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Toauto至尊木虫 (著名写手)
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[交流]
MWCNT在260～290nm波长范围内的吸收峰
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| 很多文献用分光光度（UV-vis photospectrometer）表征MWCNT在溶液中悬浮的“浓度”。SWCNT在260～290nm波长范围内有吸收峰，这是有理论解释的，吸收峰和SWCNT直径、手性有关（H.J. Huang, H. Kajiura, and R. Maruyama, et al. , Relative optical absorption of metallic and semiconducting single-walled carbon nanotubes. JOURNAL OF PHYSICAL CHEMISTRY B, 2006. 110(10): p. 4686-4690.）。可是，看了N多文献，看了N多二次文献，却从来没有看到一篇文献正面解释为什么MWCNT有这个吸收峰。所有文章几乎都套用SWCNT的理论解释，来说明MWCNT用UV-vis的道理。真不解。两者的机理一样吗？ |
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Toauto
至尊木虫 (著名写手)
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贴一下分散的相关文献
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[1]. M. Kang and H.J. Jin, Electrically conducting electrospun silk membranes fabricated by adsorption of carbon nanotubes. COLLOID AND POLYMER SCIENCE, 2007. 285(10): p. 1163-1167. [2]. J.R. Yu, N. Grossiord, and C.E. Koning, et al. , Controlling the dispersion of multi-wall carbon nanotubes in aqueous surfactant solution. CARBON, 2007. 45(3): p. 618-623. [3]. C.A. Mitchell and R. Krishnamoorti, Dispersion of single-walled carbon nanotubes in poly(epsilon-caprolactone). MACROMOLECULES, 2007. 40(5): p. 1538-1545. [4]. J. Shen, W. Huang, and L. Wu, et al. , Study on amino-functionalized multiwalled carbon nanotubes. Materials Science and Engineering: A, 2007. 464(1-2): p. 151-156. [5]. S.H. Jeong, K.K. Kim, and S.J. Jeong, et al. , Optical absorption spectroscopy for determining carbon nanotube concentration in solution. Synthetic Metals, 2007. 157(13-15): p. 570-574. [6]. C.G. Salzmann, B.T. Chu, and G. Tobias, et al. , Quantitative assessment of carbon nanotube dispersions by Raman spectroscopy. Carbon, 2007. 45(5): p. 907-912. [7]. D.H. Marsh, G.A. Rance, and M.H. Zaka, et al. , Comparison of the stability of multiwalled carbon nanotube dispersions in water. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2007. 9(40): p. 5490-5496. [8]. W.H. Chang, I.W. Cheong, and S.E. Shim, et al. , The dispersion stability of multi-walled carbon nanotubes in the presence of poly(styrene/alpha-methyl styrene/acrylic acid) random terpolymer. MACROMOLECULAR RESEARCH, 2006. 14(5): p. 545-551. [9]. M.O. Lisunova, N.I. Lebovka, and E.V. Melezhyk, et al. , Stability of the aqueous suspensions of nanotubes in the presence of nonionic surfactant. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2006. 299(2): p. 740-746. [10]. S.H. Yoon, H.J. Jin, and M.C. Kook, et al. , Electrically conductive bacterial cellulose by incorporation of carbon nanotubes. BIOMACROMOLECULES, 2006. 7(4): p. 1280-1284. [11]. E. Titus, N. Ali, and G. Cabral, et al. , Chemically functionalized carbon nanotubes and their characterization using thermogravimetric analysis, Fourier transform infrared, and Raman spectroscopy. JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE, 2006. 15(2): p. 182-186. [12]. Z.B. Zhang, S.L. Zhang, and E.E. Campbell, Dielectrophoretic behavior of ionic surfactant-solubilized carbon nanotubes. CHEMICAL PHYSICS LETTERS, 2006. 421(1-3): p. 11-15. [13]. L. Vaisman, H.D. Wagner, and G. Marom, The role of surfactants in dispersion of carbon nanotubes. ADVANCES IN COLLOID AND INTERFACE SCIENCE, 2006. 128: p. 37-46. [14]. T. Fukushima, A. Kosaka, and Y. Yamamoto, et al. , Dramatic effect of dispersed carbon nanotubes on the mechanical and electroconductive properties of polymers derived from ionic liquids. SMALL, 2006. 2(4): p. 554-560. [15]. L. Vaisman, G. Marom, and H.D. Wagner, Dispersions of surface-modified carbon nanotubes in water-soluble and water-insoluble polymers. ADVANCED FUNCTIONAL MATERIALS, 2006. 16(3): p. 357-363. [16]. H.J. Huang, H. Kajiura, and R. Maruyama, et al. , Relative optical absorption of metallic and semiconducting single-walled carbon nanotubes. JOURNAL OF PHYSICAL CHEMISTRY B, 2006. 110(10): p. 4686-4690. [17]. M. Zhang, L. Su, and L. Mao, Surfactant functionalization of carbon nanotubes (CNTs) for layer-by-layer assembling of CNT multi-layer films and fabrication of gold nanoparticle/CNT nanohybrid. Carbon, 2006. 44(2): p. 276-283. [18]. N. Patel and S.A. Egorov, Dispersing nanotubes with surfactants: A microscopic statistical mechanical analysis. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2005. 