A Spectroscopic characterization and Langmuir—Blodgett films of N,N'-dialkyl-3,4:9,10-perylenebis(dicarboximide)

Spectrochimica acta. Part A: Molecular spectroscopy Pub Date : 1994-09-01 DOI:10.1016/0584-8539(94)80179-7

R. Aroca, A.K. Maiti

{"title":"A Spectroscopic characterization and Langmuir—Blodgett films of N,N'-dialkyl-3,4:9,10-perylenebis(dicarboximide)","authors":"R. Aroca, A.K. Maiti","doi":"10.1016/0584-8539(94)80179-7","DOIUrl":null,"url":null,"abstract":"<div>The absorption and emission electronic spectra, and the fundamental vibrational frequencies of N-butyl-N'-R-3,4:9,10-perylenebis(dicarboximide) [R = H3(BPTCDM), 2H5(BPTCDE), 3H7(BPTCDPr), (CH3)3(BPTCDI) and 5H11(BPTCDP)] are discussed. The π-A isotherms for Langmuir layers were obtained and limiting areas are given. Langmuir—Blodgett (LB) films of these dye materials were deposited on glass, AgCl and Ag surfaces. Vibrational frequencies from LB films on metal surfaces were observed using surface enhanced resonance Raman Scattering (SERRS), reflection—absorption FTIR spectroscopy (RAIRS). Transmission FTIR spectra of KBr pellets and LB films on AgCl were obtained. The average molecular orientation in LB films was calculated from the transmission and RAIRS data for LB films. The formation of aggregates in the ground and excited state (excimer formation) and the effect of NO2 and NH3 gases on the fluorescence signal was also examined.</div>","PeriodicalId":82782,"journal":{"name":"Spectrochimica acta. Part A: Molecular spectroscopy","volume":"50 10","pages":"Pages 1749-1757"},"PeriodicalIF":0.0000,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0584-8539(94)80179-7","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Spectrochimica acta. Part A: Molecular spectroscopy","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0584853994801797","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 1

Abstract

The absorption and emission electronic spectra, and the fundamental vibrational frequencies of N-butyl-N'-R-3,4:9,10-perylenebis(dicarboximide) [R = H₃(BPTCDM), ₂H₅(BPTCDE), ₃H₇(BPTCDPr), (CH₃)₃(BPTCDI) and ₅H₁₁(BPTCDP)] are discussed. The π-A isotherms for Langmuir layers were obtained and limiting areas are given. Langmuir—Blodgett (LB) films of these dye materials were deposited on glass, AgCl and Ag surfaces. Vibrational frequencies from LB films on metal surfaces were observed using surface enhanced resonance Raman Scattering (SERRS), reflection—absorption FTIR spectroscopy (RAIRS). Transmission FTIR spectra of KBr pellets and LB films on AgCl were obtained. The average molecular orientation in LB films was calculated from the transmission and RAIRS data for LB films. The formation of aggregates in the ground and excited state (excimer formation) and the effect of NO₂ and NH₃ gases on the fluorescence signal was also examined.

查看原文本刊更多论文

N,N'-二烷基-3,4:9,10-苝酰二(二碳酰亚胺)的光谱表征及Langmuir-Blodgett膜

讨论了n -丁基- n′-R-3,4:9,10-苝双(二碳酰亚胺)[R =H3(BPTCDM)，2H5(BPTCDE)，3H7(BPTCDPr)，(CH3)3(BPTCDI)和5H11(BPTCDP)]的吸收、发射电子能谱和基本振动频率。得到了Langmuir层的π-A等温线，并给出了其极限区域。这些染料材料的Langmuir-Blodgett (LB)膜沉积在玻璃、AgCl和Ag表面。利用表面增强共振拉曼散射(SERRS)和反射-吸收FTIR光谱(RAIRS)对金属表面LB膜的振动频率进行了观察。获得了KBr球团和LB膜在AgCl上的透射FTIR光谱。利用LB膜的透射率和红外光谱数据计算LB膜的平均分子取向。研究了基态和激发态聚集体(准分子形成)的形成以及NO2和NH3气体对荧光信号的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Spectrochimica acta. Part A: Molecular spectroscopy

自引率

0.00%

发文量