Hao Zhang

ORCID: 0000-0001-9929-7999
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About
Contact & Profiles
Research Areas
  • Perovskite Materials and Applications
  • 2D Materials and Applications
  • Electronic and Structural Properties of Oxides
  • Quantum Dots Synthesis And Properties
  • Solid-state spectroscopy and crystallography

Rice University
2023-2024

We present a design strategy for fabricating ultrastable phase-pure films of formamidinium lead iodide (FAPbI 3 ) by lattice templating using specific two-dimensional (2D) perovskites with FA as the cage cation. When pure FAPbI precursor solution is brought in contact 2D perovskite, black phase forms preferentially at 100°C, much lower than standard annealing temperature 150°C. X-ray diffraction and optical spectroscopy suggest that resulting film compresses slightly to acquire (011)...

10.1126/science.abq6993 article EN Science 2024-06-13
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