Transition Metal Complexes At Room Temperature / By Solid State Synthesis And Pressure Color Thermal Color

Piezochromic materials and thermochromic materials are special function materials which have change in the visible absorbed spectra of a substance that accompanies with changing pressure or temperature.Solid state reaction at room temperature/low heating has attracted more and more chemists due to its high efficiency, energy saving and environmentally friendly features.Assembling new organic-inorganic hybrid materials has become a brand-new research tendency in developing high-tech material in the world. In this paper, three piezochromic materials have been synthesized for the first time from CuC^ and amine hydrochloride by using room temperature/low heating solid-state synthesis method. These piezochromic materials can change color obviously under low pressure. Further more, we explore on synthesizing some thermochromic materials which have obvious thermochromism using transitional metal chloride and amine hydrochloride, researching the thermochromism of hybrid materials synthesized from amine hydrochloride and transitional metal. On the basis, we expanded the scope of the raw material, the sulfate and the nitrate of transitional metal are used to synthesize thermochromic materials .The thermochromic materials which synthesized from aceryl amine and transitional metal have not been reported. The thermochromism are investigated by IR, UV-visible, DSC, XRD spectra in this paper, and their mechanism have been discussed preliminarily.