二维相关谱图Two-Dimensional(2D)SpectroscopyGeneralized2DCorrelationSpectroscopyGeneralized2DCorrelationSpectroscopyAppliedSpectroscopy,vol.54,no.7,July,2000.(Specialissueongeneralized2Dcorrelationspectroscopy)BookGeneralizedTwo-DimensionalCorrelationSpectroscopyGeneralized2DCorrelationFormalismPracticalComputationalMethodSynchronouscorrelationspectrum:F(n1,n2)Asynchronouscorrelationspectrum:Y(n1,n2)Polystyrene/PolyethyleneBlendPolystyrene/PolyethyleneBlendSelectivelyDeuteratedPolystyreneAtacticPoly(methylmethacrylate)PureGroupFrequencySpectraofPMMAAtacticPMMAHumanHairKeratinPolystyrene/DOPBlendPlasticizedPolystyreneRemolaModelofPlasticizationPS/PVMEBlendsd3PS/PVME(25:75)Blendd3PS/PVME(25:75)BlendFTNIRSpectraofOleylAlcoholThermal2DNIRofOleylAlcoholThermal2DNIRofOleylAlcoholThermal2DNIRofOleylAlcoholCrystallizationofNodaxTM(PHBHx)CrystallizationofNodaxTM(PHBHx)Two-DimensionalCorrelationSpectroscopy33中红外近红外吸收峰归属表近红外变温实验结果二维相关谱图(6200–6900cm-1)二维相关谱图(5400–6200cm-1)二维相关谱图(5400–6200vs6200–6900cm-1)课题研究背景变温实验条件及数据二维相关谱图(1500–1800cm-1)相关机理解释实验条件及仪器设备尼龙6近红外光谱归属80℃时尼龙膜脱水谱图样品A二维相关谱图(5000–5350cm-1)样品B二维相关谱图(5000–5350cm-1)实验结果机理解释FTIRand2D-IRSpectroscopicStudyonPolyN-isopropylacrylamide(PNIPAM)PolyN-isopropylacrylamide(PNIPAM)FTIRspectraofPNIPAM20wt%D2Osolution(28≒40℃)Two-stepdehydration/hydrationprocessofCH31InvestigationofAmideIband-FTIRInvestigationofAmideIband-2DIRDehydrationandHydrationofN-D:SpectralDensityMethodDehydrationofCH3(I)20wt%AssignmentsofovertoneandcombinationbandsintheNIRspectrumofPNIPAMNIRSpectrumofPNIPAMfilm(RT)Deuterationstudies-MIR&NIRVariableTemperatureStudy-MIRVariableTemperatureStudy-NIR2DIR-NHgroupsvs.CHgroupsApplicationofTwo-DimensionalCorrelationSpectroscopyandPerturbationCorrelationMovingWindowGeneralizedTwo-DimensionalCorrelationSpectroscopyGeneralizedTwo-DimensionalCorrelationSpectroscopyPerturbationCorrelationMovingWindowAcquisitionofMovingWindowSpectraPerturbationCorrelationMovingWindow7879808182848586【Acknowledge】(2970,2929)+,+InvestigationofAmideIBandd