欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
共振增强拉曼光谱技术是表征和研究单壁碳纳米管（SWNTs）的有力工具,它既能用于SWNTs的几何结构表征,又能反映SWNTs的电子态密度信息.特别指出的是,由于共振拉曼效应,它能够灵敏地检测单根SWNT的局域信息.本文首先概述了SWNTs拉曼光谱的RBM峰、G峰、D峰和G＇峰的特征和应用,然后综述了共振增强拉曼光谱在SWNTs的结构表征、形变测量、缺陷测量和温度测量中的应用和进展,最后讨论了共振拉曼光谱在SWNTs表征方面所面临的机会和挑战.
英文摘要：
Resonance enhanced Raman spectroscopy is a simple,quick,non-destructive and powerful tool for the characterization of single-walled carbon nanotubes（SWNTs）.Raman spectroscopy can be used to obtain information about both the geometry structure and the electronic density of states of SWNTs,including isolated individual SWNTs.In this review,the characteristics of the main Raman active modes of SWNTs,including radial breath mode（RBM）,G-band,D-band and G＇-band were stated,and the application of Raman spectroscopy in the characterization of the diameter and chirality of SWNTs,strained SWNTs,defects and doping in SWNTs,and the temperature-dependence of the structures of SWNTs were summarized.The diameter of SWNTs can be calculated from the frequency of RBM（ωRBM）,according to an equation which is slightly varied with the type of SWNT samples.Furthermore,by combining the Raman resonance condition,ωRBM and Kataura plot,both information of electronic conducting properties,electron transition energy,and（n,m） of SWNTs could be obtained.With application of uniaxial strain,the D-band,G-band and G＇-band of SWNTs shift due to the change of C—C distance,according to which the strain applied on SWNTs can be measured.At the same time,the Raman resonance intensity varies,which is attributed to the influence of uniaxial strain on the electronic structure of SWNTs.Raman spectroscopy can also be used to characterize radial deformation of SWNTs.It is found that the variation of frequency and intensity of RBM with the application of radial deformation shows dependence on the diameter and chirality of SWNTs.Theoretically,G-band will change under bending deformation,while experimental verification is still in needs due to difficulties of bend deformation of SWNTs in experiments.Besides,Raman spectra of SWNTs can be used to monitor the temperature of SWNTs due to the sensentivity of Raman spectra to photon properties.The Raman spectra of SWNTs upshift with the increase of temperature and the Raman resonance intensity
同期刊论文项目
同项目期刊论文
Ultrathin Two-Dimensional Atomic Crystals as Stable Interfacial Layer for Improvement of Lithium Met
Carbide-Forming Groups IVB-VIB Metals: A New Territory in the Periodic Table for CVD Growth of Graph
Hetero-structured TiO2 Nanotrees Composed of Rutile Trunks and Anatase Branches for Improved Quantum
Helicity-Dependent Single-Walled Carbon Nanotube Alignment on Graphite for Helical Angle and Handedn
The Origin of Higher Open-Circuit Voltage in Zn-Doped TiO2 Nanoparticle-Based Dye-Sensitized Solar C
Tetragonal faceted-nanorods of anatase TiO2 with a large percentage of active {100} facets and their
Probing the Effect of Molecular Orientation on the Intensity of Chemical Enhancement Using Graphene-
Photocatalytic reduction of CO2 to CO utilizing a stable and efficient hetero-homogeneous hybrid sys
Tuning the electronic and structural properties of WO3 nanocrystals by varying transition metal tung
Synthesis of {100} Facet Dominant Anatase TiO2 Nanobelts and the Origin of Facet-Dependent Photoreac
Investigation of the Mechanism of Temperature-Responsiveness of Metal-Cholate Supramolecular Hydroge
Optically enhanced charge transfer between C-60 and single-wall carbon nanotubes in hybrid electroni
Enlarging the application of potassium titanate nanowires as titanium source for preparation of TiO2
Synthesis and characterization of a novel tube-in-tube nanostructured PPy/MnO2/CNTs composite for su
Tunable Spin-Orbit Interaction in Trilayer Graphene Exemplified in Electric-Double-Layer Transistors
Promoting effect of SnOx on selective conversion of cellulose to polyols over bimetallic Pt-SnOx/Al2
CuInSe2 Nanowires from Facile Chemical Transformation of In2Se3 and Their Integration in Single Nano
Scalable Fabrication of Ambipolar Transistors and Radio-Frequency Circuits Using Aligned Carbon Nano
Recent Progress in Electrochemical Synthesis and Morphological Control of Metal Oxide Nanostructures
Growth of high-density parallel arrays of ultralong carbon nanotubes with catalysts pinned by silica
Multi-walled carbon nanotube-based carbon/carbon composites with three-dimensional network structure
Application of Resonance Raman Spectroscopy in the Characterization of Single-Walled Carbon Nanotube
Controlling the growth of single-walled carbon nanotubes on surfaces using metal and non-metal catal
In situ fabrication of depth-type hierarchical CNT/quartz fiber filters for high efficiency filtrati
Influence of Ionic Strength on DNA Mediated Charge Transport -Experiments and the Related Debye-Huck
Surface-Confined Single-Layer Covalent Organic Framework on Single-Layer Graphene Grown on Copper Fo
Hierarchical carbon-nanotube/quartz-fiber films with gradient nanostructures for high efficiency and
Air Filtration in the Free Molecular Flow Regime: A Review of High-Ef？ciency Particulate Air Filters
Graphene/graphite sheets assisted growth of high-areal-density horizontally aligned carbon nanotubes
Designed Synthesis of Transition Metal/Oxide Hierarchical Peapods Array with the Superior Lithium St
Bifilar Helix-like Nanobelt of Single Crystalline Zn2SnO4 Fabricated by Aluminothermal Reaction Appr
High-Quality Monolayer Graphene Synthesis on Pd Foils via the Suppression of Multilayer Growth at Gr
Coaxial carbon-silicon-carbon nanotube arrays in porous anodic aluminum oxide templates as anodes fo
The effect of photoanode structure on the performances of quantum-dot-sensitized solar cells: a case
The evolution of self-assemblies in the mixed system of oleic acid-diethylenetriamine based on the t
Self-assembled laminated nanoribbon-directed synthesis of noble metallic nanoparticle-decorated sili
A robust fuel cell cathode catalyst assembled with nitrogen-doped carbon nanohorn and platinum nanoc
Fabrication of Ordered One-dimensional P3HT/CdS/TiO2/ZnO Core-Shell Nanorod Array and Their Applicat
Substrate Engineering by Hexagonal Boron Nitride/SiO2 for Hysteresis-Free Graphene FETs and Large-Sc
Bottom-Up Construction of POM-Based Macrostructures: Coordination Assembled Paddle-Wheel Macrocluste
Rapid microwave-assisted synthesis of hierarchical ZnO hollow spheres and their application in Cr(VI
Selective-Area Van der Waals Epitaxy of Topological Insulator Grid Nanostructures for Broadband Tran
Hierarchical Hydrogen Bonds Directed Multi-Functional Carbon Nanotube-Based Supramolecular Hydrogels
期刊信息
位置：