Intermolecular electron transfer from intramolecular excitation and coherent acoustic phonon generation in a hydrogen-bonded charge-transfer solid
Organic materials that produce coherent lattice phonon excitations in response to external stimuli may provide next generation solutions in a wide range of applications. However, for these materials to lead to functional devices in technology, a full understanding of the possible driving forces of c...
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Veröffentlicht in: | The Journal of chemical physics 2016-03, Vol.144 (10), p.104701-104701 |
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creator | Rury, Aaron S. Sorenson, Shayne Dawlaty, Jahan M. |
description | Organic materials that produce coherent lattice phonon excitations in response to external stimuli may provide next generation solutions in a wide range of applications. However, for these materials to lead to functional devices in technology, a full understanding of the possible driving forces of coherent lattice phonon generation must be attained. To facilitate the achievement of this goal, we have undertaken an optical spectroscopic study of an organic charge-transfer material formed from the ubiquitous reduction-oxidation pair hydroquinone and p-benzoquinone. Upon pumping this material, known as quinhydrone, on its intermolecular charge transfer resonance as well as an intramolecular resonance of p-benzoquinone, we find sub-cm−1 oscillations whose dispersion with probe energy resembles that of a coherent acoustic phonon that we argue is coherently excited following changes in the electron density of quinhydrone. Using the dynamical information from these ultrafast pump-probe measurements, we find that the fastest process we can resolve does not change whether we pump quinhydrone at either energy. Electron-phonon coupling from both ultrafast coherent vibrational and steady-state resonance Raman spectroscopies allows us to determine that intramolecular electronic excitation of p-benzoquinone also drives the electron transfer process in quinhydrone. These results demonstrate the wide range of electronic excitations of the parent of molecules found in many functional organic materials that can drive coherent lattice phonon excitations useful for applications in electronics, photonics, and information technology. |
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However, for these materials to lead to functional devices in technology, a full understanding of the possible driving forces of coherent lattice phonon generation must be attained. To facilitate the achievement of this goal, we have undertaken an optical spectroscopic study of an organic charge-transfer material formed from the ubiquitous reduction-oxidation pair hydroquinone and p-benzoquinone. Upon pumping this material, known as quinhydrone, on its intermolecular charge transfer resonance as well as an intramolecular resonance of p-benzoquinone, we find sub-cm−1 oscillations whose dispersion with probe energy resembles that of a coherent acoustic phonon that we argue is coherently excited following changes in the electron density of quinhydrone. Using the dynamical information from these ultrafast pump-probe measurements, we find that the fastest process we can resolve does not change whether we pump quinhydrone at either energy. Electron-phonon coupling from both ultrafast coherent vibrational and steady-state resonance Raman spectroscopies allows us to determine that intramolecular electronic excitation of p-benzoquinone also drives the electron transfer process in quinhydrone. These results demonstrate the wide range of electronic excitations of the parent of molecules found in many functional organic materials that can drive coherent lattice phonon excitations useful for applications in electronics, photonics, and information technology.</description><identifier>ISSN: 0021-9606</identifier><identifier>EISSN: 1089-7690</identifier><identifier>DOI: 10.1063/1.4943047</identifier><identifier>PMID: 26979698</identifier><identifier>CODEN: JCPSA6</identifier><language>eng</language><publisher>United States: American Institute of Physics</publisher><subject>ACOUSTICS ; BENZOQUINONES ; Charge materials ; Charge transfer ; Coherence ; Coupling (molecular) ; ELECTRON DENSITY ; ELECTRON TRANSFER ; ELECTRON-PHONON COUPLING ; EXCITATION ; EXPERIMENTAL DATA ; Hydrogen bonding ; Hydrogen storage ; Hydroquinone ; Information technology ; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY ; Optical pumping ; Organic materials ; ORGANIC MATTER ; Oxidation ; PHONONS ; Photonics ; Quinones ; RAMAN SPECTROSCOPY ; RESONANCE</subject><ispartof>The Journal of chemical physics, 2016-03, Vol.144 (10), p.104701-104701</ispartof><rights>AIP Publishing LLC</rights><rights>2016 AIP Publishing LLC.