含Er(Ho)化合物的合成、结构及光物理性质

Syntheses,structures and photophysial properties of compounds with Er(Ho)

采用水热法合成了2种含Ln3+的化合物[Er2(p-CH3C6H4COO)10(phen)2](1),[Ho2(p-CH3C6H4COO)10(phen)2](2),通过X-光单晶衍射确定了它们的晶体结构.并在室温下测定了它们固态粉末的IR、UV-Vis-NIR吸收光谱以及近红外发射光谱,并进行了较详尽的分析,重点研究了化合物的近红外发光性能,得到的结果表明具有刚性共轭结构的配体能够为敏化Ln3+的发光供给能量.使其在近红外区具有明显的发光.

Two compounds [Er2（p-CH3C6H4COO）10（phen）2]（1）,[Ho2（p-CH3C6H4COO）10（phen）2]（2）were synthesized by the hydrothermal method.Their structures were determined by the single-crystal X-ray diffraction.The IR,UV-Vis-NIR absorption spectra and emission spectra in the near-infrared（NIR）region were determined in the room temperature,and analyzed in detail.Their NIR luminescent properties were mainly studied and the result indicates that ligand having rigid conjugated structure can provide energy for luminescence of Ln^3＋,make it having obvious luminescence in near-infrared.