Electronic properties of Mn-phthalocyanine–C{sub 60} bulk heterojunctions: Combining photoemission and electron energy-loss spectroscopy
The electronic properties of co-evaporated mixtures (blends) of manganese phthalocyanine and the fullerene C{sub 60} (MnPc:C{sub 60}) have been studied as a function of the concentration of the two constituents using two supplementary electron spectroscopic methods, photoemission spectroscopy (PES)...
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| Veröffentlicht in: | Journal of applied physics 2015-11, Vol.118 (18) |
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| container_title | Journal of applied physics |
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| creator | Roth, Friedrich Herzig, Melanie Knupfer, Martin Lupulescu, Cosmin Darlatt, Erik Gottwald, Alexander Eberhardt, Wolfgang Institute of Optics and Atomic Physics, TU Berlin, Straße des 17. Juni 135, D-10623 Berlin |
| description | The electronic properties of co-evaporated mixtures (blends) of manganese phthalocyanine and the fullerene C{sub 60} (MnPc:C{sub 60}) have been studied as a function of the concentration of the two constituents using two supplementary electron spectroscopic methods, photoemission spectroscopy (PES) and electron energy-loss spectroscopy (EELS) in transmission. Our PES measurements provide a detailed picture of the electronic structure measured with different excitation energies as well as different mixing ratios between MnPc and C{sub 60}. Besides a relative energy shift, the occupied electronic states of the two materials remain essentially unchanged. The observed energy level alignment is different compared to that of the related CuPc:C{sub 60} bulk heterojunction. Moreover, the results from our EELS investigations show that, despite the rather small interface interaction, the MnPc related electronic excitation spectrum changes significantly by admixing C{sub 60} to MnPc thin films. |
| doi_str_mv | 10.1063/1.4935623 |
| format | Article |
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Juni 135, D-10623 Berlin</creator><creatorcontrib>Roth, Friedrich ; Herzig, Melanie ; Knupfer, Martin ; Lupulescu, Cosmin ; Darlatt, Erik ; Gottwald, Alexander ; Eberhardt, Wolfgang ; Institute of Optics and Atomic Physics, TU Berlin, Straße des 17. Juni 135, D-10623 Berlin</creatorcontrib><description>The electronic properties of co-evaporated mixtures (blends) of manganese phthalocyanine and the fullerene C{sub 60} (MnPc:C{sub 60}) have been studied as a function of the concentration of the two constituents using two supplementary electron spectroscopic methods, photoemission spectroscopy (PES) and electron energy-loss spectroscopy (EELS) in transmission. Our PES measurements provide a detailed picture of the electronic structure measured with different excitation energies as well as different mixing ratios between MnPc and C{sub 60}. Besides a relative energy shift, the occupied electronic states of the two materials remain essentially unchanged. The observed energy level alignment is different compared to that of the related CuPc:C{sub 60} bulk heterojunction. Moreover, the results from our EELS investigations show that, despite the rather small interface interaction, the MnPc related electronic excitation spectrum changes significantly by admixing C{sub 60} to MnPc thin films.</description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.4935623</identifier><language>eng</language><publisher>United States</publisher><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; COMPARATIVE EVALUATIONS ; ELECTRONS ; ENERGY-LOSS SPECTROSCOPY ; EXCITATION ; FULLERENES ; HETEROJUNCTIONS ; INTERFACES ; PHOTOELECTRON SPECTROSCOPY ; PHOTOEMISSION ; PHTHALOCYANINES ; THIN FILMS</subject><ispartof>Journal of applied physics, 2015-11, Vol.118 (18)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27903,27904</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/22492928$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Roth, Friedrich</creatorcontrib><creatorcontrib>Herzig, Melanie</creatorcontrib><creatorcontrib>Knupfer, Martin</creatorcontrib><creatorcontrib>Lupulescu, Cosmin</creatorcontrib><creatorcontrib>Darlatt, Erik</creatorcontrib><creatorcontrib>Gottwald, Alexander</creatorcontrib><creatorcontrib>Eberhardt, Wolfgang</creatorcontrib><creatorcontrib>Institute of Optics and Atomic Physics, TU Berlin, Straße des 17. Juni 135, D-10623 Berlin</creatorcontrib><title>Electronic properties of Mn-phthalocyanine–C{sub 60} bulk heterojunctions: Combining photoemission and electron energy-loss spectroscopy</title><title>Journal of applied physics</title><description>The electronic properties of co-evaporated mixtures (blends) of manganese phthalocyanine and the fullerene C{sub 60} (MnPc:C{sub 60}) have been studied as a function of the concentration of the two constituents