supramolecular materials chemistry for solar energy

 

Scott C. Warren
Northwestern University
Non-Equilibrium Energy Research Center
CV.pdf


Publications

E. Thimsen, F. Le Formal, M. Graetzel, S. C. Warren (corresponding author)Influence of plasmonic Au nanoparticles on the photoactivity of Fe2O3 electrodes for water splitting.  Nano Lett. 11, 35-43 (2011).

Plasmons

 

H. Dotan, K. Sivula, M. Graetzel, A. Rothschild, S. C. Warren (corresponding author)Probing the photoelectrochemical properties of hematite (α-Fe2O3) electrodes using hydrogen peroxide as a hole scavenger.  Energy Environ. Sci.  4, 958-964 (2011). Featured in the MRS Bulletin.

H2O2

 

J. Lee, Y. S. Jung, S. C. Warren, M. Kamperman, S. M. Oh, F. J. DiSalvo, U. Wiesner.  Direct access to mesoporous crystalline TiO2/carbon composites with large and uniform pores for use as anode materials in lithium ion batteries.  Macromol. Chem. Phys.  212, 383-390 (2011).

batteries

 

H. Arora, Z. Li, H. Sai, M. Kamperman, S. C. Warren, U. Wiesner.  Block copolymer directed nanoporous metal thin films.  Macromol. Rapid Commun. 31, 1960-1964 (2010).

thin films

 

M. Nedelcu, S. Guldin, M. C. Orilall, J. Lee, S. Huettner, E. J. W. Crossland, S. C. Warren, C. Ducati, P. R. Laity, D. Eder, U. Wiesner, U. Steiner, H. J. Snaith.  Monolithic route to efficient dye-sensitized solar cells employing diblock copolymers for mesoporous TiO2.  J. Mater. Chem. 20, 1261-1268 (2010).

dye sensitized solar cells

 

Z. Li, H. Sai, S. C. Warren, M. Kamperman, H. Arora, S. Gruner, U. Wiesner.  Metal nanoparticle-block copolymer composite assembly and disassembly.  Chem. Mater. 21, 5578-5584 (2009).

Pt disassembly

 

M. Kamperman, A. Burns, R. Weissgraeber, N. van Vegten, S. C. Warren, S. M. Gruner, A. Baiker, U. Wiesner.  Integrating structure control over multiple length scales in porous high temperature ceramics with functional platinum nanoparticles.  Nano Lett. 9, 2756-2762 (2009).

Hierarchical structures

 

S. C. Warren (corresponding author), U. Wiesner.  Self-assembled ordered mesoporous metals.  Pure & Appl. Chem. 81, 72-84 (2009).

Mesoporous platinum review

 

R. Oren, Z. Liang, J. S. Barnard, S. C. Warren, U. Wiesner, W. T. S. Huck.  Organization of nanoparticles in polymer brushes.  J. Am. Chem. Soc. 131, 1670-1671 (2009).

NP in brushes

 

M. Nedelcu, J. Lee, E. J. W. Crossland, S. C. Warren, M. C. Orilall, S. Guldin, S. Huttner, C. Ducati, D. Eder, U. Wiesner, U. Steiner, H. J. Snaith.  Block copolymer directed synthesis of mesoporous TiO2 for dye-sensitized solar cells.  Soft Matter 5,134-139 (2009).

DSCs

 

S. C. Warren, L. C. Messina, L. S. Slaughter, M. Kamperman, Q. Zhou, S. M. Gruner, F. J. DiSalvo, U. Wiesner.  Ordered mesoporous materials from metal nanoparticle-block copolymer self-assembly.  Science 320, 1748-1752 (2008).

Mesoporous platinum

 

H. Abe, F. Matsumoto, L. R. Alden, S. C. Warren, H. D. Abruña, F. J. DiSalvo.  Electrocatalytic performance of fuel oxidation by Pt3Ti nanoparticles.  J. Am. Chem. Soc. 130, 5452-5458 (2008).

PtTi

 

J. Lee, M. C. Orilall, S. C. Warren, M. Kamperman, F. J. DiSalvo, U. Wiesner.  Direct access to thermally stable and highly crystalline mesoporous transition-metal oxides with uniform pores.  Nat. Mater. 7, 222-228 (2008).

CASH process

 

S. C. Warren, A. C. Jackson, Z. D. Cater-Cyker, F. J. DiSalvo, U. Wiesner.  Nanoparticle synthesis via the photochemical polythiol process.  J. Am. Chem. Soc. 129, 10072-10073 (2007).

Polythiol process

 

S. C. Warren, F. J. DiSalvo, U. Wiesner.  Nanoparticle-tuned assembly and disassembly of mesostructured silica hybrids.  Nat. Mater. 6, 156-161 (2007). This was highlighted by A. Balazs in Nat. Mater., News and Views, “Nanocomposites: economy at the nanoscale,” 6, 94-95 (2007).

Assembly and disassembly

 

S. C. Warren, M. J. Banholzer, L. S. Slaughter, E. P. Giannelis, F. J. DiSalvo, U. Wiesner.  Generalized route to metal nanocrystals with liquid behavior.  J. Am. Chem. Soc. 128, 12074-12075 (2006).

**This was highlighted in Science, Editor’s Choice, “Flowing precious metals,” 313, 1542 (2006).

Liquid NPs

 

C. Roychowdhury, F. Matsumoto, V. B. Zeldovich, S. C. Warren, P. F. Mutolo, M. Ballesteros, U. Wiesner, H. D. Abruña, F. J. DiSalvo.  Synthesis, characterization, and electrocatalytic activity of PtBi and PtPb nanoparticles prepared by borohydride reduction in methanol.  Chem. Mater. 18, 3365-3372 (2006).

PtBi nanoparticles