Journal
LANGMUIR
Volume 24, Issue 19, Pages 10552-10556Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la801686z
Keywords
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Funding
- National Core Research Center Program MOST/KOSEF [R15-2006-022-01001-0]
- Brain Korea 21 program (BK21)
- Center for Ultramicrochemical Process System (CUPS)
- NRL
- Korea Institute of Industrial Technology(KITECH) [10016481] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [R01-2003-000-10020-0, R15-2006-022-01001-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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By means of a plasma technique, the surfaces of monodisperse polystyrene (PS) colloids have been modified with hydroxyl groups. Using these surface-modified PS colloids as sacrificial templates, we have fabricated silica-coated PS colloids (PS@silica) and titania-coated PS colloids (PS@titania) composite microspheres as well as hollow and mesoporous silica and titania microspheres. This process not only demonstrated a facile, low-cost, environmentally benign way to fabricate hollow oxides structures but also offered a feasible alternative to the preparation of polymer/inorganic oxide composites by templating against the polymer substrate with hydrophobic surfaces.
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