TY - JOUR AU - Ryan Nieuwendaal AU - Chad Snyder AU - Regis Kline AU - Eric Lin AU - David VanderHart AU - Dean DeLongchamp C2 - Chemistry of Materials DA - 2010-04-05 LA - en PB - Chemistry of Materials PY - 2010 TI - Measuring the extent of phase separation in P3HT/PCBM photovoltaic blends with 1H spin diffusion NMR spectroscopy ER -