Chem. J. Chinese Universities ›› 2026, Vol. 47 ›› Issue (7): 20260039.doi: 10.7503/cjcu20260039
• Articles: Inorganic Chemistry • Previous Articles Next Articles
LI Xin, LV Ze, ZHONG Yi, XU Hong, MAO Zhiping, ZHANG Linping(
)
Received:2026-01-20
Online:2026-07-10
Published:2026-03-25
Contact:
ZHANG Linping
E-mail:zhang_lp@dhu.edu.cn
Supported by:CLC Number:
TrendMD:
LI Xin, LV Ze, ZHONG Yi, XU Hong, MAO Zhiping, ZHANG Linping. Preparation of Ligand-functionalized MIL-101(Fe) MOFs and Their Photocatalytic Performance for CO2 Reduction[J]. Chem. J. Chinese Universities, 2026, 47(7): 20260039.
| Photocatalyst | Measured value(%) | Theoretical value(%) | Structural formula | ||||
|---|---|---|---|---|---|---|---|
| C | H | N | C | H | N | ||
| NH2⁃MIL⁃101(Fe) | 33.20 | 3.91 | 5.69 | 32.90 | 3.48 | 5.68 | C24H19ClO18N3Fe3 |
| CH3O⁃MIL⁃101(Fe) | 36.81 | 3.95 | 2.10 | 36.51 | 3.90 | 2.58 | C27H22ClO21Fe3 |
| MIL⁃101(Fe) | 38.66 | 4.29 | 4.08 | 38.48 | 4.31 | 4.99 | C24H16ClO18Fe3 |
| Br⁃MIL⁃101(Fe) | 30.00 | 2.54 | 1.29 | 30.12 | 2.44 | 1.34 | C24H13ClO18Br3Fe3 |
| NO2⁃MIL⁃101(Fe) | 29.01 | 3.69 | 4.99 | 29.09 | 3.66 | 5.65 | C24H13ClO24N3Fe3 |
Table 1 Elemental analysis(mass fraction) for MIL-101(Fe) and ligand-modified X-MIL-101(Fe)(X=NH2, CH3O, Br, NO2)
| Photocatalyst | Measured value(%) | Theoretical value(%) | Structural formula | ||||
|---|---|---|---|---|---|---|---|
| C | H | N | C | H | N | ||
| NH2⁃MIL⁃101(Fe) | 33.20 | 3.91 | 5.69 | 32.90 | 3.48 | 5.68 | C24H19ClO18N3Fe3 |
| CH3O⁃MIL⁃101(Fe) | 36.81 | 3.95 | 2.10 | 36.51 | 3.90 | 2.58 | C27H22ClO21Fe3 |
| MIL⁃101(Fe) | 38.66 | 4.29 | 4.08 | 38.48 | 4.31 | 4.99 | C24H16ClO18Fe3 |
| Br⁃MIL⁃101(Fe) | 30.00 | 2.54 | 1.29 | 30.12 | 2.44 | 1.34 | C24H13ClO18Br3Fe3 |
| NO2⁃MIL⁃101(Fe) | 29.01 | 3.69 | 4.99 | 29.09 | 3.66 | 5.65 | C24H13ClO24N3Fe3 |
| Photocatalyst | SBET/(m2·g-1) | Pore volume/(cm3·g-1) | Pore diameter/nm |
|---|---|---|---|
| NH2⁃MIL⁃101(Fe) | 595 | 0.63 | 0.93 |
| CH3O⁃MIL⁃101(Fe) | 443 | 0.14 | 1.15 |
| MIL⁃101(Fe) | 275 | 0.12 | 1.26 |
| Br⁃MIL⁃101(Fe) | 373 | 0.18 | 1.42 |
| NO2⁃MIL⁃101(Fe) | 411 | 0.20 | 1.27 |
Table 2 Specific surface area, pore volume and pore diameter of MIL-101(Fe) and X-MIL-101(Fe)(X=NH2, CH3O, Br, NO2)
| Photocatalyst | SBET/(m2·g-1) | Pore volume/(cm3·g-1) | Pore diameter/nm |
|---|---|---|---|
| NH2⁃MIL⁃101(Fe) | 595 | 0.63 | 0.93 |
| CH3O⁃MIL⁃101(Fe) | 443 | 0.14 | 1.15 |
| MIL⁃101(Fe) | 275 | 0.12 | 1.26 |
| Br⁃MIL⁃101(Fe) | 373 | 0.18 | 1.42 |
| NO2⁃MIL⁃101(Fe) | 411 | 0.20 | 1.27 |
| Photocatalyst | Light source | Solvent | Sacrificial | Generation rate of HCOOH/ (μmol·g-1·h-1)(selectivity, %) | Ref. |
|---|---|---|---|---|---|
| NH2⁃MIL⁃101(Fe) | 300 W Xe lamp | H2O | TEOA | 42.61(100) | This work |
| NH2⁃MIL⁃125(Ti) | 300 W Xe lamp(420—800 nm) | MeCN | TEOA | 16.28(100) | [ |
| PCN⁃222 | 300 W Xe lamp(420—800 nm) | MeCN | TEOA | 60(100) | [ |
| Eu⁃Ru(phen)3⁃MOF | 300 W Xe lamp(420—800 nm) | MeCN | TEOA | 94(100) | [ |
| PFC⁃58⁃30 | 300 W Xe lamp(λ>400 nm) | H2O | No | 29.8(80) | [ |
| NNU⁃31⁃Ni | 300 W Xe lamp(λ ≥ 420nm) | H2O | No | 26.3(100) | [ |
| FeTCP⁃OH⁃Co | 300 W Xe lamp(λ ≥ 420nm) | H2O | No | 17.72(>97) | [ |
Table 3 Comparison of photocatalytic performance of NH2‑MIL‑101(Fe) with the reported work
| Photocatalyst | Light source | Solvent | Sacrificial | Generation rate of HCOOH/ (μmol·g-1·h-1)(selectivity, %) | Ref. |
|---|---|---|---|---|---|
| NH2⁃MIL⁃101(Fe) | 300 W Xe lamp | H2O | TEOA | 42.61(100) | This work |
| NH2⁃MIL⁃125(Ti) | 300 W Xe lamp(420—800 nm) | MeCN | TEOA | 16.28(100) | [ |
| PCN⁃222 | 300 W Xe lamp(420—800 nm) | MeCN | TEOA | 60(100) | [ |
| Eu⁃Ru(phen)3⁃MOF | 300 W Xe lamp(420—800 nm) | MeCN | TEOA | 94(100) | [ |
| PFC⁃58⁃30 | 300 W Xe lamp(λ>400 nm) | H2O | No | 29.8(80) | [ |
| NNU⁃31⁃Ni | 300 W Xe lamp(λ ≥ 420nm) | H2O | No | 26.3(100) | [ |
| FeTCP⁃OH⁃Co | 300 W Xe lamp(λ ≥ 420nm) | H2O | No | 17.72(>97) | [ |
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