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231223s2008 xx |||||o 00| ||eng c |
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|a 10.1107/S0909049508020013
|2 doi
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|a pubmed25n0606.xml
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|a DE-627
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|e rakwb
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|a eng
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1 |
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|a Lee, Hsin Han
|e verfasserin
|4 aut
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|a Bond cutting in K-doped tris(8-hydroxyquinoline) aluminium
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|c 2008
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 09.10.2008
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|a Date Revised 27.08.2008
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A series of Al 2p, K 2p, O 1s and N 1s core-level spectra have been used to characterize the interaction between potassium (K) and tris(8-hydroxyquinoline) aluminium (Alq(3)) molecules in the K-doped Alq(3) layer. All core-level spectra were tuned to be very surface sensitive in selecting various photon energies provided by the wide-range beamline at the National Synchrotron Radiation Research Center, Taiwan. A critical K concentration (x = 2.4) exists in the K-doped Alq(3) layer, below which the K-doped atoms generate a strained environment near the O and N atoms within 8-quinolinoline ligands. This creates new O 1s and N 1s components on the lower binding-energy side. Above the critical K coverage, the K-doped atoms attach the O atoms in the Al-O-C bonds next to the phenoxide ring and replace Al-O-C bonds by forming K-O-C bonds. An Alq(3) molecule is disassembled into Alq(2) and Kq by bond cutting and bond formation. The Alq(2) molecule can be further dissociated into Alq, or even Al, through subsequent formations of Kq
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Hwang, Jennchang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pi, Tun Wen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 15(2008), Pt 5 vom: 21. Sept., Seite 519-24
|w (DE-627)NLM09824129X
|x 0909-0495
|7 nnns
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| 773 |
1 |
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|g volume:15
|g year:2008
|g number:Pt 5
|g day:21
|g month:09
|g pages:519-24
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|u http://dx.doi.org/10.1107/S0909049508020013
|3 Volltext
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|d 15
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|h 519-24
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