包埋Ru(bpy)_3Cl_2非线性光催化薄膜在图像处理中的应用  

Application in Image Processing of Nonlinear Light-excitable Membrane Containing Ru(bpy)_3Cl_2

作　　者：顾强[1] 邹爱华[1] 王永[1] 袁春伟[1] 

机构地区：[1]东南大学分子与生物分子电子学教育部重点实验室,南京210096

出　　处：《化学学报》2004年第2期131-136,共6页Acta Chimica Sinica

基　　金：国家自然科学基金 (No.69831 0 1 0 )重点资助项目

摘　　要：用sol gel法以正硅酸乙酯、乙醇和蒸馏水为原料 ,以盐酸为催化剂 ,包埋三联吡啶钌 [Ru(bpy) 3 Cl2 ]制备催化Belousov Zhabotinsky (BZ)反应的非线性光催化薄膜 ,并利用紫外分光光度法测定了在薄膜中Ru(bpy) 3 Cl2 的包埋量 .通过投影图像的方法光激发BZ反应 ,在包埋Ru(bpy) 3 Cl2 的薄膜上产生化学波图像 .在薄膜中演化形成的图像具有相当高的图像清晰度 .在图像的演化过程中 ,具有图像反转、边界增强、图像分割等图像处理能力 。Nonlinear optical membrane used for image processing was prepared using tetraethyl silicate (TEOS) by sol gel method under mild conditions. Ru(bpy) 3Cl 2 was immobilized in the sol gel matrix and its amount was measured by UV absorbency. This light excitable membrane containing Ru(bpy) 3Cl 2 as photocatalyst could catalyze Belousov Zhabotinsky (BZ) reaction by illumination. Our results indicated that a fine definition image processing could be auto performed when projecting a picture on this medium. The imaging process possesses several image processing effects, such as boundary enhanced effect and image reversion, which could be enhanced by adjusting some conditions of BZ reaction or the time of projecting.

关 键 词：非线性光催化薄膜 图像处理 光敏催化剂 Ru(bpy)3C12 BZ反应 化学波图像 振荡反应体系 

分 类 号：O643.3[理学—物理化学]