Neutral cuprous complexes as ratiometric oxygen gas sensors

	Neutral cuprous complexes as ratiometric oxygen gas sensors
	Liu XH ; Sun W ; Zou LY ; Xie ZY ; Li X ; Lu CZ ; Wang LX ; Cheng YX
刊名	dalton transactions
	2012
卷号	41 期号:4 页码:1312-1319
关键词	DUAL EMISSION CU(I) COMPLEXES PHOTOPHYSICAL PROPERTIES EXCITED-STATE II COMPLEXES LIGANDS TEMPERATURE
ISSN号	1477-9226
通讯作者	cheng yx
中文摘要	four neutral mononuclear cu(i) complexes, [cu(pyin)(pph(3))(2)] (1a), [cu(pyin)(dpephos)] (1b), [cu(quin)(pph(3))(2)] (2a) and [cu(quin)(dpephos)] (2b) (hpyin = 2-(2-pyridyl) indole, hquin = 2-(2-quinolyl)indole and dpephos = bis(2-(diphenylphosphino)phenyl)ether) have been synthesized. x-ray crystal structure analysis revealed that the central cu(i) ion in all complexes is in a distorted tetrahedral coordination environment. all four complexes display the typical metal-to-ligand charge transfer (mlct) absorption band at 371, 363, 413 and 402 nm, respectively. no emission was observed from any complexes in the solid state due to triplet-triplet annihilation. however, the complexes show unusual dual-emission originating from intraligand charge-transfer (ilct) and mlct transitions, when dispersed in a rigid matrix (e. g. pmma) or in frozen ch(2)cl(2). the oxidation potential of cu(i)/cu(ii) in these neutral complexes, similar to 0.5 v (vs. ag/agcl), is lower than those of cationic cu(i) complexes. films containing 10 wt% of these complexes in pmma shows ratiometric fluorescent oxygen gas sensing property with a response ratio of 0.3-3.2 and response time of 3-4 s. complex 2b acts as a ratiometric oxygen gas sensor with good reversibility through energy and electron transfer mechanisms under the loss of a counteranion.
收录类别	SCI收录期刊论文
语种	英语
WOS记录号	WOS:000299054200029
公开日期	2013-08-29
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/48723]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Liu XH,Sun W,Zou LY,et al. Neutral cuprous complexes as ratiometric oxygen gas sensors[J]. dalton transactions,2012,41(4):1312-1319.
APA	Liu XH.,Sun W.,Zou LY.,Xie ZY.,Li X.,...&Cheng YX.(2012).Neutral cuprous complexes as ratiometric oxygen gas sensors.dalton transactions,41(4),1312-1319.
MLA	Liu XH,et al."Neutral cuprous complexes as ratiometric oxygen gas sensors".dalton transactions 41.4(2012):1312-1319.