Background Image

Devon A. Shipp

In this Section
Shipp

Professor, Chemistry & Biomolecular Science
131 Science Center
Clarkson University
PO Box 5810
Potsdam, NY 13699-5810

Phone: 315-268-2393
E-mail: dshipp@clarkson.edu

Research group homepage: www.clarkson.edu/~dshipp


Education

B.Sc. (Hons) 1992 The University of Melbourne - Chemistry

Ph.D. 1998 The University of Melbourne - Organic, Polymer Chemistry
(Solomon/Moad Labs)

Postdoctoral Research Fellow 1997 - 1999 Carnegie Mellon University
(Matyjaszewski Lab)

Affiliations & Awards

Fulbright Scholar to Slovenia (January - July 2015)

Associate Editor, Australian Journal of Chemistry 2012 - present

Clarkson University Student Association Outstanding Teacher Award 2000-2001

Bayer Postdoctoral Research Fellowship at Carnegie Mellon University (1998)

Chair American Chemical Society Northern New York Local Section (2008 - 2013)

Exhibit Chair for ACS-Northeast Regional Meeting (NERM), held at SUNY Potsdam June 2010

Fellow of the Royal Australian Chemical Institute (RACI), Member of the American Chemical Society (ACS), Member of the Materials Research Society (MRS)


Research Interests

1. Reversible-Deactivation (‘Living’) Radical Polymerizations

We have significant experience in new radical polymerization methods that have been developed in recent years, including atom transfer radical polymerization (ATRP), reversible addition-fragmentation chain transfer (RAFT) polymerization and nitroxide-mediated polymerization (NMP). Work in our group is examining what factors affect the mechanism and kinetic parameters, as well as looking into alternate methods of controlling polymerizations. We also utilize these polymerization methods to make novel materials, in particular block copolymers and nanocomposites, for various applications.

2. Novel Methods to Synthesize Degradable Polymers

We have shown that thiol-ene chemistry, a step-growth mechanism of polymerization, can be applied to make materials that are amorphous or semicrystalline, photocurable, undergo surface erosion and have controllable degradation rates, starting from only several hours up to weeks. Thiol-ene chemistry is also quite simple and has readily available monomers, and the degradable functionality resides in the main chain, rather than a side chain, which reduces the molecular weight of the degradation products when compared to chain growth polymerizations. Thus, using thiol-ene chemistry to make polyanhydride network polymers provides significant flexibility in tailoring characteristics such as crosslink density, functionality and hydrophilicity.

shipp_research

3. Novel Polymer Particle Synthesis

We are developing new methods for polymer particle synthesis based on water-borne thiol-ene/yne polymerizations. These polymerizations leverage multiple ‘click’ chemistry attributes so that colloidal particles can be made quickly and efficiently, with stoichiometrically-controlled chemical functionality, uniform crosslinking, and using an environmentally friendly reaction medium (water). This provides a significant opportunity to construct a new and transformational paradigm in polymer colloids, one that will result in sustainable, environmentally friendly, and high impact technologies.

Shipp Research 2

4. Novel Chemical-Mechanical Planarization (CMP) Technologies

CMP is both a necessary and enabling technology in the integrated circuit manufacturing industry.  Essentially it is the polishing of metal and non-metal surfaces with a pad and slurry so that the surface is globally flat and locally perfect.  We focus on developing new chemistries that relate to particle-surface interactions that aim to improve surface quality yet provide fast material removal rates. 

Current Research Group Personnel

Dr. Halimatu Mohammed
Kate Murphy
Katie Poetz
Olivia Durham
Ishah Alshehri
Kelly Tillman
Farbod Alimohammadi
and several undergraduate students


Select Recent Peer-Reviewed Publications

Reaction-diffusion degradation model for delayed erosion of cross-linked polyanhydride biomaterials
S. Domanskyi, K. L. Poetz, D. A. Shipp, V. Privman
Phys. Chem. Chem. Phys., 2015, in press.
DOI: http://dx.doi.org/10.1039/c5cp00473j

Photopolymerized Crosslinked Thiol-Ene Polyanhydrides: Erosion, Release and Toxicity Studies
K. L. Poetz, H. S. Mohammed, B. L. Snyder, G. Liddil, D. S. K. Samways, D. A. Shipp
Biomacromolecules, 2014, 15, 2573-2582.
DOI: http://dx.doi.org/10.1021/bm500420q