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c446t-5e4d924f0810fd4b4f5e4b2baa79f868edacd0563ee76e1f6a5d5c547405a7323</citedby><cites>FETCH-LOGICAL-c446t-5e4d924f0810fd4b4f5e4b2baa79f868edacd0563ee76e1f6a5d5c547405a7323</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://pubs.aip.org/jcp/article-lookup/doi/10.1063/1.4943047$$EHTML$$P50$$Gscitation$$H</linktohtml><link.rule.ids>230,314,780,784,794,885,4512,27924,27925,76384</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26979698$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/22660786$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Rury, Aaron S.</creatorcontrib><creatorcontrib>Sorenson, Shayne</creatorcontrib><creatorcontrib>Dawlaty, Jahan M.</creatorcontrib><title>Intermolecular electron transfer from intramolecular excitation and coherent acoustic phonon generation in a hydrogen-bonded charge-transfer solid</title><title>The Journal of chemical physics</title><addtitle>J Chem Phys</addtitle><description>Organic materials that produce coherent lattice phonon excitations in response to external stimuli may provide next generation solutions in a wide range of applications. However, for these materials to lead to functional devices in technology, a full understanding of the possible driving forces of coherent lattice phonon generation must be attained. To facilitate the achievement of this goal, we have undertaken an optical spectroscopic study of an organic charge-transfer material formed from the ubiquitous reduction-oxidation pair hydroquinone and p-benzoquinone. Upon pumping this material, known as quinhydrone, on its intermolecular charge transfer resonance as well as an intramolecular resonance of p-benzoquinone, we find sub-cm−1 oscillations whose dispersion with probe energy resembles that of a coherent acoustic phonon that we argue is coherently excited following changes in the electron density of quinhydrone. Using the dynamical information from these ultrafast pump-probe measurements, we find that the fastest process we can resolve does not change whether we pump quinhydrone at either energy. Electron-phonon coupling from both ultrafast coherent vibrational and steady-state resonance Raman spectroscopies allows us to determine that intramolecular electronic excitation of p-benzoquinone also drives the electron transfer process in quinhydrone. These results demonstrate the wide range of electronic excitations of the parent of molecules found in many functional organic materials that can drive coherent lattice phonon excitations useful for applications in electronics, photonics, and information technology.</description><subject>ACOUSTICS</subject><subject>BENZOQUINONES</subject><subject>Charge materials</subject><subject>Charge transfer</subject><subject>Coherence</subject><subject>Coupling (molecular)</subject><subject>ELECTRON DENSITY</subject><subject>ELECTRON TRANSFER</subject><subject>ELECTRON-PHONON COUPLING</subject><subject>EXCITATION</subject><subject>EXPERIMENTAL DATA</subject><subject>Hydrogen bonding</subject><subject>Hydrogen storage</subject><subject>Hydroquinone</subject><subject>Information technology</subject><subject>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</subject><subject>Optical pumping</subject><subject>Organic materials</subject><subject>ORGANIC MATTER</subject><subject>Oxidation</subject><subject>PHONONS</subject><subject>Photonics</subject><subject>Quinones</subject><subject>RAMAN SPECTROSCOPY</subject><subject>RESONANCE</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90V9r3SAUAHAZHetdt4d9gRLoS1tIp8ZofBxlXQuFvWzPYvTYpCR6q6asX6OfeI7c3g4Ge_Lfz3M8HoQ-EXxBMG8-kwsmWYOZeIM2BHeyFlziA7TBmJJacswP0fuU7jHGRFD2Dh1SLoXkstug5xufIc5hArNMOlZQJjkGX-WofXIQKxfDXI2-rP9Sv8yYdR6L095WJgwQwedKm7CkPJpqOwRfDu_AQ1zdWGg1PNkYymbdB2-hXBx0vIN6nyuFabQf0FunpwQfd-MR-nn19cfldX37_dvN5Zfb2jDGc90Cs5IyhzuCnWU9c2Wnp73WQrqOd2C1sbjlDYDgQBzXrW1NywTDrRYNbY7QyRo3lCerVCoCM5jgffkBRSnnWHS8qNNVbWN4WCBlNY_JwDRpD6VYRYRghLeCideAe3ofluhLDYoSSjpOZdsUdbYqE0NKEZzaxnHW8UkRrP60UxG1a2exx7uISz-D3cuX_hVwvoL00pC9eQzxNZLaWvc__G_q3wxYuRs</recordid><startdate>20160314</startdate><enddate>20160314</enddate><creator>Rury, Aaron S.</creator><creator>Sorenson, Shayne</creator><creator>Dawlaty, Jahan M.