Hui Zhao

Jiangnan University · School of Chemical and Material Engineering

Precise deposition of cocatalysts on the outlet points of photo-generated electrons is helpful for highly efficient photocatalytic hydrogen evolution. Up to now, photochemical preparation of hydrogen production cocatalysts composed of earth-abundant elements is still great challenging and rarely reported. Herein, from the case of NiS/g-C3N4, a gene...

Photocatalytic hydrogen (H2) evolution from water is a promising and sustainable approach for solar-to chemical energy conversion. However, the development of an efficient, robust and low-cost visible-light-driven photocatalyst for H2 evolution is still one of the great challenges. Graphitic carbon nitride (g-C3N4) is an attractive candidate but th...

Graphitic carbon nitride (g-C3N4) is a low cost photocatalyst for visible-light-driven H2 evolution from water. However, it faces the issue of rapid charge recombination that significantly suppresses the photocatalytic activity. Herein, we report a novel strategy in which low cost red phosphorus (RP) photocatalyst and molybdenum disulfide (MoS2) co...

Novel solid acid catalysts synthesized from aluminum phosphate were prepared via a precipitation method and a subsequent sulfating treatment. Their catalytic performances for the esterification of propanoic acid with n-butanol were investigated. The as-prepared catalysts were characterized by means of X-ray diffraction (XRD), scanning electron micr...

It has been widely accepted that graphene oxide shows promising potential on facilitating electron transfer which can enhance catalytic properties. In this work, a 3D ordered macro-mesoporous titania composites with graphene oxide (TiO2-GO) were synthesized through a confinement self-assembly method and applied to the epoxidation reactions of styre...

In this work, several novel poly-nadic-anhydride polyester plasticizers were developed to be used in poly(vinyl chloride) (PVC) film fabrication for the first time. Mechanical properties of the films, the compatibility of plasticizers in PVC resin, as well as testing of migration of the plasticizers, were performed in order to evaluate the efficien...

In our work, ZnO/CdS hybrid photocatalysts were prepared by a simple and reproducible photodeposition method and the content of deposited CdS can be varied by irradiation time. The ZnO/CdS photocatalysts showed good photocatalytic H2 evolution activities in aqueous Na2S + Na2SO3 solution. When the content of CdS loading increased to 22.91% after ir...

Composite structures based on synergistic effect are perfect candidates to explore efficient functional materials. So far, metal/carbon dots composites have not been used as peroxidase mimetics. Herein, we reported a carbon dots/Pt nanocomposite which was synthesized by a simple method. Due to the synergistic effects between CDs and Pt, the catalyt...

In this report, a novel nanocomposite of highly dispersed CeO2 on TiO2 nanotube was designed and proposed as a peroxidase-like mimic. The best peroxidase-like activity was obtained for CeO2/nanotube-TiO2 when the molar ratio of Ce/Ti was 0.1/1, which was much higher than that for CeO2/nanowire-TiO2, CeO2/nanorod-TiO2, CeO2/nanoparticle-TiO2 with si...

MoS2-decorated graphitic C3N4 (g-C3N4/MoS2) photocatalysts were prepared by a simple and scalable in situ light-assisted method. In this process, the MoS2 formed from the reduction of [MoS4]2- by the photogenerated electrons and then in situ loaded on the electron outlet points of g-C3N4. The g-C3N4/MoS2 composite was well characterized by X-ray di...

Due to the great importance of high-surface-area metal oxide catalysts in catalytic ozonation, green and facile synthesis of a novel robust ozonation catalyst with high surface area is greatly attractive. In this paper, using inexpensive inorganic salts as starting materials, a high-surface-area (196 m2/g) porous nanocrystalline ZnAl2O4 was prepare...

A ZnS/ZnO nanocomposite was facilely and cost-effectively prepared for visible light photocatalytic H2 evolution. ZnS/ZnO showed good H2 evolution activity (187 μmol g−1 h−1) and stability (nearly linear H2 production rate even after 16 h) without any co-catalyst. Furthermore, ZnS/ZnO revealed superior catalytic performance in sunlight-driven H2 ev...

In this work, sulfated TiO2 nanostructures with different morphology structures and anatase/rutile phase ratios were synthesized by a hydrothermal method followed by calcination. The nanotube, nanorod and nanoparticle morphologies were obtained by varying the hydrothermal and/or annealing temperatures, and the anatase/rutile phase ratio was adjuste...

In this paper, a high-surface-area mesoporous sulfated nano-titania exposed with (101) facets was prepared by a simple hydrothermal method without any template followed by surface sulfate modification. The physicochemical properties of the as-prepared catalyst were well characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM...

As a common monocomponent metal oxide, an α-MnO2 nanotube was synthesized by a simple hydrothermal method and developed as an ozonation catalyst for the first time. α-MnO2 nanotubes revealed excellent catalytic activity and stability for degradation of phenol in water. The strong interaction between ozone and α-MnO2 in water was observed and confir...

In this paper, the kinetics and interface sensitivity of nano-sized magnetic NiFe2O4 in incomplete catalytic ozonation were investigated in detail. By analyzing the kinetics of heterogeneous reactions, it was found that both the degradation of phenol and the decomposition of molecular ozone appeared to follow a first order kinetics model and the pr...

Magnetic NiFe2O4 nanomaterials were proposed as novel ozonation catalysts for the first time. The samples which were synthesized by the hydrothermal method and the calcined method were dominated as NiFe2O4–H and NiFe2O4–C, respectively. Compared with ozonation alone, the presence of NiFe2O4–H significantly enhanced the degradation of phenol, while...

ZnO nanoparticles were synthesized through a facile route and were used as ozonation catalysts. With the increase of calcination temperature (150-300 degrees C), surface hydroxyl groups and catalytic efficiency of as-obtained ZnO decreased remarkably, and the ZnO obtained at 150 degrees C showed the best catalytic activity. Compared with ozonation...