Suspension Thiol-Ene Photopolymerization: Effect of Stabilizing Agents on Particle Size and Stability
O. Z. Durham, D.A. Shipp
Polymer, 2014, 55, 1674-1680.
DOI: http://dx.doi.org/10.1016/j.polymer.2014.02.044

Role of 1,2,4-Triazole as a Passivating Agent for Cobalt during Post-Chemical Mechanical Planarization Cleaning
M. Zhong, S.S. Venkataraman, Y. Lan, Y. Li, D.A. Shipp
J. Electrochem. Soc., 2014, 161, C138-144.
DOI: http://dx.doi.org/10.1149/2.093403jes

RAFT Polymerization of Monomers with Highly Disparate Reactivities: Use of a Single RAFT Agent and the Synthesis of Poly(styrene-block-vinyl acetate)
L.A. Dayter, K.A. Murphy, D.A. Shipp
Aust. J. Chem., 2013, 66, 1564-1569.
DOI: http://dx.doi.org/10.1071/CH13375

Thiol-Ene Polymerizations Using Imide-Based Monomers
K.A. Murphy, A.S. Zebertavage, B.E. Kiliman, D.A. Shipp
J. Polym. Sci. Part A: Polym. Chem., 2013, 51, 4637-4642. 
DOI: http://dx.doi.org/10.1002/pola.26884

Recent Developments in Atom Transfer Radical Polymerization (ATRP): Methods to Reduce Metal Catalyst Concentrations
Q. Lou, D.A. Shipp
ChemPhysChem, 2012, 13, 3251-3261.
DOI: http://dx.doi.org/10.1002/cphc.201200166

Imprint Lithography with Degradable Elastomeric Polyanhydrides
Q. Lou, D.A. Shipp
ACS Appl. Mater. Interfaces2012, 4, 4457-4460.
DOI: http://dx.doi.org/10.1021/am301312n

Polymer Microspheres Prepared by Water-Borne Thiol-Ene Suspension Photopolymerization
O.Z Durham, S. Krishnan, D.A. Shipp
ACS Macro Lett.2012, 1, 1134-1137. 
DOI: http://dx.doi.org/10.1021/mz300358j

Mechanism of Titania Deposition into Cylindrical Poly(styrene-block-4-vinyl pyridine) Block Copolymer Templates
Q. Lou, P. S. Chinthamanipeta, D.A. Shipp
Langmuir 2011, 27, 15206-15212.
DOI: http://dx.doi.org/10.1021/la2031686

Reversible-Deactivation Radical Polymerizations
D.A. Shipp
Polym. Revs.2011, 51, 99-103. 
DOI:http://dx.doi.org/10.1039/C0PY00416B

Photodecarbonylation and Photoinitiated Polymerization from a Monomer and Polymer Based on the α-Keto Ester Methacryloyl Phenylglyoxylate
K. Omrane, J.-J. Feng, R.E. Partch, D.A. Shipp
Polym. Chem. 2011, 2, 1307-1311. 
DOI:http://dx.doi.org/10.1039/C0PY00416B

Periodic Titania Nanostructures Using Block Copolymer Templates
P. S. Chinthamanipeta, Q. Lou, D. A. Shipp
ACS Nano 2011, 5, 450-456. 
DOI: http://dx.doi.org/10.1021/nn102207y

Polyanhydride Networks from Thiol-Ene Polymerizations
B. G. Rutherglen, R. A. McBath, Y. L. Huang, D. A. Shipp
Macromolecules 2010, 43, 10297-10303. 
DOI: http://dx.doi.org/10.1021/ma102287v

Synthesis and Characterization of PDMS, PVP and PS-Containing ABCBA Pentablock Copolymers
D. Pavlović, J. G. Linhardt, J. F. Künzler, D. A. Shipp
Macromol. Chem. Phys. 2010, 211, 1482-1487. 
DOI:http://dx.doi.org/10.1002/macp.200900523

Elastomeric and Degradable Polyanhydride Network Polymers by Step-Growth Thiol-Ene Photopolymerization
D. A. Shipp, C. W. McQuinn, B. G. Rutherglen, R. A. McBath
Chem. Commun. 2009, 6415-6417. 
DOI: http://dx.doi.org/10.1039/b911557a