High-performance TiO(2) from Baker's yeast.
Based on the biomineralization assembly concept, a biomimetic approach has been developed to synthesize high-performance mesoporous TiO(2). The key step of this approach is to apply Baker's yeast cells as biotemplates for deriving the hierarchically ordered mesoporous anatase structure. The mechanism of formation of the yeast-TiO(2) is revealed by characterizing its morphology, microstructure, and chemical composition. The yeast-TiO(2) exhibits outstanding photocatalytic performance. Under visible-light irradiation, the removal efficiency of chemical oxygen demand (COD) and color of the paper industry wastewater has reached 80.3% and nearly 100%, respectively. The approach may open new vistas for fabricating advanced mesoporous materials under ambient condition.
Shandong Key Laboratory of Glass and Ceramic, Department of Materials Science and Engineering, Shandong Institute of Light Industry, Jinan 250353, China. hewen1960@126.com
Wen
W
He
Jingjie
J
Cui
Yuanzheng
Y
Yue
Xudong
X
Zhang
Xi
X
Xia
Hong
H
Liu
Suwen
S
Lui
D019411:Clinical Laboratory Techniques; D018625:Microscopy, Atomic Force; D008954:Models, Biological; D015394:Molecular Structure; D016062:Porosity; D012441:Saccharomyces cerevisiae / Q000737:chemistry* / Q000378:metabolism; D013499:Surface Properties; D014025:Titanium / Q000737:chemistry* / Q000378:metabolism
C009495:titanium dioxide; D014025:Titanium