综合分析举例PPT课件

1、1,材料研究方法研究生课程,浙江工业大学 化工与材料学院 材料系,第10章 综合分析举例,2,Li-Ping Yang, Cai-Yuan Pan, Macromol. Chem. Phys. 2008, 209, 783-793,1,3,Six-armed star Poly(L-lactic acid,MWNT,PLLA-MWNT,4,5,Figure 1 Typical 1H NMR spectra of A) PLLA2 and B) MWCNT-PLLA2 composites,6,Figure 2. FT-IR spectra of A) pristine MWCNTs, B) P

2、LLA2, and C) MWCNT-PLLA2 composites,7,Figure 3. Typical UV-vis absorption spectra of A) PLLA2 and B) MWCNT-PLLA2 composites. The inset figure shows the variation of absorption intensity of the MWCNT-PLLA2 suspension at300800 nm with time,8,Figure 4. Fluorescence spectra of A) PLLA2 and B) MWCNT-PLLA

3、2 composites,9,Figure 5. Raman spectra of A) the MWCNT-PLLA2, B) the pristine MWCNTs, C) the MWCNTs obtained after alkaline hydrolysis of the MWCNT-PLLA composites and following heat treatment at 550 oC under N2 atmosphere, and D) the MWCNTs obtained by alkaline hydrolysis of the MWCNT-PLLA composit

4、es,10,2,Solid-phase photocatalytic degradation of polystyrene with modified nano-TiO2 catalyst,Ling Zan, Songlin Wang, Wenjun Fa, Yanhe Hu, Lihong Tian and Kejian Deng, Polymer 47 (2006) 8155-8162,11,Fig. 1. The photographs amplified 100 times. (a) PS-untreated TiO2 film, (b) PS-g-TiO2 film (TiO2: 1

5、,12,Fig. 2. (a) The UV-vis spectra of PS-g-TiO2 (2%) films under UV-irradiation for 0 h, 15 h, 30 h, and 45 h. (b) The UV-vis spectra of pure PS films under UV-irradiation for 0 h, 15 h, 30 h, and 45 h,13,Fig. 3. FT-IR spectra of (a) original PS-g-TiO2 (1%), (b) pure PS irradiated for 45 h, (c) PS-g

6、-TiO2 (1%) irradiated for 45 h,14,Fig. 4. XPS spectra of C1s. (a) Pure PS film (0 h), (b) pure PS film (50 h), (c) PS-g-TiO2 (TiO2: 1%) film 50 h,15,Fig. 4. XPS spectra of C1s. (a) Pure PS film (0 h), (b) pure PS film (50 h), (c) PS-g-TiO2 (TiO2: 1%) film 50 h,16,Fig. 4. XPS spectra of C1s. (a) Pure

7、 PS film (0 h), (b) pure PS film (50 h), (c) PS-g-TiO2 (TiO2: 1%) film 50 h,17,Fig. 5. XPS spectra of O1s. (a) Pure PS film 0 h, (b) pure PS film 50 h, (c) PSg-TiO2 (TiO2: 1%, 50 h) film,18,Fig. 5. XPS spectra of O1s. (a) Pure PS film 0 h, (b) pure PS film 50 h, (c) PSg-TiO2 (TiO2: 1%, 50 h) film,19

8、,Fig. 5. XPS spectra of O1s. (a) Pure PS film 0 h, (b) pure PS film 50 h, (c) PSg-TiO2 (TiO2: 1%, 50 h) film,20,Fig. 6. Weight loss of pure PS and PS-g-TiO2 films under UV-light irradiation (2.5 mW/cm2, 254 nm,21,Fig. 7. Weight loss of pure PS and PS-g-TiO2 (TiO2: 1%) films under sunlight irradiatio

