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Synthesis and Properties of Axially Symmetrical Rigid Visible Light-Harvesting Systems Containing [60]Fullerene and Perylenebisimide
Zhu, San-E1,2; Liu, Kai-Qing1,2; Wang, Xue-Fei3; Xia, An-Dong4,5; Wang, Guan-Wu1,2
Source PublicationJOURNAL OF ORGANIC CHEMISTRY
2016-12-16
DOI10.1021/acs.joc.6b02042
Volume81Issue:24Pages:12223-12231
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Organic
WOS Research AreaChemistry
WOS KeywordORGANIC TRIPLET PHOTOSENSITIZERS ; PHOTOPHYSICAL PROPERTIES ; ELECTRON-TRANSFER ; FULLERENE DYAD ; ENERGY-TRANSFER ; ANNIHILATION UPCONVERSIONS ; PHOTOINDUCED CHARGE ; C-60 DYADS ; PORPHYRIN ; TRI-9-ANTHRYLBORANE
AbstractTwo visible light-harvesting perylenebisimide (PDI)-[60]fullerene (C-60) systems, dyad P1 with one C-60 unit and triad P2 with two C-60 units, have been synthesized. Both systems are axially symmetrical with a rigid biphenyl linker, ensuring a relatively fixed spatial distance between the donor and acceptor, preventing through-space interaction, and enhancing energy transfer. Steady-state and transient spectroscopy, electrochemistry, as well as theoretical calculations have been used to investigate the electrochemical and photophysical properties of the two systems. Steady-state and time-resolved spectroscopy demonstrate that the excited state is featured by an efficient intramolecular energy transfer from PDI to C-60. Then, the high efficient intrinsic intersystem crossing of C-60 eventually leads to the production of the triplet C60. The extensive visible light absorption of PDI in the range of 400650 nm and the final localization of the excited energy at the triplet C-60 make these compounds ideal singlet oxygen inducers. Further investigation shows that the photooxidation capability for both compounds is significantly enhanced with respect to either PDI or C-60 and even better than that of the commonly used triplet photosensitizer methylene blue (MB). The double C60 moieties in P2 display a better result, and the photooxidation efficiency of P2 increases 1.3- and 1.4-fold compared to that of P1 and MB, respectively. The combination of a light-harvesting unit with an intersystem crossing unit results in a highly efficient photooxidation system, which opens up a new way to triplet photosensitizer design.
Language英语
WOS IDWOS:000390180100015
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/151839
Collection中国科学院大连化学物理研究所
Affiliation1.Univ Sci & Technol China, CAS Key Lab Soft Matter Chem, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
2.Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China
3.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing 100190, Peoples R China
5.Chinese Acad Sci, Inst Chem, BNLMS, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhu, San-E,Liu, Kai-Qing,Wang, Xue-Fei,et al. Synthesis and Properties of Axially Symmetrical Rigid Visible Light-Harvesting Systems Containing [60]Fullerene and Perylenebisimide[J]. JOURNAL OF ORGANIC CHEMISTRY,2016,81(24):12223-12231.
APA Zhu, San-E,Liu, Kai-Qing,Wang, Xue-Fei,Xia, An-Dong,&Wang, Guan-Wu.(2016).Synthesis and Properties of Axially Symmetrical Rigid Visible Light-Harvesting Systems Containing [60]Fullerene and Perylenebisimide.JOURNAL OF ORGANIC CHEMISTRY,81(24),12223-12231.
MLA Zhu, San-E,et al."Synthesis and Properties of Axially Symmetrical Rigid Visible Light-Harvesting Systems Containing [60]Fullerene and Perylenebisimide".JOURNAL OF ORGANIC CHEMISTRY 81.24(2016):12223-12231.
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