ICCAS OpenIR
Acidichromism in the mixed Langmuir-Blodgett films of stearic acid with a carbazole-containing Schiff base
Liu, YH; Liu, MH
2002-06-01
Source PublicationCHINESE JOURNAL OF CHEMISTRY
ISSN1001-604X
Volume20Issue:6Pages:601-605
AbstractA new Schiff base containing carbazole group (CzSB) was synthesized. Although the compound can not form stable monolayer at air/water interface itself, it does form stable monolayers by mixing with stearic acids as verified from the surface pressure-area measurements. The mixed monolayers can be deposited by vertical dipping method. UV Spectroscopic studies of the mixed LB films reveal a broadening and red shift of the absorption spectra compared to those of CzSB in the ethanol solution, which confirms the formation of organized aggregates of the compounds in the mixed LB films. An ordered LB film was obtained as confirmed by using low-angle X-ray diffraction. The mixed LB film shows acidichromism, that is, the colors of the LB films can he reversibly changed upon exposing to HCl and NH3 gas alternatively. On the basis of Fr-IR measurement, it is proposed that the protontation of the imine group m the compound is the reason for the acidichromism.
KeywordSchiff Bases Carbazole Derivative Mixed Lb Films Acidichromism
Indexed ByIC ; SCI
Language英语
WOS IDWOS:000176074100014
PublisherSCIENCE CHINA PRESS
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78562
Collection中国科学院化学研究所
Corresponding AuthorLiu, MH
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Lab Colloid & Interface Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Liu, YH,Liu, MH. Acidichromism in the mixed Langmuir-Blodgett films of stearic acid with a carbazole-containing Schiff base[J]. CHINESE JOURNAL OF CHEMISTRY,2002,20(6):601-605.
APA Liu, YH,&Liu, MH.(2002).Acidichromism in the mixed Langmuir-Blodgett films of stearic acid with a carbazole-containing Schiff base.CHINESE JOURNAL OF CHEMISTRY,20(6),601-605.
MLA Liu, YH,et al."Acidichromism in the mixed Langmuir-Blodgett films of stearic acid with a carbazole-containing Schiff base".CHINESE JOURNAL OF CHEMISTRY 20.6(2002):601-605.
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