Electron Irradiation Effects on Single‐Layer MoS2 Obtained by Gold‐Assisted Exfoliation
Mechanical exfoliation assisted by gold is applied to obtain good quality large lateral size single‐layer MoS2. The effects of 2.5 MeV electron irradiation are investigated at room temperature on structural and electronic features by Raman and microluminescence spectroscopy. The exciton recombinatio...
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| Veröffentlicht in: | Physica status solidi. A, Applications and materials science Applications and materials science, 2022-11, Vol.219 (21), p.n/a |
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| container_title | Physica status solidi. A, Applications and materials science |
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| creator | Panasci, Salvatore Ethan Alessi, Antonino Buscarino, Gianpiero Cannas, Marco Gelardi, Franco Mario Schilirò, Emanuela Giannazzo, Filippo Agnello, Simonpietro |
| description | Mechanical exfoliation assisted by gold is applied to obtain good quality large lateral size single‐layer MoS2. The effects of 2.5 MeV electron irradiation are investigated at room temperature on structural and electronic features by Raman and microluminescence spectroscopy. The exciton recombination emission in the direct bandgap of single‐layer MoS2 is affected during irradiation starting from the minimum explored dose of 1 kGy. At higher doses, Raman bands show no relevant modifications whereas the exciton emission is quenched, suggesting that irradiation‐induced point defects affect exciton dynamics.
β‐ray irradiation affects the exciton emission of single‐layer MoS2 through point defects induction. |
| doi_str_mv | 10.1002/pssa.202200096 |
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β‐ray irradiation affects the exciton emission of single‐layer MoS2 through point defects induction.</description><subject>Electron irradiation</subject><subject>Excitation spectra</subject><subject>Excitons</subject><subject>Exfoliation</subject><subject>Gold</subject><subject>gold-assisted exfoliation</subject><subject>irradiation effects</subject><subject>Molybdenum disulfide</subject><subject>MoS2</subject><subject>Point defects</subject><subject>Raman spectra</subject><subject>Room temperature</subject><subject>single layers</subject><issn>1862-6300</issn><issn>1862-6319</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNo9UNFKwzAUDaLgnL76XPC58yZNmvZxjLoNJhOqTz6ENEklo7Y16dC--Ql-o19ixmTch3vuuYdz4CB0i2GGAch9772cESAEAPL0DE1wlpI4TXB-fsIAl-jK-x0AZZTjCXotGqMG17XR2jmprRxswEVdB9ZHAZa2fWvM7_fPRo7GRY9dSaJtNUjbGh1VY7TsGh2-c--tHwJVfNVdc7S5Rhe1bLy5-d9T9PJQPC9W8Wa7XC_mm7gnPEljQ3WlldZcK1VVLEukIpIxJlNMVGbCZFhJXnGCU1YboiXPE8A80zkzhtJkiu6Ovr3rPvbGD2LX7V0bIkUIoDkwSnBQ5UfVp23MKHpn36UbBQZxaE8c2hOn9sRTWc5PV_IH9HxojQ</recordid><startdate>202211</startdate><enddate>202211</enddate><creator>Panasci, Salvatore Ethan</creator><creator>Alessi, Antonino</creator><creator>Buscarino, Gianpiero</creator><creator>Cannas, Marco</creator><creator>Gelardi, Franco Mario</creator><creator>Schilirò, Emanuela</creator><creator>Giannazzo, Filippo</creator><creator>Agnello, Simonpietro</creator><general>Wiley Subscription Services, Inc</general><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-0346-8333</orcidid></search><sort><creationdate>202211</creationdate><title>Electron Irradiation Effects on Single‐Layer MoS2 Obtained by Gold‐Assisted Exfoliation</title><author>Panasci, Salvatore Ethan ; Alessi, Antonino ; Buscarino, Gianpiero ; Cannas, Marco ; Gelardi, Franco Mario ; Schilirò, Emanuela ; Giannazzo, Filippo ; Agnello, Simonpietro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p2736-e4dbdcdd7dccbb583ac2a555a612c8e8e881ca7b72165fe2da7930178d95ee443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Electron irradiation</topic><topic>Excitation spectra</topic><topic>Excitons</topic><topic>Exfoliation</topic><topic>Gold</topic><topic>gold-assisted exfoliation</topic><topic>irradiation effects</topic><topic>Molybdenum disulfide</topic><topic>MoS2</topic><topic>Point defects</topic><topic>Raman spectra</topic><topic>Room temperature</topic><topic>single layers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Panasci, Salvatore Ethan</creatorcontrib><creatorcontrib>Alessi, Antonino</creatorcontrib><creatorcontrib>Buscarino, Gianpiero</creatorcontrib><creatorcontrib>Cannas, Marco</creatorcontrib><creatorcontrib>Gelardi, Franco Mario</creatorcontrib><creatorcontrib>Schilirò, Emanuela</creatorcontrib><creatorcontrib>Giannazzo, Filippo</creatorcontrib><creatorcontrib>Agnello, Simonpietro</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica status solidi. A, Applications and materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Panasci, Salvatore Ethan</au><au>Alessi, Antonino</au><au>Buscarino, Gianpiero</au><au>Cannas, Marco</au><au>Gelardi, Franco Mario</au><au>Schilirò, Emanuela</au><au>Giannazzo, Filippo</au><au>Agnello, Simonpietro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electron Irradiation Effects on Single‐Layer MoS2 Obtained by Gold‐Assisted Exfoliation</atitle><jtitle>Physica status solidi. A, Applications and materials science</jtitle><date>2022-11</date><risdate>2022</risdate><volume>219</volume><issue>21</issue><epage>n/a</epage><issn>1862-6300</issn><eissn>1862-6319</eissn><abstract>Mechanical exfoliation assisted by gold is applied to obtain good quality large lateral size single‐layer MoS2. The effects of 2.5 MeV electron irradiation are investigated at room temperature on structural and electronic features by Raman and microluminescence spectroscopy. The exciton recombination emission in the direct bandgap of single‐layer MoS2 is affected during irradiation starting from the minimum explored dose of 1 kGy. At higher doses, Raman bands show no relevant modifications whereas the exciton emission is quenched, suggesting that irradiation‐induced point defects affect exciton dynamics.
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Electron irradiation Excitation spectra Excitons Exfoliation Gold gold-assisted exfoliation irradiation effects Molybdenum disulfide MoS2 Point defects Raman spectra Room temperature single layers |
| title | Electron Irradiation Effects on Single‐Layer MoS2 Obtained by Gold‐Assisted Exfoliation |
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