Yang Yonggang
Soochow University (Taiwan)
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Publication
Featured researches published by Yang Yonggang.
Chemical Research in Chinese Universities | 2016
Cao Yanfang; Liu Dan; Li Baozong; Li Yi; Yang Yonggang
Single-handed helical and C-shaped 3-aminophenol-formaldehyde resin nanotubes were prepared via a supramolecular templating approach. The chiral templates and 3-aminophenol were initially organized into helical nanoribbons, followed by the adsorption of formaldehyde onto the surfaces of the helical nanoribbons. Subsequent to polymerization and further thermosetting of the resin oligomers, 3-aminophenol-formaldehyde resin nanotubes were obtained after removing the templates. When low amounts of 3-aminophenol were added, straight C-shaped 3-aminophenol-formaldehyde resin nanotubes were obtained. Increasing the amount of added 3-aminophenol led to the formation of single-handed helical nanotubes instead. When the single-handed helical resin nanotubes were carbonized at 900 °C under Ar, single-handed helical carbonaceous nanotubes were obtained. Raman spectrum indicates that this carbon is predominantly amorphous. Circular dichroism spectra illustrate that both the helical resin nanotubes and the carbonaceous nanotubes exhibit optical activity. This work indicates that the added amount and the edge-adsorption mode of the precursors on the templates determine the final morphology and chirality of the products.
Archive | 2013
Yang Yonggang; Li Yi; Li Baozong; Xue Zhen
Archive | 2014
Yang Yonggang; Li Yi; Li Baozong; Zhang Ming; Zhuang Wei
Archive | 2014
Yang Yonggang; Li Yi; Li Baozong; Wang Qingfeng
Archive | 2014
Yang Yonggang; Li Yi; Li Baozong; Hu Kai; Wang Qingfeng
Materials Letters | 2017
Li Jiangang; Shao Changzhen; Li Baozong; Li Yi; Wang Chundong; Yang Yonggang
Materials Letters | 2017
Qin Jiaming; Li Baozong; Li Yi; Yang Yonggang
Gaodeng Xuexiao Huaxue Xuebao | 2016
Cao Yanfang; Shao Changzhen; Li Baozong; Li Yi; Yang Yonggang
Chemical Research in Chinese Universities | 2016
Cao Yanfang; Liu Dan; Li Baozong; Li Yi; Yang Yonggang
Archive | 2014
Li Yi; Yang Yonggang; Li Baozong; Chen Hao