Journal of Synthetic Crystals, Volume. 54, Issue 7, 1282(2025)
Growth and Optical Properties Modulation of I- Doped Cs3Bi2Br9 Crystals
Fig. 2. XRD patterns of Cs3Bi2I x Br9-x crystals, pure-phase Cs3Bi2Br9 crystals and standard PDF cards
Fig. 3. SEM and EDS images of Cs3Bi2I x Br9-x crystals. (a) SEM image of Cs3Bi2I x Br9-x; (b) EDS map of Cs elements; (c) EDS map of I element; (d) EDS map of Bi elements; (e) EDS map of Br elements; (f) surface element distribution of Cs3Bi2I x Br9-x crystal
Fig. 5. UV absorption spectra and band gaps patterns of Cs3Bi2Br9 and Cs3Bi2I x Br9-x crystals. (a) UV absorption spectra of Cs3Bi2Br9 crystals; (b) band gaps of Cs3Bi2Br9 crystals; (c) UV absorption spectra of Cs3Bi2I x Br9-x crystals; (d) band gaps of Cs3Bi2I x Br9-x crystals
Fig. 6. Photoluminescence spectra of Cs3Bi2Br9 crystal and Cs3Bi2I x Br9-x crystal
Fig. 7. CIE diagram of Cs3Bi2Br9 crystal and Cs3Bi2I x Br9-x crystal
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Sixian CHEN, Le XU, Yuanzhi TANG, Haibin SUN, Xue GUO, Yurun FENG, Qiangqiang HU. Growth and Optical Properties Modulation of I- Doped Cs3Bi2Br9 Crystals[J]. Journal of Synthetic Crystals, 2025, 54(7): 1282
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Received: Apr. 15, 2025
Accepted: --
Published Online: Aug. 28, 2025
The Author Email: Qiangqiang HU (huqq@sdut.edu.cn)