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The synthesized compounds have been characterized on the basis of elemental analyses, infrared spectroscopy (IR), and nuclear magnetic resonance (NMR).
      
Their structures were determined by IR spectra, 1H nuclear magnetic resonance (NMR), 13C NMR, and elemental analysis.
      
The polymers were characterized by IR spectra, thermal-weight analysis, scanning electron microscope and laser particle size analysis.
      
The structure of the B3 monomer was confirmed by MS, 1H NMR/IR.
      
The structure of the titled compound is determined by infrared spectrum(IR), proton nuclear magnetic resonance (HNMR), and mass spectrum (MS) and elemental analysis (EA).
      
N-Methyl-2-(N-ethylcarbozole)-fulleropyrro lidine and N-methyl-2-(4'-N,N-diphenylaminophenyl)-fulleropyrrolidine were synthesized by 1,3-dipolar cycloaddition under microwave irradiation, which were characterized by MS, 1H NMR, IR and UV-Vis.
      
The charge-separated state C60?--Cz?+ was observed in the near-IR region with a lifetime of 0.28 μs.
      
Their structures were characterized by an infrared (IR) spectrum and their thermal resistance was conducted with thermal gravity (TG) and differential scanning calorimetry (DSC).
      
Their chemical structures were determined by 1H NMR, IR, MS, and elemental analysis.
      
The precursor was proved to be [Zn5(OH)6(CO3)2] by TG-DTG-DTA and IR analysis.
      
Chemically bonded silica gel was characterized by transmission electron microscopy (TEM), infrared (IR), and other methods.
      
A new water soluble compound trisodium 5,3',5'-trisulfonate-2,3,4,4'-tetrahydroxy-deoxybenzoin (TTDB) was synthesized and characterized by IR, UV, 1H NMR, and elemental analysis.
      
Its structure was characterized by IR, 1H-NMR, MS, and elemental analyses.
      
The thermotropic properties, the melting point (Tm) and the isotropization temperature (Ti) of the synthesized polyurethanes were characterized by DSC, IR and POM.
      
C60 derivatives 2 and 3 were structurally characterized by 1H NMR, 13C NMR, IR, and elementary analysis, MS.
      
The chemical component and the surface morphology of both surfaces of the films are characterized by FT-IR spectra and SEM, respectively.
      
Stable inclusion complex in solid state was characterized by IR spectra.
      
The copolyimides were characterized by Infra-red (IR), Nuclear Magnetic Resonance (NMR), Gel Permeation Chromatography (GPC), Ultraviolet Visual (UV-Vis), Thermogravimetic Analysis (TGA) and Dynamic Mechanical Analysis (DMA).
      
The IR measurement indicates that there is a strong interaction between the PANI and TiO2 nanoparticles, and it has a beneficial effect on the thermal stability of the composite nanofiber.
      
Six new triazinone derivatives were synthesized and characterized by IR, 1H-NMR and MS spectra.
      
 

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