</creator><general>American Institute of Physics</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7X8</scope><scope>OTOTI</scope></search><sort><creationdate>20160314</creationdate><title>Intermolecular electron transfer from intramolecular excitation and coherent acoustic phonon generation in a hydrogen-bonded charge-transfer solid</title><author>Rury, Aaron S. ; Sorenson, Shayne ; Dawlaty, Jahan M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c446t-5e4d924f0810fd4b4f5e4b2baa79f868edacd0563ee76e1f6a5d5c547405a7323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>ACOUSTICS</topic><topic>BENZOQUINONES</topic><topic>Charge materials</topic><topic>Charge transfer</topic><topic>Coherence</topic><topic>Coupling (molecular)</topic><topic>ELECTRON DENSITY</topic><topic>ELECTRON TRANSFER</topic><topic>ELECTRON-PHONON COUPLING</topic><topic>EXCITATION</topic><topic>EXPERIMENTAL DATA</topic><topic>Hydrogen bonding</topic><topic>Hydrogen storage</topic><topic>Hydroquinone</topic><topic>Information technology</topic><topic>INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY</topic><topic>Optical pumping</topic><topic>Organic materials</topic><topic>ORGANIC MATTER</topic><topic>Oxidation</topic><topic>PHONONS</topic><topic>Photonics</topic><topic>Quinones</topic><topic>RAMAN SPECTROSCOPY</topic><topic>RESONANCE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rury, Aaron S.</creatorcontrib><creatorcontrib>Sorenson, Shayne</creatorcontrib><creatorcontrib>Dawlaty, Jahan M.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><collection>OSTI.GOV</collection><jtitle>The Journal of chemical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rury, Aaron S.</au><au>Sorenson, Shayne</au><au>Dawlaty, Jahan M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intermolecular electron transfer from intramolecular excitation and coherent acoustic phonon generation in a hydrogen-bonded charge-transfer solid</atitle><jtitle>The Journal of chemical physics</jtitle><addtitle>J Chem Phys</addtitle><date>2016-03-14</date><risdate>2016</risdate><volume>144</volume><issue>10</issue><spage>104701</spage><epage>104701</epage><pages>104701-104701</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><coden>JCPSA6</coden><abstract>Organic materials that produce coherent lattice phonon excitations in response to external stimuli may provide next generation solutions in a wide range of applications. However, for these materials to lead to functional devices in technology, a full understanding of the possible driving forces of coherent lattice phonon generation must be attained. To facilitate the achievement of this goal, we have undertaken an optical spectroscopic study of an organic charge-transfer material formed from the ubiquitous reduction-oxidation pair hydroquinone and p-benzoquinone. Upon pumping this material, known as quinhydrone, on its intermolecular charge transfer resonance as well as an intramolecular resonance of p-benzoquinone, we find sub-cm−1 oscillations whose dispersion with probe energy resembles that of a coherent acoustic phonon that we argue is coherently excited following changes in the electron density of quinhydrone. Using the dynamical information from these ultrafast pump-probe measurements, we find that the fastest process we can resolve does not change whether we pump quinhydrone at either energy. Electron-phonon coupling from both ultrafast coherent vibrational and steady-state resonance Raman spectroscopies allows us to determine that intramolecular electronic excitation of p-benzoquinone also drives the electron transfer process in quinhydrone. These results demonstrate the wide range of electronic excitations of the parent of molecules found in many functional organic materials that can drive coherent lattice phonon excitations useful for applications in electronics, photonics, and information technology.</abstract><cop>United States</cop><pub>American Institute of Physics</pub><pmid>26979698</pmid><doi>10.1063/1.4943047</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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subjects | ACOUSTICS BENZOQUINONES Charge materials Charge transfer Coherence Coupling (molecular) ELECTRON DENSITY ELECTRON TRANSFER ELECTRON-PHONON COUPLING EXCITATION EXPERIMENTAL DATA Hydrogen bonding Hydrogen storage Hydroquinone Information technology INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY Optical pumping Organic materials ORGANIC MATTER Oxidation PHONONS Photonics Quinones RAMAN SPECTROSCOPY RESONANCE |
title | Intermolecular electron transfer from intramolecular excitation and coherent acoustic phonon generation in a hydrogen-bonded charge-transfer solid |
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