Abstract
In this study, surface functionalized silica nanoparticles were prepared through a continuous two-step sol-gel process. After the TEOS-derived silica particles were synthesized, silane compounds were added during the second sol-gel process without any filtration or purification processes. The introductions of the organic chains to their surfaces were measured using 13C solid-state NMR. The effects of the hydrophilicity of the organo-chains on the silica particles were evaluated and analyzed by water contact angle and water wettability tests. The differences of surface charge in the dispersion state were analyzed by measuring the zeta-potential and the variations in the charge were measured as a function of pH.
| Original language | English |
|---|---|
| Pages (from-to) | 318-322 |
| Number of pages | 5 |
| Journal | Colloids and Surfaces A: Physicochemical and Engineering Aspects |
| Volume | 384 |
| Issue number | 1-3 |
| DOIs | |
| Publication status | Published - 2011 Jul 5 |
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Keywords
- Organo-silane compounds
- Silica nanoparticles
- Surface functionalized silica particles
ASJC Scopus subject areas
- Colloid and Surface Chemistry
Cite this
Preparation and characterization of surface modified silica nanoparticles with organo-silane compounds. / Lee, Chang Hun; Park, Sun Hee; Chung, Wonkeun; Kim, Joong Yeon; Kim, Sung Hyun.
In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 384, No. 1-3, 05.07.2011, p. 318-322.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Preparation and characterization of surface modified silica nanoparticles with organo-silane compounds
AU - Lee, Chang Hun
AU - Park, Sun Hee
AU - Chung, Wonkeun
AU - Kim, Joong Yeon
AU - Kim, Sung Hyun
PY - 2011/7/5
Y1 - 2011/7/5
N2 - In this study, surface functionalized silica nanoparticles were prepared through a continuous two-step sol-gel process. After the TEOS-derived silica particles were synthesized, silane compounds were added during the second sol-gel process without any filtration or purification processes. The introductions of the organic chains to their surfaces were measured using 13C solid-state NMR. The effects of the hydrophilicity of the organo-chains on the silica particles were evaluated and analyzed by water contact angle and water wettability tests. The differences of surface charge in the dispersion state were analyzed by measuring the zeta-potential and the variations in the charge were measured as a function of pH.
AB - In this study, surface functionalized silica nanoparticles were prepared through a continuous two-step sol-gel process. After the TEOS-derived silica particles were synthesized, silane compounds were added during the second sol-gel process without any filtration or purification processes. The introductions of the organic chains to their surfaces were measured using 13C solid-state NMR. The effects of the hydrophilicity of the organo-chains on the silica particles were evaluated and analyzed by water contact angle and water wettability tests. The differences of surface charge in the dispersion state were analyzed by measuring the zeta-potential and the variations in the charge were measured as a function of pH.
KW - Organo-silane compounds
KW - Silica nanoparticles
KW - Surface functionalized silica particles
UR - http://www.scopus.com/inward/record.url?scp=79959752638&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=79959752638&partnerID=8YFLogxK
U2 - 10.1016/j.colsurfa.2011.04.010
DO - 10.1016/j.colsurfa.2011.04.010
M3 - Article
AN - SCOPUS:79959752638
VL - 384
SP - 318
EP - 322
JO - Colloids and Surfaces A: Physicochemical and Engineering Aspects
JF - Colloids and Surfaces A: Physicochemical and Engineering Aspects
SN - 0927-7757
IS - 1-3
ER -