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The Cooperation Effect of Mixed PEGs with Different Molecular Weights on The Morphology of TiO2 Porous Thin Films
- Authors
- He, Weizhen; Park, Se-Jeong; Qiu, Jijun; Hwang, Yoon-Hwae; Kim, Hyung-Kook; Lee, Jae-Ho; Kim, Yang-Do
- Issue Date
- Jan-2010
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- TiO2; Surfactant; Porous structure; Self-assembly; Mix surfactant
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.56, no.1, pp.413 - 416
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 56
- Number
- 1
- Start Page
- 413
- End Page
- 416
- ISSN
- 0374-4884
- Abstract
- We synthesized TiO2 porous thin films with well-shaped pores and uniform pore size by utilizing the cooperation effect of mixed PEGs with different molecular weights. The pore sizes were about 190 nm and 220 rim for single PEG and double PEGs, respectively, while in the case of triple PEGs, the pore size ranged from about 190 nm to 500 nm. The wall thickness was affected by the difference in chain length of mixed PEGs and a thicker wall produced thermally stable pores. The optimal size distribution and shape of pores could be obtained by using two proper PEGs.
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Related Researcher
- Lee, Jae Ho
- Engineering (Advanced Materials)