Solid solution photocatalysts with well-tailored electronic structures are important candidates for high-performance photocatalytic hydrogen evolution reaction (HER). Although a few kinds of solid solution photocatalysts have been developed for photocatalytic HER, no phosphorous sulfide solid solutions have been used in this field. Herein, the preparation of a series of visible-light-responsive gallium phosphide–zinc sulfide (GaP–ZnS) solid solutions is presented capable of driving photocatalytic HER for the first time. It is found that the electronic structures of the GaP–ZnS solid solutions can be well regulated by tuning the compositions of the GaP and ZnS components. The optimum GaP–ZnS solid solution exhibits 4.3 times higher photocatalytic HER activity than GaP under visible light irradiation, which is ascribed to the contribution of the different elements that modulate the electronic structures. Graphical Phosphorus sulfide solid solution photocatalysts gallium phosphide–zinc sulfide (GaP–ZnS) are found to be capable of realizing visible-light-driven photocatalytic hydrogen evolution reaction for the first time. Moreover, the GaP–ZnS solid solutions exhibit higher photocatalytic activities than both GaP and ZnS.
An optimal structure design of the lattice mismatched GaInP/GaInAs/Ge solar cell with high photoelectric conversion efficiency was proposed. Two-dimensional Bi 2 Te 3 and Sb 2 Te 3 nanosheets were prepared by solvothermal synthesis method used as thermoelectric (TE) functional materials, which is further hybrid with high conductive reduced graphene oxide (rGO) and carbon nanotubes (CNTs). TE film was then fabricated based on above materials. The power factor of the n -type TE film is 19.31 μW/mK 2 , and the power factor of the p -type TE film is 97.40 μW /mK 2 . The flexible TE device was integrated with flexible solar cell. Compared with the single photovoltaic (PV) cell, the efficiency of the as-prepared flexible integrated device measured under the AM1.5 illumination is significantly improved. The efficiency of the two parallel tests is increased from 27.26% and 26.59%, to 29.11% and 28.92%, respectively. The increasing ratio reaches 6.7%–8.8%.
危险品化学品经营许可证（带存储）