RAP opportunity at National Institute of Standards and Technology NIST
Measuring morphology, dynamics, and transport in polymers with advanced NMR methods
Location
Material Measurement Laboratory, Materials Science and Engineering Division
opportunity location
50.64.21.C0301 Gaithersburg, MD
NIST only participates in the February and August reviews.
Advisers
name email phone
Ryan Christian Nieuwendaal [email protected] 301.975.6766
Christopher M. Stafford [email protected] 301.975.4368
Description
Polymers that exhibit tailorable transport behavior upon swelling are desirable for a number of applications in water filtration, chemical separations, and fuel cells. Toward those ends, we are developing chemically-specific quantitative NMR measurement tools that can elucidate local morphologies, segmental dynamics, and low molar mass transport in complex soft matter. We utilize (1) spin diffusion and REDOR MAS methods for local structures, (2) field cycling NMR, separated local field spectroscopy, and CODEX methods for dynamics on micro/milli-second timescales, and (3) pulsed field gradient NMR for chemically-specific transport on micron length scales.
key words
Polymers; Solid-state NMR; Diffusometry; Relaxometry; Segmental dynamics; Transport; Morphologies; Water filtration membranes; Fuel cells
Eligibility
Citizenship: Open to U.S. citizens
Level: Open to Postdoctoral applicants
Stipend
Base Stipend Travel Allotment Supplementation
$82,764.00 $3,000.00
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