using two supplementary electron spectroscopic methods, photoemission spectroscopy (PES) and electron energy-loss spectroscopy (EELS) in transmission. Our PES measurements provide a detailed picture of the electronic structure measured with different excitation energies as well as different mixing ratios between MnPc and C{sub 60}. Besides a relative energy shift, the occupied electronic states of the two materials remain essentially unchanged. The observed energy level alignment is different compared to that of the related CuPc:C{sub 60} bulk heterojunction. Moreover, the results from our EELS investigations show that, despite the rather small interface interaction, the MnPc related electronic excitation spectrum changes significantly by admixing C{sub 60} to MnPc thin films.</description><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>COMPARATIVE EVALUATIONS</subject><subject>ELECTRONS</subject><subject>ENERGY-LOSS SPECTROSCOPY</subject><subject>EXCITATION</subject><subject>FULLERENES</subject><subject>HETEROJUNCTIONS</subject><subject>INTERFACES</subject><subject>PHOTOELECTRON SPECTROSCOPY</subject><subject>PHOTOEMISSION</subject><subject>PHTHALOCYANINES</subject><subject>THIN FILMS</subject><issn>0021-8979</issn><issn>1089-7550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqNjb1OwzAUhS0EEuFn4A2uxJxiO00as0ZFLN3Yq8TcNi6pr-XrDBFCYmblDXkSItQHYDrSd76jI8Sdkgslq-JBLZamKCtdnIlMydrkq7KU5yKTUqu8NitzKa6YD1IqVRcmE1_rAW2K5J2FEClgTA4ZaAcbn4c-9e1Admq98_jz-d2889hBJT-gG4c36DFhpMPobXLk-REaOnZudvcQekqER8c8N9D6V8DTEaDHuJ_ygZiBwx9kS2G6ERe7dmC8PeW1uH9avzTPOXFyW7Yuoe0teT9PtlovjTa6Lv5n_QKBYlx3</recordid><startdate>20151114</startdate><enddate>20151114</enddate><creator>Roth, Friedrich</creator><creator>Herzig, Melanie</creator><creator>Knupfer, Martin</creator><creator>Lupulescu, Cosmin</creator><creator>Darlatt, Erik</creator><creator>Gottwald, Alexander</creator><creator>Eberhardt, Wolfgang</creator><creator>Institute of Optics and Atomic Physics, TU Berlin, Straße des 17. Juni 135, D-10623 Berlin</creator><scope>OTOTI</scope></search><sort><creationdate>20151114</creationdate><title>Electronic properties of Mn-phthalocyanine–C{sub 60} bulk heterojunctions: Combining photoemission and electron energy-loss spectroscopy</title><author>Roth, Friedrich ; Herzig, Melanie ; Knupfer, Martin ; Lupulescu, Cosmin ; Darlatt, Erik ; Gottwald, Alexander ; Eberhardt, Wolfgang ; Institute of Optics and Atomic Physics, TU Berlin, Straße des 17. 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Juni 135, D-10623 Berlin</creatorcontrib><collection>OSTI.GOV</collection><jtitle>Journal of applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Roth, Friedrich</au><au>Herzig, Melanie</au><au>Knupfer, Martin</au><au>Lupulescu, Cosmin</au><au>Darlatt, Erik</au><au>Gottwald, Alexander</au><au>Eberhardt, Wolfgang</au><au>Institute of Optics and Atomic Physics, TU Berlin, Straße des 17. Juni 135, D-10623 Berlin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electronic properties of Mn-phthalocyanine–C{sub 60} bulk heterojunctions: Combining photoemission and electron energy-loss spectroscopy</atitle><jtitle>Journal of applied physics</jtitle><date>2015-11-14</date><risdate>2015</risdate><volume>118</volume><issue>18</issue><issn>0021-8979</issn><eissn>1089-7550</eissn><abstract>The electronic properties of co-evaporated mixtures (blends) of manganese phthalocyanine and the fullerene C{sub 60} (MnPc:C{sub 60}) have been studied as a function of the concentration of the two constituents using two supplementary electron spectroscopic methods, photoemission spectroscopy (PES) and electron energy-loss spectroscopy (EELS) in transmission. Our PES measurements provide a detailed picture of the electronic structure measured with different excitation energies as well as different mixing ratios between MnPc and C{sub 60}. Besides a relative energy shift, the occupied electronic states of the two materials remain essentially unchanged. The observed energy level alignment is different compared to that of the related CuPc:C{sub 60} bulk heterojunction. Moreover, the results from our EELS investigations show that, despite the rather small interface interaction, the MnPc related electronic excitation spectrum changes significantly by admixing C{sub 60} to MnPc thin films.</abstract><cop>United States</cop><doi>10.1063/1.4935623</doi></addata></record> |
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| subjects | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPARATIVE EVALUATIONS ELECTRONS ENERGY-LOSS SPECTROSCOPY EXCITATION FULLERENES HETEROJUNCTIONS INTERFACES PHOTOELECTRON SPECTROSCOPY PHOTOEMISSION PHTHALOCYANINES THIN FILMS |
| title | Electronic properties of Mn-phthalocyanine–C{sub 60} bulk heterojunctions: Combining photoemission and electron energy-loss spectroscopy |
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