Charge Transfer from Organic Molecules to Molybdenum Disulfide: Influence of the Fluorination of Iron Phthalocyanine
Layered transition metal dichalcogenides (TMDCs), such as molybdenum disulfide (MoS2), are currently in the focus of interest due to their novel electronic properties. The adsorption of molecules is a promising way to tune the electronic structure of TMDCs. We study interface properties between MoS2...
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| Veröffentlicht in: | Journal of physical chemistry. C 2020-08, Vol.124 (31), p.16990-16999 |
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| creator | Greulich, Katharina Belser, Axel Bölke, Sven Grüninger, Peter Karstens, Reimer Sättele, Marie S Ovsyannikov, Ruslan Giangrisostomi, Erika Basova, Tamara V Klyamer, Darya Chassé, Thomas Peisert, Heiko |
| description | Layered transition metal dichalcogenides (TMDCs), such as molybdenum disulfide (MoS2), are currently in the focus of interest due to their novel electronic properties. The adsorption of molecules is a promising way to tune the electronic structure of TMDCs. We study interface properties between MoS2 and differently fluorinated iron phthalocyanines (FePcF x , x = 0, 4, 16) using X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), angle-resolved photoelectron spectroscopy (ARPES), and X-ray absorption spectroscopy (XAS). A key parameter for the charge transfer is the ionization potential of FePcF x . A distinct electron transfer from a molecule to a substrate is observed for FePc and FePcF4. From energy-momentum ARPES maps, we suppose that the substrate and FePc-related states hybridize at the interface. This study demonstrates that a controlled tuning of the electronic structure of MoS2 by electron donors is possible, driven by the ionization potential difference between the substrate and the adsorbate. |
| doi_str_mv | 10.1021/acs.jpcc.0c03862 |
| format | Article |
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The adsorption of molecules is a promising way to tune the electronic structure of TMDCs. We study interface properties between MoS2 and differently fluorinated iron phthalocyanines (FePcF x , x = 0, 4, 16) using X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), angle-resolved photoelectron spectroscopy (ARPES), and X-ray absorption spectroscopy (XAS). A key parameter for the charge transfer is the ionization potential of FePcF x . A distinct electron transfer from a molecule to a substrate is observed for FePc and FePcF4. From energy-momentum ARPES maps, we suppose that the substrate and FePc-related states hybridize at the interface. 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C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Greulich, Katharina</au><au>Belser, Axel</au><au>Bölke, Sven</au><au>Grüninger, Peter</au><au>Karstens, Reimer</au><au>Sättele, Marie S</au><au>Ovsyannikov, Ruslan</au><au>Giangrisostomi, Erika</au><au>Basova, Tamara V</au><au>Klyamer, Darya</au><au>Chassé, Thomas</au><au>Peisert, Heiko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Charge Transfer from Organic Molecules to Molybdenum Disulfide: Influence of the Fluorination of Iron Phthalocyanine</atitle><jtitle>Journal of physical chemistry. C</jtitle><addtitle>J. Phys. Chem. C</addtitle><date>2020-08-06</date><risdate>2020</risdate><volume>124</volume><issue>31</issue><spage>16990</spage><epage>16999</epage><pages>16990-16999</pages><issn>1932-7447</issn><eissn>1932-7455</eissn><abstract>Layered transition metal dichalcogenides (TMDCs), such as molybdenum disulfide (MoS2), are currently in the focus of interest due to their novel electronic properties. The adsorption of molecules is a promising way to tune the electronic structure of TMDCs. We study interface properties between MoS2 and differently fluorinated iron phthalocyanines (FePcF x , x = 0, 4, 16) using X-ray photoelectron spectroscopy (XPS), ultraviolet photoelectron spectroscopy (UPS), angle-resolved photoelectron spectroscopy (ARPES), and X-ray absorption spectroscopy (XAS). A key parameter for the charge transfer is the ionization potential of FePcF x . A distinct electron transfer from a molecule to a substrate is observed for FePc and FePcF4. From energy-momentum ARPES maps, we suppose that the substrate and FePc-related states hybridize at the interface. This study demonstrates that a controlled tuning of the electronic structure of MoS2 by electron donors is possible, driven by the ionization potential difference between the substrate and the adsorbate.</abstract><pub>American Chemical Society</pub><doi>10.1021/acs.jpcc.0c03862</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-6442-8944</orcidid><orcidid>https://orcid.org/0000-0002-9742-5800</orcidid><orcidid>https://orcid.org/0000-0003-4001-8371</orcidid></addata></record> |
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| subjects | C: Surfaces, Interfaces, Porous Materials, and Catalysis |
| title | Charge Transfer from Organic Molecules to Molybdenum Disulfide: Influence of the Fluorination of Iron Phthalocyanine |
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