Morphology dependence of 1,2-diphenylethylenediamine-derived organogelator templates in solvents and their influence in the production of nanostructured silica

Tae Kyu Kim, Euh Duck Jeong, Chae Young Oh, Myung Ho Hyun, Mee Sung Lee, Hae Kyeong Moon, Jong Pil Kim, Ok Sang Jung, F. Nawaz Khan, Jong Sung Jin

Research output: Contribution to journalArticle

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Abstract

The 1,2-diphenylethylenediamine-based neutral or cationic organogelator-templates, currently employed in the production of silica nanomaterials, were initially evaluated for their versatile gelation ability and found to be gelled in the majority of organic solvents tested. Scanning electron microscope and transmission electron microscope, images of neutral organogels made from different solvents revealed that they assembled into a plate-shaped, or rod-shaped morphology, respectively in ethanol or butan-1-ol and in acetonitrile or tetrahydrofurane. Similarly, a 1 : 1 mixture (mass) of neutral and cationic gelators formed different morphologies in the solvents tested. Sol-gel polycondensation of tetraethoxy silane using either individual gels (neutral or cation) or a 1 : 1 mixture of gels was explored. The experimental results and the scanning electron microscopy and transmission electron microscopy images revealed that silica nanotubes with an inner diameter of 82 nm and an outer diameter of 620 nm were obtained from the 1 : 1 mixture of neutral and cationic gelator in ethanol, whereas silica nanoparticles were obtained using gels made in the other solvents tested.

Original languageEnglish
Pages (from-to)495-503
Number of pages9
JournalChemical Papers
Volume65
Issue number4
DOIs
Publication statusPublished - 2011 Aug 1

Fingerprint

Silicon Dioxide
Gels
Silica
Ethanol
Electron microscopes
Silanes
Electrons
Gelation
Polycondensation
Acetonitrile
Nanostructured materials
Nanotubes
Organic solvents
Sol-gels
Cations
Nanostructures
Polymethyl Methacrylate
Positive ions
Transmission Electron Microscopy
Electron Scanning Microscopy

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering
  • Materials Chemistry

Cite this

Kim, Tae Kyu ; Jeong, Euh Duck ; Oh, Chae Young ; Hyun, Myung Ho ; Lee, Mee Sung ; Moon, Hae Kyeong ; Kim, Jong Pil ; Jung, Ok Sang ; Khan, F. Nawaz ; Jin, Jong Sung. / Morphology dependence of 1,2-diphenylethylenediamine-derived organogelator templates in solvents and their influence in the production of nanostructured silica. In: Chemical Papers. 2011 ; Vol. 65, No. 4. pp. 495-503.
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Morphology dependence of 1,2-diphenylethylenediamine-derived organogelator templates in solvents and their influence in the production of nanostructured silica. / Kim, Tae Kyu; Jeong, Euh Duck; Oh, Chae Young; Hyun, Myung Ho; Lee, Mee Sung; Moon, Hae Kyeong; Kim, Jong Pil; Jung, Ok Sang; Khan, F. Nawaz; Jin, Jong Sung.

In: Chemical Papers, Vol. 65, No. 4, 01.08.2011, p. 495-503.

Research output: Contribution to journalArticle

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