针尖增强拉曼光谱和荧光光谱(英文版) 9787030527271

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《针尖增强拉曼光谱和荧光光谱(英文版)》由科学出版社出版。

目录

Chapter 1 Tip—Enhanced Raman Spectroscopy
1.1 Introduction
1.2 A novel technique: TERS
1.2.1 Diffraction limit
1.2.2 TERS mechanisms
1.2.3 TERS setup
1.3 TERS samples and tips
1.3.1 Sample preparation
1.3.2 Tip preparation
1.4 References
Chapter 2 High—Vacuum Tip—Enhanced Raman Spectroscopy
2.1 Introduction
2.2 Description of the HV—TERS system
2.3 Experimental validation of the HV— TERS system
2.4 Discussion
2.5 References
Chapter 3 Recent Advances Regarding TERS and HV—TERS
3.1 Introduction
3.2 Recent advances
3.2.1 Single—molecule detection and sub—molecule resolution
3.2.2 Plasmon—driven reactions
3.2.3 In—situ local temperature
3.2.4 Nonlinear TERS
3.2.5 TERS for materials
3.2.6 Ultrafast tip—enhanced Raman spectroscopy
3.2.7 Deep ultraviolet (DUV) TERS
3.3 Summary and outlook
3.4 References
Chapter 4 Tip—Enhanced Fluorescence (Plasmon—Enhanced Fluorescence)
4.1 Introduction
4.2 The principle of PEF
4.3 PEF from various geometrical metallic plasmonic nano structures
4.3.1 Interaction of fluorophores with surface plasmons
4.3.2 PEF from periodical metallic plasmonic nanostructure
4.3.3 PEF from non—periodical metallic plasmonic nanostructure
4.4 The wavelength and spacer effect towards the fluorescence enhancement
4.5 The tip—enhanced effect towards the fluorescence emissions
4.6 PEF from rare—earth doped nanoparticle
4.7 Conclusion and outlook
4.8 References
Chapter 5 In—Situ Measurements of Tip—Enhanced Raman and Fluorescence Spectroscopy
5.1 Introduction
5.2 Theoretical analysis
5.3 Analysis methods
5.4 References
Colored Pictures

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The STM tip is in the vertical direction and in the axis of the chamber so that all of the components and windows radiantly point to the tip.There are two magnetic mechanical robot hands to assist in transferring the samples.Because the chamber has a very good screen effect, the pre—amplifier of the STM is immediately outside the chamber to enable a better vacuum.The collection of the Raman signals is through a 50×0.5 NA objective inside the chamber with a 10 mm working distance.The objective is fixed on a tube holder and connected to a small sealed quartz window.There are holes available on the tube and objective for releasing gas when the system is pumped so as to keep the vacuum and, more importantly, make sure the lenses in the objective are not deformed by the sealed gas pressure.The other parts of the Raman pre—detector (fibers for the laser and Raman signals, notch filters and so forth) are outside the chamber.They are also connected to the sealed window(Figure 5(b)).The sealed window is connected to the chamber by a bellows tube so they can be moved freely.The whole pre—detector is fixed on a 3D adjustable stage for focusing.The excitation is 632.8 nm from a He—Ne laser at an angle 60° off the tip axis.The polarizer and analyzer can be added in the pre—detector box for more flexible experiments.The pre—detector is coupled to the laser and spectrometer through fibers so as to minimize the vibration of the system.A CCD camera is on the box for optical bright—field imaging of the tip area.Figure 5(c) shows a photograph of the chamber.As there is no illuminating white light in the detector, we opened a small wlute light illumination window close to the Raman window and included a metal mirror behind the STM tip for optical imaging.
ISBN9787030527271
出版社科学出版社
作者孙萌涛
尺寸5