ICCAS OpenIR
Synthesis of right- and left-handed silver nanohelices with a racemic gelator
Zhan, CL; Wang, JB; Yuan, J; Gong, HF; Liu, YH; Liu, MH
2003-10-28
Source PublicationLANGMUIR
ISSN0743-7463
Volume19Issue:22Pages:9440-9445
AbstractAs a new racemic gelator, 2-acryloylamide-dodecane-1-sulfonic acid (ADSA) was observed to form an organogel with chloroform and tetrahydrofuran. Transmission electron microscopy (TEM) observation for the stained gel from chloroform revealed helical ribbons. Templated by these, both right- and left-handed silver nanohelices were synthesized by reducing the adsorbed silver cations onto the ribbons with sodium borohydride. Interestingly, both opposite-handed helices at the same nanohelice and double-stranded silver nanohelices were observed. A possible model for the auto-optical resolution of the racemate into helical ribbons and the template synthesis of silver nanohelices was suggested on the basis of a stereochemical consideration along with the hydrogen bonds and hydrophobic interaction of long alkyl chains. The mechanism was supported by X-ray diffraction and FT-IR spectra and high-resolution TEM observations.
DOI10.1021/la034958u
Indexed BySCI
Language英语
WOS IDWOS:000186177200051
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:50[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81490
Collection中国科学院化学研究所
Corresponding AuthorZhan, CL
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Key Lab Colloid & Interface Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Zhan, CL,Wang, JB,Yuan, J,et al. Synthesis of right- and left-handed silver nanohelices with a racemic gelator[J]. LANGMUIR,2003,19(22):9440-9445.
APA Zhan, CL,Wang, JB,Yuan, J,Gong, HF,Liu, YH,&Liu, MH.(2003).Synthesis of right- and left-handed silver nanohelices with a racemic gelator.LANGMUIR,19(22),9440-9445.
MLA Zhan, CL,et al."Synthesis of right- and left-handed silver nanohelices with a racemic gelator".LANGMUIR 19.22(2003):9440-9445.
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