Fig. 1. Preparation process and morphology test results of MoS₂/LTO composite. (a) Preparation process of MoS₂/LTO composite; (b) SEM and (c) TEM images of LTO; (d) TEM image of MoS₂; (e) SEM, (f) TEM, (g) HRTEM, and (h) EDS element distribution images of MoS₂/LTO

Fig. 2. Chemical and phase composition test results of LTO, MoS₂, and MoS₂/LTO. (a) XRD patterns; (b)(c) XRD patterns of MoS₂/LTO with different MoS₂ mass fractions; (d) XPS survey spectra of MoS₂/LTO; high-resolution XPS spectra of (e) Mo 3d, (f) S 2p, (g) La 3d, (h) Ti 2p, and (i) O 1s

Fig. 3. Band structure test and theoretical calculation results of LTO, MoS₂, and MoS₂/LTO. (a) UV-vis DRS; (b) Tauc plots and (c) Mott‒Schottky plots of LTO and MoS₂; band structures and density of states of (d)(e) LTO and (f)(g) MoS₂; average electrostatic potential of (h) LTO (010), (i) LTO (012), and (j) MoS₂ (001)

Fig. 4. Photocatalytic performance test results. (a) Photocatalytic H₂ production performance of different samples; (b) comparison of H₂ production rates of MoS₂/LTO with different MoS₂ mass fractions; (c) AQE and UV-vis DRS of MoS₂/LTO; (d) cycling H₂ production performance of recycled MoS₂/LTO

Fig. 5. Electrochemical test and theoretical calculation results. (a) EIS Nernst curves and (b) I-t plots of LTO and MoS₂/LTO; differential charge density and plane-averaged differential charge density along the Δρ(Z) direction of (c)(e) MoS₂(001)/LTO(010) and (d)(f) MoS₂(001)/LTO(012) heterojunctions

Fig. 6. Separation and transfer processes of photo-generated electrons (e^-) and holes (h⁺) in the MoS₂/LTO heterostructure