9、n,22,23,Fig. 9. SEM images of: (a) pure film (0 h), (b) composite film (TiO2: 1%, 0 h), (c) pure film (200 h), (d) composite film (TiO2: 1%, 200 h,24,Fig. 10. Probable processes of the benzene ring cleavage,25,3,Noncovalent Functionalization of Carbon Nanotubes by FluoresceinPolyethylene Glycol: Sup

10、ramolecular Conjugates with pH-Dependent Absorbance and Fluorescence,Nozomi Nakayama-Ratchford, Sarunya Bangsaruntip, Xiaoming Sun, Kevin Welsher, and Hongjie Dai etc J. AM. CHEM. SOC. 2007, 129, 2448-2449,26,27,Figure 1. (a) Schematic showing SWNT and Fluor-PEG (1,28,Figure 1. (b) Atomic force micr

11、oscopy image of Fluor-PEG/SWNTs deposited on substrate,29,Figure 1. (c) Photo of Fluor-PEG/SWNT in water (left, yellow-green color due to SWNT-bound Fluor), after heating at 70 C for 2 days (center), and in cell culture medium supplemented with10% serum (right, red color due to cell medium). Unbound

12、 Fluor-PEG was dialyzed in the starting solution,30,Figure 2. Optical properties of SWNT-bound Fluor-PEG. (a) Absorbance of Fluor-PEG/SWNT and free Fluor-PEG,31,Fig 2. (b) Corresponding fluorescence emission spectra,32,Fig 2. (c) Emission peak intensity of SWNT bound Fluor-PEG and free Fluor-PEG in

13、a fluorescein concentration range of 200-900 nM,33,Figure 3. pH-dependent fluorescence and absorbance of Fluor-PEG/SWNT. Absorption curves of Fluor-PEG/SWNT at various pHs in the (a) fluorescein region (dashed line marks the peak at pH 12),34,Figure 3. (b) SWNT region (curves are displaced for clari

14、ty,35,Figure 3. (c) Corresponding fluorescence emission spectra (excitation ) 495 nm,36,Figure 3. (d) Comparison of emission peak intensity dependence on pH of free Fluor-PEG and Fluor-PEG/SWNT with the same Fluor-PEG concentration,37,Figure 4. Cellular uptake of Fluor-PEG/SWNT. (a) Confocal fluores

15、cence image of BT474 cells incubated with Fluor-PEG/SWNT,38,Figure 4. (b) Fluorescence intensities of large population of cells treated with Fluor-PEG/SWNT vs untreated control cells by flow cytometry,39,Figure 4. (c) Micro-Raman image of the cells incubated with Fluor-PEG/SWNT,40,Figure 4. (d) Repr

16、esentative Raman spectra showing the presence and absence of the SWNT G-band from Fluor-PEG/ SWNT-incubated cells and untreated control cells, respectively,41,Preparation of polymer-coated mesoporous silica nanoparticles used for cellular imaging by a graft-from method,4,Yang Yang, Xuehai Yan, Yue C

17、ui, Qiang He, Dongxiang Li,ac Anhe Wang, Jinbo Fei and Junbai Li etc J. Mater. Chem., 2008, 18, 57315737 | 5731,42,Fig. 1 SEM (A) and TEM (B, C) of MSN-NH2; TEM (D) of MSNinitiator,43,Fig. 2 XPS of MSN (a); MSN-NH2 (b); MSNinitiator (c) and MSNpolymer (M1) (d,44,Fig. 3 FTIR spectra of M1 (a); M2 (b)

18、; M3 (c) and MSNinitiator (d,45,Scheme 1 A schematic illustration of the surface functionalization for MSN and the fabrication of MSNpolymer,46,Fig. 4 SEM (A) and TEM (B) of M1; SEM (C) and TEM (D) of M2; SEM (E) and TEM (F) of M3. The sample of the inset of image F was negative stained with 1% phosphotungstic acid,47,Fig. 5 1H NMR spectra of PNIPAM(A), M3 (B) and M1 (C) in D2O at different temperatures,48,Fig. 6 Optical transmittance (-) and average hydrodyn