Michael Grätzel联合Lyndon Emsley课题组采用固态NMR证明了（金刚烷-1-基）甲基铵的A2FAn-1PbnI3n+1分层杂化钙钛矿的超分子工程的情况，其表现出与结构适应性互补的范德华相互作用。在空气环境制备的电池效率超过 7％，并且在潮湿环境条件下表现出高稳定性。Milić, J. V.; Im, J.-H.; Kubicki, D. J.; Ummadisingu, A.; Seo, J.-Y.; Li, Y.; Ruiz-Preciado, M. A.; Dar, M. I.; Zakeeruddin, S. M.; Emsley, L.; Grätzel, M. Supramolecular Engineering for Formamidinium-Based Layered 2D Perovskite Solar Cells: Structural Complexity and Dynamics Revealed by Solid-State NMR Spectroscopy. Adv. Energy Mater. Doi:10.1002/aenm.201900284.https://doi.org/10.1002/aenm.201900284