EPR spectroscopy in catalysis.

EPR spectroscopy in catalysis.
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催化中的 EPR 光谱。

DOI:
10.1007/128_2011_237
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发表时间:
2012
影响因子:
8.6
通讯作者:
D. Murphy
D. Murphy
中科院分区:
化学2区
文献类型:
--
作者:
S. Van Doorslaer;D. Murphy

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现代化学工业在很大程度上依赖均相和多相催化剂。了解这些催化剂的操作模式或反应活性,对于改进开发和提高性能至关重要。因此,各种光谱技术不可避免地被用来表征和询问催化循环的机理细节。在涉及顺磁中心的地方,从过渡金属离子到缺陷和自由基,EPR光谱无疑是首选的技术。在这篇综述中,我们将展示从这项技术中收集到的丰富和广泛的信息,在表征具有催化重要性的均相和非均相体系中,同时说明现代高场和脉冲EPR方法可以提供的优势。
The modern chemical industry relies heavily on homogeneous and heterogeneous catalysts. Understanding the operational mode, or reactivity, of these catalysts is crucial for improved developments and enhanced performance. As a result, various spectroscopic techniques are inevitably used to characterize and interrogate the mechanistic details of the catalytic cycle. Where paramagnetic centres are involved, ranging from transition metal ions to defects and radicals, EPR spectroscopy is without doubt the technique of choice. In this review we will demonstrate the wealth and breadth of information that can be gleaned from this technique, in the characterization of homogenous and heterogeneous systems of catalytic importance, whilst illustrating the advantages that modern high-field and pulsed EPR methodologies can offer.
DOI: 10.1021/ja804339m
发表时间: 2008-11-19
影响因子: 15
作者:
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影响因子: --
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DOI: 10.1002/anie.200703537
发表时间: 2008
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影响因子: --
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