Figure 2.
UV/Vis DRS and PL spectra of Cs3Bi2Br9/SBA‐15 samples. a) Light absorption of Cs3Bi2Br9/SBA‐15 with different loadings, bare SBA‐15 and bulk Cs3Bi2Br9. b) PL spectra of supported and bulk Cs3Bi2Br9.
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