An elemental-direct-reaction has been carried out to synthesis CuS with sulfur powder and copper powder. CuS with diameter of 1～2 μm is successfully synthesized in deep eutectic solvent of tetrapropylammonium bromide and ethylene glycol (molar ratio=1∶3). It was found that the optimized reaction condition was 25 ℃ by changing reaction parameters such as temperature and time. XRD analysis showed the product was highly purity. SEM indicated the surface of each CuS spheres were covered with many nanoflakes interconnected with each other. UV-Vis analysis showed that the product had strong absorption in both ultraviolet and visible region, the band gap energy of the product was approximately 1.59 eV. The asprepared CuS was tested by the degradation of methylene blue, Rhodamine B and methyl orange under the irradiation of UV Lamp. The degradation rate were up to 94.99%, 89.90%, 69.42% in 60 min and it showed its excellent photocatalytic activity. Moreover, the test also showed that the addition of H ₂O ₂ played an important role in the experiment.

The flower-like CuS microspheres has been synthesized through elemental-direct-reaction at room temperture in the n (C₅H14ONCl)/ n (EG)=1 ∶ 2 based deep eutectic melt. The prepared CuS sample was characterized by XRD, EDS, SEM and so on, and the formation mechanism of flower-like CuS microspheres has been discussed. Meanwhile, the thermal decomposition of ammonium perchlorate (AP) has been investigated by DTA technique. The results show that: the flower-like CuS microspheres has a good catalytic effect on the thermal decomposition of ammonium perchlorate. The starting and ending decomposition temperature of ammonium perchlorate which added 2% CuS were decreased by 30 ℃ and 132 ℃ , respectively.

CuI was fabricated by an elementdirectreaction route at 40 ℃ in ethylene glycol as solvent, copper powder as oxidant, iodine as reducing agent. The product was characterised by Xray diffraction (XRD) and scanning electron microscopy (SEM). The catalytic activity was reviewed as a catalyst in the thermal decomposition of ammonium perchlorate. The result show that CuI nanoparticles is sheet strcture, its average diameter is about 99 nm at 40 ℃ and its average diameter is about 87 nm at 60 ℃. Addition of CuI in ammonium perchlorate (AP) led to a significant reduction of low decomposition temperature and high decomposition temperature of AP, two decomposition temperture peaks incorporate a decomposition temperture peak, and the temperature of the peak at the high decomposition temperature stage is therefore decreased by 111 ℃. 

Lowmolecularmass organic gelator (LMOG) Noctadecyl succinic acid was synthesized from succinic anhydride and octadecylamine by ringopen reaction. The structure of gelator was confirmed by 1HNMR and 13CNMR. The gelation ability was inspected by a typical experiment including heatingcooling to form gel and inverting the test tube without deformation of the gel. The results indicate that the Noctadecylcotadecylamine can form the oreticalorganogels in different organic solvents. The selfassemble in the organogel was studied and a preliminary gelation mechanism was proposed.

The catalyst stannum silicotungstat was prepared and characterized, then the esterification of nbutanol and oleic acid was studied. The effect of molar ratio of acid to alcohol, the amount of catalysts, reaction time and reaction temperature were investigated. Under the optimum conditions, the conversion ratio of oleic acid is 90.4%.