Chinese Journal of Catalysis ›› 2026, Vol. 80: 159-173.DOI: 10.1016/S1872-2067(25)64879-0
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Shaodan Wanga, Heng Yangb, Lijun Xuea, Jianjun Zhangc,*(
), Shuxin Ouyanga, Lili Wena,*(
)
Received:2025-07-29
Accepted:2025-09-05
Online:2026-01-05
Published:2026-01-05
Contact:
Jianjun Zhang, Lili Wen
Supported by:Shaodan Wang, Heng Yang, Lijun Xue, Jianjun Zhang, Shuxin Ouyang, Lili Wen. S-scheme heterojunctions of metal-doped ZnIn2S4/TpPa-1: Regulating H adsorption/desorption and internal electric field for boosted dual-functional photocatalysis[J]. Chinese Journal of Catalysis, 2026, 80: 159-173.
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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(25)64879-0
Fig. 1. (a) The calculated Gibbs free energy for H adsorption (ΔGH*) for ZIS, Ni-ZIS and Mo-ZIS. (b) The p-band centers for S 3p of ZIS, Ni-ZIS and Mo-ZIS. (c) COHP calculations of ZIS, Ni-ZIS and Mo-ZIS. (d) Schematic diagram illustrates of the bond formation between the active sulfur sites and Hads.
Fig. 2. SEM images (a,f), TEM images (b,c,g,h), HRTEM images (d,i), and HADDF-STEM, EDS mapping images (e,j) of Mo0.01-ZIS/TpPa-1 and Ni0.048-ZIS/TpPa-1 composites, respectively.
Fig. 3. (a) The XPS survey spectra of TpPa-1, ZIS, Mo0.01-ZIS, Mo0.01-ZIS/TpPa-1, Ni0.048-ZIS and Ni0.048-ZIS/TpPa-1. The high-resolution XPS spectra of C 1s (b), N 1s (c), S 2p (d), In 3d (e) and Zn 2p (f).
Fig. 5. The steady-state PL spectra (λex = 380 nm) (a), time-resolved PL spectra (b), Nyquist plots of EIS (c) and transient photocurrent response (d) of synthetized samples.
Fig. 6. 2D pseudocolor TA spectra of ZIS/TpPa-1 (a), Ni0.048-ZIS/TpPa-1 (d) and Mo0.01-ZIS/TpPa-1 (g) using a 340 nm pump pulse. TA spectra of ZIS/TpPa-1 (b), Ni0.048-ZIS/TpPa-1 (e) and Mo0.01-ZIS/TpPa-1 (h) at indicated time delays. GSB recovery kinetics of ZIS/TpPa-1 (c) probed at 390 nm, Ni0.048-ZIS/TpPa-1 probed at 400 nm (f) and Mo0.01-ZIS/TpPa-1 (i) probed at 410 nm within 100 ps.
Fig. 7. Schematic illustration of the S-scheme charge transfer mechanism in ZIS/TpPa-1 (a), Ni0.048-ZIS/TpPa-1 (b), and Mo0.01-ZIS/TpPa-1 (c) for photocatalytic H2 evolution and benzylamine oxidation. The calculated 3D charge density difference of ZIS/TpPa-1 (d), Ni-ZIS/TpPa-1 (e), and Mo-ZIS/TpPa-1 (f). The yellow and cyan areas indicate electron accumulation and depletion, respectively.
Fig. 8. The time-dependent H2 production (a) and N-benzylidenebenzylamine production (b) curves. (c) The photocatalytic performance of different samples. (d) The AQE values of Mo0.01-ZIS/TpPa-1 and Ni0.048-ZIS/TpPa-1. (e) The comparison of photocatalytic activities for H2 production coupled with benzylamine oxidation with different catalysts. (f) The effect of various active species on the photocatalytic performance of Mo0.01-ZIS/TpPa-1. (g) EPR spectra of DMPO-PhCH2NH2?+ from the photocatalytic system with benzylamine. (h) Schematic diagram of the dual-functional photocatalytic mechanism for simultaneous H2 production and benzylamine oxidation on M-ZIS/TpPa-1.
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