金属胶体 meaning in English
metallic colloid
Examples
- Progress in application of amphiphilic copolymers in stabilizing metal colloids
两亲聚合物在稳定金属胶体方面的应用进展 - In this thesis the preparation of " chemically pure " metal colloids by nd : yag laser ablation of metal plate is introduced . the measurement result of tem of the nanoparticle systems obtained the experiment is reported that the size of these colloids were between 5 to 35nm
2 、论文介绍了一种新的制备金属胶体及纳米量级粗糙金属表面的方法：利用nd : yag激光器1064nm激发光照射金属表面，通过改变光照时间，制备出“化学纯净”纳米金属胶体。 - Metal colloids , employed as the high efficient substrates in the field of surface spectroscopy , especially in the field of the rapid development of the surface - enhanced raman spectroscopy , their preparation , as well as the study of their optical characteristic , have always been the focal research program
金属胶体作为表面光谱学尤其是近些年发展起来的表面增强拉曼光谱学( sers )的最为常用的增强基底，其制备方法、光学性质等方面一直是研究领域中的热点。 - We also report the uv - visible optical absorption spectra of these colloids . to the metal plate prepared simultaneously , the measurement result of sem and afm of this plate is also reported and the roughness of the silver plate surface is about 60nm . both the colloids and the nano - scale metal surface can become the very perfect sers substrates . rhodamine b , a kind of strong fluorescence laser dye , with gold colloidal surface , has been studied by surface - enhanced raman spectroscopy ( sers ) with near - infrared ( nir ) excitation in the presence of the halide ions ( cf , br - , f )
利用透射电子显微镜( tem ) ，对胶体粒子的尺寸大小及形态进行了观测，表明这些胶体为粒径介于5 35nm的纳米体系，并对该胶体体系进行了紫外?可见吸收光谱的研究；在制备出金属胶体的同时，经过激光照射后的金属表面为纳米量级的粗糙表面，对该表面进行了扫描电镜( sem )及原子力显微镜( afm )的测量，结果显示该表面的粗糙度平均为60nm 。