Response to Comment on “Eppur si Muove: Proton Diffusion in Halide Perovskite Single Crystals”: Measure What is Measurable, and Make Measurable What is Not So: Discrepancies between Proton Diffusion in Halide Perovskite Single Crystals and Thin Films

• Published in: Advanced materials (Weinheim) Vol. 33; no. 35; pp. e2102822 - n/a
• Main Authors: Ceratti, Davide Raffaele, Zohar, Arava, Hodes, Gary, Cahen, David
• Format: Journal Article
• Language: English
• Published: Weinheim Wiley Subscription Services, Inc 01.09.2021
• Subjects: Crystal defects; Crystallites; deuteration; Deuterium; Diffusion; Diffusion coefficient; halide perovskites; ion diffusion; Perovskites; proton diffusion; Protons; Single crystals; Statistical analysis; Thin films

Buffeteau et al. note that the proton diffusion coefficient in MAPbI3 that is deduced (by the authors) from results, obtained by a suite of complementary techniques, on a large number of single crystals (Adv. Mater. 2020, 32, 2002467) is 5 orders of magnitude higher than what is estimated (by them)...