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Search Publications by: Christopher Soles (Fed)

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Displaying 51 - 75 of 334

Elemental Sulfur and Molybdenum Disulfide Composites for Li-S Batteries with Long Cycle Life and High-Rate Capability

May 12, 2016
Author(s)
Vladimir P. Oleshko, Christopher L. Soles, Philip T. Dirlam, Jungjin Park, Adam G. Simmonds, Kenneth Domanik, Kookheon Char, Richard Glass, Nicola Pinna, Yung-Eun Sung
The development of next-generation battery systems beyond Li-ion technology remains a crucial challenge in accommodating the evolving energy storage demands presented by electric vehicles and efficient storage of energy from intermittent renewable sources

Structural origins of enhanced capacity retention in novel copolymerized sulfur-based composite cathodes for high-energy density Li-S batteries

September 17, 2015
Author(s)
Vladimir P. Oleshko, Jenny J. Kim, Jennifer L. Schaefer, Steven D. Hudson, Christopher L. Soles, Adam Simmonds, Jared Griebel, Kookheon Char, Jeff Pyun
Poly(sulfur-random-(1,3-diisopropenylbenzene) (poly(S-r-DIB)) copolymers synthesized via inverse vulcanization form high molecular mass electrochemically active polymers capable of realizing enhanced capacity retention (1005 mAh/g at 100 cycles) and

Understanding the Decreased Segmental Dynamics of Supported Thin Polymer Films Reported by Incoherent Neutron Scattering

February 10, 2015
Author(s)
Changhuai Ye, Clinton G. Wiener, Madhu Sudan Tyagi, David Uhrig, Sara Orski, Christopher Soles, Bryan D. Vogt, David S. Simmons
Incoherent neutron scattering (INS) has commonly reported a suppression of segmental dynamics for supported thin polymer films as thickness is decreased, which is counter to expectations based on other measurement techniques such as ellipsometry and

Inverse Vulcanization of Elemental Sulfur to Prepare Polymeric Electrode Materials for Li-S Batteries

February 20, 2014
Author(s)
Christopher L. Soles, Vladimir P. Oleshko, Jenny J. Kim, Adam Simmonds, Jared Griebel, Jeff Pyun, Jungjin Park, Woo Jin Chung, Woo Tae Kim, Richard Glass, Yung-Eun Sun, Kookheon Char
Sulfur-rich copolymers were synthesized via inverse vulcanization to create electroactive cathode materials for lithium-sulfur battery applications. These materials exhibit enhanced capacity retention (1005 mAh/g at 100 cycles) and extended battery

Cubic Silsesquioxanes as Tunable High Performance Coating Materials

June 19, 2013
Author(s)
Christopher Soles, Hyun W. Ro, Aaron M. Forster, Dave J. Krug, Vera Popova, Richard M. Laine
In this manuscript a series of cubic silsequioxane monomers with their eight vertices functionalized with different organic ligands terminated with triethoxysilane groups were acid hydrolyzed, spin cast into thin films, and then vitrified into hard

Organosilicate Polymer E-Beam Resists with High Resolution, Sensitivity and Stability

February 28, 2013
Author(s)
Christopher Soles, Richard Kasica, Hae-Jeong Lee, Jae H. Sim, Sung-Il Lee, Ki-Bum Kim, Hyun-Mi Kim, Do Y. Yoon
Hydrogen silsesquioxane (HSQ) is an attractive electron-beam (e-beam) resist for sub-20 nm lithography due to its high resolution, excellent line-edge-roughness (LER), and good plasma etch resistance. However, the sensitivity and long-term stability of HSQ

Capillary Wave Dynamics of Thin Polymer films over Submerged Nanostructures

November 16, 2012
Author(s)
Christopher L. Soles, Hyun W. Ro, K. J. Alvine, Oleg Shpyrko, Yenling Dai, Alec Sandy, Suresh Narayanan
The surface dynamics of thin molten polystyrene films supported by nanoscale periodic silicon line-space gratings were investigated with X-ray photon correlation spectroscopy. Surface dynamics over these nanostructures exhibit high directional anisotropy

Anisotropic, Hierarchical Surface Patterns via Surface Wrinkling of Nanoimprinted Polymer Films

October 22, 2012
Author(s)
Junghyun Lee, Hyun W. Ro, Rui Huang, Thomas Germer, Paul Lemaillet, Christopher Soles, Christopher Stafford
we demonstrated the wrinkling behavior of nanopatterned PS films, whose wrinkle wavelength and resultant morphology depend strongly on geometric parameters of surface patterns as well as the direction of the applied strain relative to the nanopattern