Page 9 - The Effects of Confinement inside Carbon Nanotubes on Catalysis
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Effects of Confinement inside CNTs on Catalysis Pan and Bao


          boron introduced acceptor states near the valence band  processes related to energy. Currently, his attention is focused on
          edge 46  while nitrogen-doping added electron donor states  “nanocatalysis” with emphasis on the development of science and
          near the conduction band edge. 47  N-doped MWCNTs were  techniques to assemble and stabilize nanostructured particles
                                                               using porous materials and carbon nanotubes.
          recently demonstrated to enhance significantly the ammo-
          nia decomposition activity of Ru nanoparticles dispersed on
          their exterior walls. 48  Precise manipulation of the location of  We acknowledge the financial support of the National Science
          heteroatoms either exclusively on interior or exterior walls  Foundation of China (Projects 11079005 and 21033009).
          of CNTs may allow fine-tuning of catalytic properties.
                                                               FOOTNOTES
            Looking beyond CNTs, spherical fullerenes such as buck-
                                                               *E-mail addresses: panxl@dicp.ac.cn; xhbao@dicp.ac.cn.
          minsterfullerene C 60 may provide another intriguing con-
          finement environment because of their well-defined cavities,
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          BIOGRAPHICAL INFORMATION
                                                               13 Ebbesen, T. W. Wetting, filling and decorating carbon nanotubes. J. Phys. Chem. Solids
          Xiulian Pan received her Ph.D. from the Dalian Institute of  1996, 57, 951–955.
          Chemical Physics (DICP) in 2001 after carrying out a thesis on  14 Tessonnier, J. P.; Ersen, O.; Weinberg, G.; Pham-Huu, C.; Su, D. S.; Schlogl, R. Selective
                                                                  deposition of metal nanoparticles inside or outside multiwalled carbon nanotubes. ACS
          palladium hollow fiber membranes for hydrogen separation and  Nano 2009, 3,2081–2089.
          membrane catalysis under the guidance of Prof. Guoxing Xiong.  15 Castillejos, E.; Debouttiere, P. J.; Roiban, L.; Solhy, A.; Martinez, V.; Kihn, Y.; Ersen, O.;
          After 2 years as a postdoctoral fellow at the Fraunhofer Institute for  Philippot, K.; Chaudret, B.; Serp, P. An efficient strategy to drive nanoparticles into carbon
                                                                  nanotubesand theremarkableeffect of confinement on theircatalyticperformance.Angew.
          Interfacial Engineering and Biotechnology in Stuttgart (Germany),  Chem., Int.Ed. 2009, 48,2529–2533.
          she joined Prof. Xinhe Bao's group at the State Key Laboratory of  16 Ugarte, D.; Chatelain, A.; deHeer, W. A. Nanocapillarity and chemistry in carbon nanotubes.
          Catalysis of DICP, where she was appointed full professor in 2009.  Science 1996, 274, 1897–1899.
                                                               17 Valden, M.;Lai,X.;Goodman, D. W. Onsetof catalyticactivity of gold clusters on titaniawith
          Her current research interests involve nanostructured carbon for
                                                                  the appearance of nonmetallic properties. Science 1998, 281, 1647–1650.
          catalysis, including carbon nanotubes, graphene, and ordered  18 Lei, Y.; Mehmood, F.; Lee, S.; Greeley, J.; Lee, B.; Seifert, S.; Winans, R. E.; Elam, J. W.;
          mesoporous carbons.                                     Meyer, R. J.; Redfern, P. C.; Teschner, D.; Schlogl, R.; Pellin, M. J.; Curtiss, L. A.; Vajda, S.
                                                                  Increased silver activity for direct propylene epoxidation via subnanometer size effects.
          Xinhe Bao received his Ph.D. in Physical Chemistry from Fudan  Science 2010, 328, 224–228.
          University in China in 1987. He held an Alexander von Humboldt  19 Wang, C.; Guo, S.; Pan, X.; Chen, W.; Bao, X. Tailored cutting of carbon nanotubes and
          Research Fellow position in Frize-Haber institute between 1989  controlled dispersion of metal nanoparticles inside their channels. J. Mater. Chem. 2008,
                                                                  18,5782–5786.
          and 1995, hosted by Prof. Gerhard Ertl. Following that, he joined
                                                               20 Guo, S.; Pan, X.; Gao, H.; Yang, Z.; Zhao, J.; Bao, X. Probing the electronic effect of carbon
          the Dalian Institute of Chemical Physics as a full Professor. He  nanotubes in catalysis: NH 3 synthesis with Ru nanoparticles. Chem.;Eur. J. 2010, 16,
          became a member of the Chinese Academy of Sciences in 2009.  5379–5384.
                                                               21 Friedrich, H.; Guo, S.;deJongh, P. E.;Pan, X.;Bao, X.;deJong, K. P. A quantitative electron
          His research activities focus on the fundamental study of catalysis,
                                                                  tomography study of Ru particles inside and outside of carbon nanotubes. ChemSusChem
          including development of new catalysts and novel catalytic  201110.1002/cssc.201000325.
                                                                   Vol. 44, No. 8 ’ 2011 ’ 553–562 ’ ACCOUNTS OF CHEMICAL RESEARCH ’ 561
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