Effect of Probe Structure on Temperature Sensitivity of Oxygen Luminescent Sensors
Jin, Biqing1; Jia, Demin1; Lin, Yong2; Shi, Yi2; Chen, Liusheng2
Source PublicationSENSOR LETTERS
AbstractBased on the oxygen quenching of the luminescent intensity of the excited chromophoric probes in pressure sensitive paint (PSP), oxygen luminescent sensors are particularly of interest to the oxygen concentration or partial pressure measurements in aerodynamic prototype testing. The temperature sensitivity Delta T of the luminescent intensity response of PSP described by Stern-Volmer costant K(sv) will interfere with the measurement accuracy of PSP technique in wind tunnel applications. This article reports the effect of the pyrene derivative structure, which was synthesized from 1-pyrenylbutanol (PyBO) or 1-pyrenylmethanol (PyMO) with (R(1))(2) R(2)SiCl, where R(1) and R(2) are alkyl chains of different length, on the Delta(T) of PSP intensity response and K(sv) at the measured pressure from 0.2-1.0 x 10(-1) MPa and temperature range of 0-60 degrees C. The results showed that the Delta(T) and K(sv) of the pyrene derivatives relate to the alkyl chain length bound to PyBO or PyMO. The longer the chain length of the substitute bound the pyrene ring, the higher the K(sv). Moreover, the data also indicated that the more the K(sv), the more the Delta T of the sensing film containing the pyrene derivatives synthesized from PyBO or PyMO. Those may be deduced a decrease in the decay rate constant k(nr) for the radiationless process of the pyrene derivatives because the longer alkyl chain bound on PyBO or PyMO leads to the configuration entropy increase of the derivative molecules.
KeywordOxygen Sensor Pyrene Derivatives Stern-volmer Plot Oxygen Quenching Temperature Sensitivity
Indexed BySCI
WOS IDWOS:000268795400010
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorJia, Demin
Affiliation1.S China Univ Technol, Coll Mat Sci & Engn, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jin, Biqing,Jia, Demin,Lin, Yong,et al. Effect of Probe Structure on Temperature Sensitivity of Oxygen Luminescent Sensors[J]. SENSOR LETTERS,2009,7(2):160-166.
APA Jin, Biqing,Jia, Demin,Lin, Yong,Shi, Yi,&Chen, Liusheng.(2009).Effect of Probe Structure on Temperature Sensitivity of Oxygen Luminescent Sensors.SENSOR LETTERS,7(2),160-166.
MLA Jin, Biqing,et al."Effect of Probe Structure on Temperature Sensitivity of Oxygen Luminescent Sensors".SENSOR LETTERS 7.2(2009):160-166.
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