Influence of electronic effects on one- and two-photon absorption in porphyrin isomers
Influence of electronic effects on one- and two-photon absorption in porphyrin isomers
复制标题
电子效应对卟啉异构体单光子和双光子吸收的影响
DOI:
10.1039/c3ra40790j
复制
发表时间:
2013
期刊:
影响因子:
3.9
通讯作者:
Bergendahl L
中科院分区:
文献类型:
--
作者:
Bergendahl L
The one- and two-photon absorption characteristics of the Porphyrin isomers Porphycene, Corrphycene, Hemiporphycene, N-confused Porphyrin, cis- and trans-Doubly confused Porphyrins, the newly synthesised Neo-confused Porphyrin, and a set of core-substituted Porphycenes are systematically investigated using linear and quadratic density functional response theory. It is shown that, despite the one-photon spectra displaying characteristic Soret- and Q-regions, the classic Gouterman four orbital theory has limitations for the analysis of the absorptions in this series of compounds. Generated spectra for the two-photon absorptions are shown to be very sensitive to the isoelectronic changes, contrary to the one-photon spectra. This accesses a potentially powerful tool by which the two-photon absorption can be fine-tuned without large structural changes to the nature of the macrocycle.
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DOI:
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发表时间:
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期刊:
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