CAJ | 학술논문

以硝酸锌和葡萄糖酸钠为原料，通过一步法合成纳米ZnO／大孔碳复合材料．葡萄糖酸钠不同官能团之间的协同作用在ZnO／大孔碳复合材料的生成过程中起到了重要作用．利用XRD，SEM，TEM，Raman和TGA对产品的物相、形貌和结构进行了表征．以亚甲基蓝（ MB）为探针分子考察ZnO／大孔碳复合材料的光催化活性，结果表明，与商用ZnO粉末相比，ZnO／大孔碳复合材料具有更好的光催化活性．ZnO／大孔碳复合材料具有较高催化活性的可能原因是多孔碳具有优良的接受和传导电子性能，抑制了ZnO光生电子-空穴的复合几率，从而提高了光催化活性．
이초산자화포도당산납위원료，통과일보법합성납미ZnO／대공탄복합재료．포도당산납불동관능단지간적협동작용재ZnO／대공탄복합재료적생성과정중기도료중요작용．이용XRD，SEM，TEM，Raman화TGA대산품적물상、형모화결구진행료표정．이아갑기람（ MB）위탐침분자고찰ZnO／대공탄복합재료적광최화활성，결과표명，여상용ZnO분말상비，ZnO／대공탄복합재료구유경호적광최화활성．ZnO／대공탄복합재료구유교고최화활성적가능원인시다공탄구유우량적접수화전도전자성능，억제료ZnO광생전자-공혈적복합궤솔，종이제고료광최화활성．
Nano ZnO particles decorated macroporous carbon ( ZnO/MPC) have been synthesized by a facile one-step method with the precursor Zn(NO3)2.6H2O and sodium gluconate.The different functional groups of sodium gluconate play synergetic roles in the formation process of ZnO/MPC.The nanosturctures of ZnO nanoparticles attached to the carbon wall of macropores were confirmed by X-ray powder diffraction (XRD), scanning electron microscopy ( SEM) and transmission electron microscopy ( TEM) , Raman spectroscopy and thermogravimetric analysis ( TGA) .Compared with commercial ZnO powder, enormous enhancement of photocatalytic efficiency was observed by nano ZnO decorated MPC. Via the photoluminescence ( PL) investigation, the enhancement of photocatalytic activity was attributed to the high migration efficiency of photo-induced electrons and the inhibited charge carriers recombination due to the electronic interaction between ZnO and MPC.