TY - JOUR AU - Ryan Nieuwendaal AU - Hyun AU - David Germack AU - Regis Kline AU - Calvin Chan AU - Amit Agrawal AU - David Gundlach AU - David VanderHart AU - Dean DeLongchamp C2 - Advanced Functional Materials DA - 2012-03-21 LA - en PB - Advanced Functional Materials PY - 2012 TI - Measuring domain sizes and compositional heterogeneities in P3HT-PCBM bulk heterojunction thin films with 1H spin diffusion NMR spectroscopy UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=908099 ER -