Journal of Inorganic Materials, Volume. 40, Issue 5, 457(2025)
Figures & Tables(14)
3. TEM images of Fe-nHAP (150 ℃, 3 h, 0-10%Fe) with insets showing corresponding HRTEM images
4. (a) UV absorption performance of 1%Fe-nHAP prepared under different temperatures; (b) UV absorption performance of 1%Fe-nHAP prepared for different time; (c) Relationship between crystallinity and UV absorption performance of 1%Fe-nHAP
5. (a) UV absorption performance of different materials; (b) Effect of iron doping ratio on crystallinity and UV absorption performance of Fe-nHAP; (c) Tauc curves of different materials
Table 1. Lattice parameters, volumes, crystallinities, and grain sizes of Fe-nHAP prepared under different temperatures (T)
View tableView in ArticleTable 1. Lattice parameters, volumes, crystallinities, and grain sizes of Fe-nHAP prepared under different temperatures (T)
T/℃ a-axis/Å c-axis/Å Volume/Å3 Crystallinity/% D(002)/nm D(310)/nm 37 9.39411 6.80010 525.23 19.56 43.50 20.11 60 9.39522 6.80268 525.54 21.25 49.66 20.30 80 9.39580 6.82520 525.46 25.56 54.33 20.33 100 9.39954 6.84554 526.65 30.77 57.28 21.05 150 9.40185 6.86230 526.90 32.00 61.50 25.49
Table 2. Lattice parameters, volumes, crystallinities, and grain sizes of Fe-nHAP prepared for different time
View tableView in ArticleTable 2. Lattice parameters, volumes, crystallinities, and grain sizes of Fe-nHAP prepared for different time
Time/h a-axis/Å c-axis/Å Volume/Å3 Crystallinity/% D(002)/nm D(310)/nm 0.5 9.32063 6.77150 525.11 16.77 46.72 23.05 1 9.32145 6.79534 525.45 20.70 49.52 23.21 3 9.32498 6.82841 526.55 32.13 61.08 25.44 5 9.32705 6.83254 526.73 33.06 62.01 25.54
Table 3. Lattice parameters, volumes, crystallinities, and grain sizes of Fe-nHAP with Fe doped at different molar ratios
View tableView in ArticleTable 3. Lattice parameters, volumes, crystallinities, and grain sizes of Fe-nHAP with Fe doped at different molar ratios
Sample a-axis/Å c-axis/Å Volume/Å3 Crystallinity/% D(002)/nm D(310)/nm nHAP 9.33129 6.70756 527.13 43.92 70.79 31.45 0.3%Fe-nHAP 9.33089 6.70422 526.85 38.71 65.22 26.68 1%Fe-nHAP 9.32652 6.70033 526.21 32.04 61.12 25.44 3%Fe-nHAP 9.32421 6.69054 526.06 32.10 60.46 25.29 7%Fe-nHAP 9.32056 6.68135 525.98 30.36 56.23 25.10 10%Fe-nHAP 9.32001 6.68045 525.73 27.77 55.28 25.12
Table 4. Elemental composition (%, mass fraction) of Fe-nHAP (150 ℃, 3 h, 0-10%Fe)
View tableView in ArticleTable 4. Elemental composition (%, mass fraction) of Fe-nHAP (150 ℃, 3 h, 0-10%Fe)
Element nHAP 0.3%Fe-nHAP 1%Fe-nHAP 3%Fe-nHAP 7%Fe-nHAP 10%Fe-nHAP Ca 37.11176 38.84537 38.44196 37.46884 34.68688 32.83218 P 17.12133 18.47263 18.33874 18.44668 18.06182 17.50755 Fe 0.00589 0.22444 0.69487 2.04870 4.65011 6.35854
Table 5. Test results of Fe-nHAP on 4 heavy metals and 5 microorganisms
View tableView in ArticleTable 5. Test results of Fe-nHAP on 4 heavy metals and 5 microorganisms
Test item Concentration/ (mg·kg-1) Limit/ (mg·kg-1) Hg 0.002 1 Pb 0.05 10 As 0.01 2 Cd 0.18 5 Total colony count - 500 Yeasts and molds count - 100 T-E. coli - 0 Staphylococcus aureus - 0 Pseudomonas aeruginosa - 0
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Ran AN, Si LIN, Shigang GUO, Chong ZHANG, Shun ZHU, Yingchao HAN.
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Received: Sep. 18, 2024
Accepted: --
Published Online: Sep. 2, 2025
The Author Email: Yingchao HAN (hanyingchao@whut.edu.cn)
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