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Current Research Projects

Metal-Containing Polymers via the Ring-Opening Polymerization of Strained Metallomonomers

Our group has discovered and developed ring-opening polymerization (ROP) routes to a range of high molecular weight polymetallocenes and related metallopolymers. These materials possess a range of interesting properties as well as possible applications as electroactive and charge transport materials and as precursors to magnetic ceramics. Projects include the design and synthesis of new strained monomers, the study of polymerization mechanisms (e.g. for transition metal catalyzed ROP processes), studies of the fundamental characteristics of the polymers, and also through collaborations with other research groups and industry, an exploration of possible applications. We are also generally interested in the synthesis of new classes of polymers containing transition elements and we are currently working on several exploratory projects in this area.

• Shaped Ceramics with Tunable Magnetic Properties from Metal-Containing Polymers
  MacLachlan, M.J.; Ginzburg, M.; Coombs, N.; Coyle, T.W.; Raju, N.P.; Greedan, J.E.; Ozin, G.A.; Manners, I.,
  Science 2000, 287, 1460.
  
  
• Photocontrolled Living Polymerizations
  Tanabe, M.; Vandermeulen, G.W.M.; Chan, W.Y.; Cyr, P.W.; Vanderark, L.; Rider, D.A.; Manners, I.,
  Nature Materials, 2006, 5, 467.
  
  
• Photonic Crystal Full Color Displays
  Arsenault, A.C.; Puzzo, D.P.; Manners, I.; Ozin, G.A.
  Nature Photonics, 2007, 1, 468.
  
  
• Strained Metallocenophanes and Related Organometallic Rings Containing -Hydrocarbon Ligands and Transition-Metal Centers
  Herbert, D.E.; Mayer, U.F.J.; Manners, I.
  Angew Chem. Int. Ed. Engl., 2007, 46, 5060.
  
  
• Synthesis and Lithographic Patterning of FePt Nanoparticles Using a Bimetallic Metallopolyyne Precursor
  Liu, K.; Ho, C-L.; Aouba, S.; Zhao, Y-Q.; Lu, Z-H.; Petrov, S.; Coombs, N.; Dube, P.; Ruda, H.E.; Wong, W-Y.; Manners, I.
  Angew. Chem. Int. Ed., 2008, 47, 1255
  
  
• Strained Metallocenophanes with Late Transition Metals in the Bridge: Syntheses and Structures of Nickel- and Platinum-Bridged [1]Ferrocenophanes
  Whittell, G.R.; Partridge, B.M.; Presly, O.C.; Adams, C.J.; Manners, I.
  Angew. Chem. Int. Ed., 2008, 47, 4354
  
  
• Strain-Controlled, Photochemically, or Thermally Promoted Haptotropic Shifts of Cyclopentadienyl Ligands in Group 8 Metallocenophanes
  Herbert, D.E.; Tanabe, M.; Bourke, S.C.; Lough, A.J.; Manners, I.
  J. Am. Chem. Soc., 2008, 130, 4166
  
  
• Redox-Active Metallomacrocycles and Cyclic Metallopolymers: Photocontrolled Ring-Opening Oligomerization and Polymerization of Silicon-Bridged [1]Ferrocenophanes Using Substitutionally-Labile Lewis Bases as Initiators
  Herbert, D.E.; Gilroy, J.B.; Chan, W.Y.; Chabanne, L.; Staubitz, A.; Lough, A.J.; Manners, I.
  J. Am. Chem. Soc., 2009, 131, 14958
  
  
• Ring-Opening Polymerization of 19-Electron [2]Cobaltocenophanes: A Route to High-Molecular-Weight, Water-Soluble Polycobaltocenium Polyelectrolytes
  Mayer, U.F.J.; Gilroy, J.B.; O'Hare,D.; Manners, I.
  J. Am. Chem. Soc., 2009, 131, 10382
  
  
• Synthesis, Electronic Structure, and Reactivity of Strained Nickel-, Palladium, and Platinum-Bridged [1]Ferrocenophanes
  Matas Ruiz, I.; Whittell, G.R.; Partridge, B.M.; Holland, J.P.; Haddow, M.F.; Green, J.C.; Manners, I.
  J. Am. Chem. Soc., 2010, 132, 13279
  
  
• Strain-Induced Cleavage of Carbon-Carbon Bonds: Bridge Rupture Reactions of Group 8 Dicarba[2]metallocenophanes
  Herbert, D.E.; Gilroy, J.B.; Staubitz, A.; Haddow, M.F.; Harvey, J.N.; Manners, I.
  J. Am. Chem. Soc., 2010, 132, 1988
  
  
• Electroactuation of Alkoxysilane-Functionalized Polyferrocenylsilane Microfibers
  McDowell, J.J.; Zacharia, N.S.; Puzzo, D.; Manners, I.; Ozin, G.A.
  J. Am. Chem. Soc., 2010, 132, 3236
  

• Functional Soft Materials from Metallopolymers and Metallosupramolecular Polymers
  Whittell, G. R.; Hager, M. D.; Schubert, U. S.; Manners, I.
  Nat. Mater. 2011, 10, 176.

• An iron-cyclopentadienyl bond cleavage mechanism for the thermal ring-opening polymerization of dicarba[2]ferrocenophanes
  Gilory, J. B.; Russell, A. D.; Stonor, A. J.; Chabanne, L.; Sladjana, B.; Haddow, M. F.; Manners, I.
  Chem. Sci. 2011, Advance Article