127(41): p. 14124-14125. [19]. X.L. Xie, Y.W. Mai, and X.P. Zhou, Dispersion and alignment of carbon nanotubes in polymer matrix: A review. MATERIALS SCIENCE & ENGINEERING R-REPORTS, 2005. 49(4): p. 89-112. [20]. R.A. Graff, J.P. Swanson, and P.W. Barone, et al. , Achieving individual-nanotube dispersion at high loading in single-walled carbon nanotube composites. ADVANCED MATERIALS, 2005. 17(8): p. 980-+. [21]. K. Yurekli, C.A. Mitchell, and R. Krishnamoorti, Small-angle neutron scattering from surfactant-assisted aqueous dispersions of carbon nanotubes. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2004. 126(32): p. 9902-9903. [22]. X.T. Zhang, J. Zhang, and R.M. Wang, et al. , Surfactant-directed polypyrrole/CNT nanocables: Synthesis, characterization, and enhanced electrical properties. CHEMPHYSCHEM, 2004. 5(7): p. 998-1002. [23]. X.T. Zhang, J. Zhang, and R.M. Wang, et al. , Cationic surfactant directed polyaniline/CNT nanocables: synthesis, characterization, and enhanced electrical properties. CARBON, 2004. 42(8-9): p. 1455-1461. [24]. J.W. Ning, J.J. Zhang, and Y.B. Pan, et al. , Surfactants assisted processing of carbon nanotube-reinforced SiO2 matrix composites. CERAMICS INTERNATIONAL, 2004. 30(1): p. 63-67. [25]. S. Niyogi, M.A. Hamon, and D.E. Perea, et al. , Ultrasonic dispersions of single-walled carbon nanotubes. J. Phys. Chem. B Journal of Physical Chemistry B, 2003. 107(34): p. 8799-8804. [26]. S. Cui, R. Canet, and A. Derre, et al. , Characterization of multiwall carbon nanotubes and influence of surfactant in the nanocomposite processing. CARBON, 2003. 41(4): p. 797-809. [27]. Y.J. Qin, L.Q. Liu, and J.H. Shi, et al. , Large-scale preparation of solubilized carbon nanotubes. CHEMISTRY OF MATERIALS, 2003. 15(17): p. 3256-3260. [28]. L.Q. Jiang, L. Gao, and J. Sun, Production of aqueous colloidal dispersions of carbon nanotubes. JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2003. 260(1): p. 89-94. [29]. J. Hilding, E.A. Grulke, and Z.G. Zhang, et al. , Dispersion of carbon nanotubes in liquids. JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY, 2003. 24(1): p. 1-41. [30]. L. Zhao and L. Gao, Stability of multi-walled carbon nanotubes dispersion with copolymer in ethanol. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2003. 224(1-3): p. 127-134. [31]. M.F. Islam, E. Rojas, and D.M. Bergey, et al. , High Weight Fraction Surfactant Solubilization of Single-Wall Carbon Nanotubes in Water. Nano Letters Nano Lett. Nano Letters, 2003. 3(2): p. 269-273. [32]. V.C. Moore, M.S. Strano, and E.H. Haroz, et al. , Individually Suspended Single-Walled Carbon Nanotubes in Various Surfactants. Nano Letters Nano Lett. Nano Letters, 2003. 3(10): p. 1379-1382. [33]. K.F. Fu and Y.P. Sun, Dispersion and solubilization of carbon nanotubes. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 2003. 3(5): p. 351-364. [34]. J.H. Rouse and P.T. Lillehei, Electrostatic Assembly of Polymer/Single Walled Carbon Nanotube Multilayer Films. Nano Letters Nano Lett. Nano Letters, 2003. 3(1): p. 59-62. [35]. E. Valentin, S. Auvray, and J. Goethals, et al. , High-density selective placement methods for carbon nanotubes. MICROELECTRONIC ENGINEERING, 2002. 61-2: p. 491-496. [36]. D. Li, H.Z. Wang, and J.W. Zhu, et al. , Dispersion of carbon nanotubes in aqueous solutions containing poly(diallyldimethylammonium chloride). JOURNAL OF MATERIALS SCIENCE LETTERS, 2002. 22(4): p. 253-255. [37]. R. Bandyopadhyaya, E. Nativ-Roth, and O. Regev, et al. , Stabilization of individual carbon nanotubes in aqueous solutions. NANO LETTERS, 2002. 2(1): p. 25-28. [38]. X. Gong, J. Liu, and S. Baskaran, et al. , Surfactant-Assisted Processing of Carbon Nanotube/Polymer Composites. Chemistry of Materials Chem. Mater. Chemistry of Materials, 2000. 12(4): p. 1049-1052. [39]. Z.X. Jin, L. Huang, and S.H. Goh, et al. , Characterization and nonlinear optical properties of a poly(acrylic acid)-surfactant-multi-walled carbon nanotube complex. CHEMICAL PHYSICS LETTERS, 2000. 332(5-6): p. 461-466. [40]. B. Vigolo, A. Penicaud, and C. Coulon, et al. , Macroscopic fibers and ribbons of oriented carbon nanotubes. SCIENCE, 2000. 290(5495): p. 1331-1334. |
3楼2008-01-17 11:30:40
my050666
木虫 (著名写手)
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2楼2008-01-16 23:21:47
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