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. 2021 Oct 11;12:5921. doi: 10.1038/s41467-021-26257-0

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© The Author(s) 2021, corrected publication 2021

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Fig. 3 — C₃H₆-TPRS (8% C₃H₆ in Ar) and C₃H₆ + O₂-TPRS (8% C₃H₆ + 4% O₂ in Ar) of a c-Cu₂O-27 and b d-Cu₂O-439 NCs. DRIFTS spectra of C₃H₆ (P_C3H6 = 50 Pa) and C₃H₆ + O₂ (P_C3H6 = 50 Pa, P_O2 = 25 Pa) adsorption on c-Cu₂O-27 NCs at c 25, d 90, and e 150 °C.