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CuI – A good solution for cost and stability
Texas State
University
Department of Physics
✅
Large bandgap: 𝐸$ = 3.1 𝑒𝑉
✅
High RT conductivity: 𝜎 = 156 𝑆 𝑐𝑚"%
✅
High hole mobility: 𝜇 > 40 𝑐𝑚# 𝑉"% 𝑠"#
✅
Non-toxic
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Inexpensive precursors
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Less expensive than Spiro-OMETAD
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Non-porous/dense
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Comparable lattice constant to CsPbBr3
:
CuI = 6.05 Å, CsPbBr3
= 5.83 Å
Cu I
1. C. Yang, M. Kneiβ, M. Lorenz, and M. Grundmann, Proc. Natl. Acad. Sci. U. S. A. 113, 12929 (2016).
2. D. Chen, Y. Wang, Z. Lin, J. Huang, X. Chen, D. Pan, and F. Huang, Cryst. Growth Des. 10, 2057 (2010).
3. C Swartz et. al. Phys. Status Solidi A, 218, 2000721 (2021)
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