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Ultrafast photoinduced charge transfer character in ofloxacin singlet decay
Zhou, Miaomiao; Zhang, Song1; Wang, Lian; Zhang, Bing1
2018-10-16
Source PublicationCHEMICAL PHYSICS LETTERS
ISSN0009-2614
Volume710Pages:1-5
AbstractThe mechanism of intramolecular charge transfer (CT) and the following radiationless dynamics of ofloxacin pharmaceutical product were investigated using femtosecond absorption spectroscopy combined with quantum chemical calculations. The CT and the intersystem crossing (ISC) processes have been established to be the major relaxation pathways responsible for the ultrafast nonradiation of the excited S-1 state. The CT occurs within a time constant of similar to 1.4 ps. The following ISC is determined to be similar to 158 ps and triplet yield can be measured to keep similar to 0.33. Simultaneous, the quantum yields of CT and triplet-triplet state absorption are contributed to be 0.29 and 0.38, respectively.
KeywordUltrafast laser spectroscopy Photoinduced charge transfer Radiationless dynamics pharmaceutical products
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.1016/j.cplett.2018.08.048
WOS KeywordPHOTOPHYSICAL PROPERTIES ; PHOTOCHEMICAL PROPERTIES ; AQUEOUS-SOLUTION ; DNA-DAMAGE ; FLUOROQUINOLONES ; PHOTOTOXICITY ; LEVOFLOXACIN ; ENVIRONMENTS ; FLUORESCENCE ; RUFLOXACIN
Language英语
Funding ProjectNational Natural Science Foundation of China[11674355] ; National Natural Science Foundation of China[21573279] ; National Natural Science Foundation of China[21327804] ; National Natural Science Foundation of China[21603049]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000445778000001
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.wipm.ac.cn/handle/112942/13123
Collection中国科学院武汉物理与数学研究所
Corresponding AuthorZhang, Song; Zhang, Bing
Affiliation1.Chinese Acad Sci, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan Inst Phys & Math, Wuhan 430071, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Miaomiao,Zhang, Song,Wang, Lian,et al. Ultrafast photoinduced charge transfer character in ofloxacin singlet decay[J]. CHEMICAL PHYSICS LETTERS,2018,710:1-5.
APA Zhou, Miaomiao,Zhang, Song,Wang, Lian,&Zhang, Bing.(2018).Ultrafast photoinduced charge transfer character in ofloxacin singlet decay.CHEMICAL PHYSICS LETTERS,710,1-5.
MLA Zhou, Miaomiao,et al."Ultrafast photoinduced charge transfer character in ofloxacin singlet decay".CHEMICAL PHYSICS LETTERS 710(2018):1-5.
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