TY - JOUR AU - Nieuwendaal, Ryan AU - DeLongchamp, Dean AU - Heeney, Martin AU - Hummelen, Jan AU - Snyder, Chad AU - Jones, Ronald AU - Engmann, Sebastian AU - Richter, Lee AU - Fei, Zhuping AU - Sieval, Alex C2 - Physical Review Letters DA - 2018-07-13 DO - https://doi.org/10.1103/PhysRevLett.121.026101 LA - en M1 - 121 PB - Physical Review Letters PY - 2018 TI - Characterization of Interfacial Structure in Polymer-Fullerene Bulk Heterojunctions via 13C {2H} Rotational Echo Double Resonance NMR ER -