harutyunyan, Avetik R.},
abstractNote = {The role of additives in facilitating the growth of conventional semiconducting thin films is well-estabThe role of additives in facilitating the growth of conventional semiconducting thin films is well-established. Apparently, their presence is also decisive in the growth of two-dimensional transition metal dichalcogenides (TMDs), yet their role remains ambiguous. In this work, we show that the use of sodium bromide enables synthesis of TMD monolayers via a surfactant-mediated growth mechanism, without introducing liquefaction of metal oxide precursors. We discovered that sodium ions provided by sodium bromide chemically passivate edges of growing molybdenum disulfide crystals, relaxing in-plane strains to suppress 3D islanding and promote monolayer growth. To exploit this growth model, molybdenum disulfide monolayers were directly grown into desired patterns using predeposited sodium bromide as a removable template. In conclusion, the surfactant-mediated growth not only extends the families of metal oxide precursors but also offers a way for lithography-free patterning of TMD monolayers on various surfaces to facilitate fabrication of atomically thin electronic devices.lished. Apparently, their presence is also decisive in the growth of two-dimensional transition metal dichalcogenides (TMDs), yet their role remains ambiguous. In this work, we show that the use of sodium bromide enables synthesis of TMD monolayers via a surfactant-mediated growth mechanism, without introducing liquefaction of metal oxide precursors. We discovered that sodium ions provided by sodium bromide chemically passivate edges of growing molybdenum disulfide crystals, relaxing in-plane strains to suppress 3D islanding and promote monolayer growth. To exploit this growth model, molybdenum disulfide monolayers were directly grown into desired patterns using predeposited sodium bromide as a removable template. The surfactant-mediated growth not only extends the families of metal oxide precursors but also offers a way for lithography-free patterning of TMD monolayers on various surfaces to facilitate fabrication of atomically thin electronic devices.},
doi = {10.1021/acsnano.0c00132},
journal = {ACS Nano},
number = 6,
volume = 14,
place = {United States},
year = {Mon Apr 27 00:00:00 EDT 2020},
month = {Mon Apr 27 00:00:00 EDT 2020}
}

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