Acta Phys. -Chim. Sin. ›› 2026, Vol. 42 ›› Issue (5): 100202.doi: 10.1016/j.actphy.2025.100202
• ARTICLE • Previous Articles Next Articles
Surface doping of graphene into BiOCl for efficient photocatalytic amine coupling under visible light
Xiaofei Zhang1, Shanhao Xu1, Zhiyuan Wang1, Long He1, Tiancheng Huang1, Yongming Xu2, Yucui Bian1, Yike Li1,*(
), Haijun Chen1,*(), Zhongjun Li1
- 1 College of Chemistry, Zhengzhou University, Zhengzhou 450001, Henan Province, China
2 Technology Center, China Tobacco Henan Industrial Co. Ltd., Zhengzhou 450000, Henan Province, China
-
Received:2025-08-17Revised:2025-10-18Accepted:2025-10-19Published:2026-01-23 -
Contact:Email: chenhaijun@zzu.edu.cn (Haijun Chen)liyike@zzu.edu.cn (Yike Li)
Cite this article
Xiaofei Zhang, Shanhao Xu, Zhiyuan Wang, Long He, Tiancheng Huang, Yongming Xu, Yucui Bian, Yike Li, Haijun Chen, Zhongjun Li. Surface doping of graphene into BiOCl for efficient photocatalytic amine coupling under visible light[J]. Acta Phys. -Chim. Sin. 2026, 42(5), 100202. doi: 10.1016/j.actphy.2025.100202
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Fig 1
TEM images of BOC (a), C-BOC-3 (b). HRTEM image (c) and corresponding Fourier transform diagram (d) of C-BOC-3. SEM image (e) and (f) element mapping of C-BOC-3."
Fig 2
XPS spectra of BOC and C-BOC-3: (a) Bi, (b) O, (c) Cl and (d) C. (e) Raman spectra of BOC, C-BOC-2, C-BOC-3, and C-BOC-4. (f) UV-vis DRS and (g) the photographs of the synthesized catalysts."
Table 1
Photocatalytic oxidation of benzylamine with different catalysts a."
| Entry | Catalyst | Conversion (%) | Selectivity (%) |
| 1 | No catalyst | 0 | |
| 2 b | C-BOC-3 | 2 | 99 |
| 3 c | C-BOC-3 | 17 | 99 |
| 4 d | C-BOC-3 | 88 | 99 |
| 5 | C-BOC-3 | 99 | 99 |
| 6 | BOC | 8 | 99 |
Fig 3
Time response curve (a) and reaction kinetic (b) of C-BOC-3 photocatalytic oxidation of benzylamine. (c) The effect of carbon dopant content on the catalytic performance of C-BOC. Conditions: 10 mg of catalyst, 0.2 mmol of benzylamine, 0.12 mmol of dodecane, 3 mL of acetonitrile, 1 atm of O2, 455 nm LEDs, room temperature, 1.5 h. (d) The catalytic performance of BOC and C-BOC with different crystal faces. Conditions: same as (c) except reaction time was 1 h."
Fig 4
KPFM images at the surface potential mode for BOC (a) and C-BCO (c) and the corresponding electrical surface potential profiles along the line (b), (d), respectively."
Fig 5
Contour plots and spectra at different delay time for the fs-TA spectra of BOC (a, b) and BOC-3 (d, e) under the pump excitation of 350 nm, respectively, and the corresponding decay dynamics monitored under 635 nm (c, f)."
Fig 6
Structural models of C-BOC (a, b) and BOC (d, e). The calculated work functions of C-BOC (c) and BOC (f)."
Fig 7
Instantaneous photocurrent spectrum (a), impedance spectra (b), and photoluminescence (c) of BOC and C-BOC-3 catalyst. (d) The effect of free radical scavenger on the photocatalytic activity. Conditions: 10 mg catalyst, 0.2 mmol substrate, 0.12 mmol dodecane, 3 mL acetonitrile, 1 atm O2, 455 nm LEDs, room temperature, 1 h."
Fig 8
The optimized O2 adsorption model of C-BOC (a) and BOC (d). Differential charge density of O2 adsorption on C-BOC (b, c) and BOC (e, f). Blue and yellow represent electron depletion and electron accumulation with the isosurface value of 0.003 e Bohr−3, respectively."
Fig 9
Mechanism of selective oxidation of benzylamine to imine over C-BOC photocatalyst."
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