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Photoacoustic and fluorescence Spectroscopy of metallomesogens containing lanthanide ions
Yang, YT; Li, JJ; Liu, XJ; Zhang, SY; Liu, J; Liu J(刘景)
2008
Source PublicationCHINESE JOURNAL OF CHEMICAL PHYSICS
Volume21Issue:2Pages:#REF!
Corresponding AuthorYang, YT (reprint author), Nanjing Univ, Inst Acoust, Minist Educ, Key Lab Modern Acoust, Nanjing 210093, Peoples R China.
SubtypeArticle
AbstractMetallomesogens Ln(bta)(3)L(2) (Ln(3+): La(3+), Eu(3+), and Ho(3+); bta: benzoyltrifluoroacetonate; L: Schiff base) were prepared. Photoacoustic (PA) spectroscopy was used to study physicochemical properties of the liquid crystalline metal complexes. In the region of ligand absorption, PA intensity increases for Eu(bta)(3)L(2), La(bta)(3)L(2), and Ho(bta)(3)L(2), in that order. It is found that the PA intensity of the ligand bears a relation to the intramolecular energy transfer process. For the first time, phase transitions of Eu(bta)(3)L(2) from glass state to smectic A (SmA) phase and SmA phase to isotropic liquid are monitored by PA and fluorescence (FL) spectroscopy from two aspects: nonradiative and radiative transitions. The results show that PA technique may serve as a new tool for investigating the spectral properties and phase transitions of liquid crystals containing metal ions.
Keywordphotoacoustic spectroscopy lanthanide complex liquid crystal relaxation process phase transition
Subject AreaPhysics
DOI10.1088/1674-0068/21/02/99-104
Indexed BySCI ; ADS
WOS SubjectPhysics, Atomic, Molecular & Chemical
WOS IDWOS:000255807000002
ADS Bibcode2008ChJCP..21...99Y
ADS URLhttps://ui.adsabs.harvard.edu/abs/2008ChJCP..21...99Y
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2008ChJCP..21...99Y/citations
Citation statistics
Cited Times:0 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/226134
Collection多学科研究中心
Recommended Citation
GB/T 7714
Yang, YT,Li, JJ,Liu, XJ,et al. Photoacoustic and fluorescence Spectroscopy of metallomesogens containing lanthanide ions[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2008,21(2):#REF!.
APA Yang, YT,Li, JJ,Liu, XJ,Zhang, SY,Liu, J,&刘景.(2008).Photoacoustic and fluorescence Spectroscopy of metallomesogens containing lanthanide ions.CHINESE JOURNAL OF CHEMICAL PHYSICS,21(2),#REF!.
MLA Yang, YT,et al."Photoacoustic and fluorescence Spectroscopy of metallomesogens containing lanthanide ions".CHINESE JOURNAL OF CHEMICAL PHYSICS 21.2(2008):#REF!.
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