• Aaron Rossini
  Iowa State University, USA
   
• Vladimir Michaelis
  University of Alberta, CA
   
• Martin Dove
  Queen Mary University of London, UK
   
• Andrew Goodwin
  University of Oxford, UK
   
• Karen Johnson
  Durham University, UK
   
• Simon Billinge
  Columbia University &Brookhaver National Laboratory, USA
   
• Laura Piveteau
  French National Centre for Scientific Research, FR
   
• Michael Hope
  Swiss Federal Institute of Technology Lausanne, CH
   
• Jeongjae Lee
  Seoul National University, KR
   
• Yefeng Yao
  East China Normal University, CN
   
• Helen Grueninger
  Radboud University, NL
   
• Alex Forse
  University of Cambridge
   
• Douglas Fabini
  Max Planck Institute for Solid State Research, DE
   
• G.N. Manjunatha Reddy
  University of Lille, FR

The Atomic-level characterization of hybrid perovskites conference (HPATOM) took place on January the 26th & 28th 2021.

Characterization of new materials at multiple length-scales is essential for understanding structure-property relationships, application in devices and commercialization. While long-range order can be approached using diffraction techniques, atomic-level structure is more challenging to elucidate. The main objective of this conference is to bring together experts working on various aspects of local structure determination (disorder, phase segregation, flexibility, the effect of dynamics) in the context of halide perovskites and related materials for energy applications. The key techniques allowing insight into these aspects include solid-state NMR, total scattering methods and nanoscale imaging. The main challenges in the materials developed today include elucidation whether different component can mix in the ionic perovskite structure to form solid solutions with modified optoelectronic properties, speciation of additives, mechanisms of interfacial passivation, degradation processes and dynamics of the various components. We intend this conference as a means of reviewing the progress in local structure determination in halide perovskite materials to date as well as identifying new challenges across the board. We envisage it as a forum allowing transfer of knowledge between colleagues from different backgrounds and leading to new exciting ideas, collaborations and conceptual breakthroughs.

Parth Raval
UCCS, University of Lille

Presenting: Understanding Moisture Stability of Crystalline and Defect Passivated Mathylammonium Lead Iode Perovskites


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