کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1304516 | 974830 | 2010 | 4 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Photoinduced electron transfer in panchromatic zinc phthalocyanine–azobenzene dyad Photoinduced electron transfer in panchromatic zinc phthalocyanine–azobenzene dyad](/preview/png/1304516.png)
A new unsymmetrical azobenzene–phthalocyanine dyad was designed and synthesized. Besides impressive panchromatic absorptivity both in solution and adsorbed on solid-state anatase TiO2 substrate, efficient photoinduced electron transfer from azobenzene π* orbital to phthalocyanine S1 orbital was elucidated for the first time by fluorescence spectroscopy and cyclic voltammetry. Such an interesting phenomenon as a dominant intra-molecular electronic communication process is attributed to the inefficiency of local deactivation pathway through orbital overlap forbidden π* → n transition. This may imply efficient collection of panchromatic photoelectrons by delicate molecular design and is expected to boost fields related to solar energy utilization.
A new unsymmetrical azobenzene–phthalocyanine dyad was designed and synthesized. Efficient uni-directional transfer of photoelectron from azobenzene π* orbital to phthalocyanine S1 orbital was unexpectedly recorded.Figure optionsDownload as PowerPoint slide
Journal: Inorganic Chemistry Communications - Volume 13, Issue 1, January 2010, Pages 187–190