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Three-Component Bolaform Giant Surfactants Forming Lamellar Nanopatterns with Sub-5 nm Feature Sizes by Yu Shao; Bo Hou; Weiyi Li; Xiaojin Yan; Xiaoge Wang; Yuchun Xu; Qingshu Dong; Weihua Li; Jinlin He; Wen-Bin Zhang is a Materials Science article available to read on EtoBox.
What is Three-Component Bolaform Giant Surfactants Forming Lamellar Nanopatterns with Sub-5 nm Feature Sizes about?
Nanopatterns with a sub-5 nm line width are of great interest due to their potential applications in nanotechnology. Herein, we report the design and synthesis of three-component bolaform giant surfactants that can assemble into three-phase-fourlayer lamellar (LAM 3 ) structures with sub-5 nm feature sizes. These samples consist of central linear polystyrene (PS) chains with oligodimethylsiloxane-functionalized polyhedral oligomeric silsesquioxane (SiPOSS) at one end and perfluoroalkyl-functionalized POSS (FPOSS) at the other end. Phase separation occurs among three mutually incompatible components, leading to LAM 3 structures with relatively sharp interfaces and d-spacings of 12-19 nm. While the lamellar periodicity can be facilely tuned by changing the chain length of PS, the pitch widths of the POSS domains remain largely constant. Energy-dispersive X-ray spectroscopy (EDS) and electron energy loss spectroscopy (EELS) were used to analyze the elemental distribution of the LAM 3 structures. After oxygen plasma treatment, the morphology converts into a hierarchical lamellar structure with extremely small Si-rich layers (∼2 nm in thickness). This work suggests that these bolaform g
Who reads Three-Component Bolaform Giant Surfactants Forming Lamellar Nanopatterns with Sub-5 nm Feature Sizes?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Yu Shao; Bo Hou; Weiyi Li; Xiaojin Yan; Xiaoge Wang; Yuchun Xu; Qingshu Dong; Weihua Li; Jinlin He; Wen-Bin Zhang
- Publisher
- American Chemical Society (ACS)
- Published
- 2023
- Language
- EN
- Field
- Materials Science (Physical Sciences)