Photo-oxidation by laser pulse induced desorption of phthalocyanines
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- 作者：M. Holza ; J. Wichmanna ; R. Mitri膰b ; L. Wö ; stea ; A. Lindingera ; lindin@physik.fu-berlin.de" class="auth_mail
- 关键词：MALDI ; LDI ; Phthalocyanine
- 刊名：International Journal of Mass Spectrometry
- 出版年：15 May 2014
- 年：2014
- 卷：365-366
- 期：Complete
- 页码：89-92
- 全文大小：1020 K
文摘
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Experimental proof of the photo-oxidation of iron(II)-phthalocyanine in MALDI and LDI.
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Calculations yield geometric minimal energy structures and parameters of 渭-oxo-PcFe-dimers.
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Higher abundance of 渭-oxo-bridged PcFe-dimers in MALDI than LDI due to energy absorption by matrix.
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No proton-transfer in the MALDI process but assumed electron release of the delocalized 蟺-system.
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Calculated proton affinities of PcFe.