Monodispersed spherical particles have promising material
morphologies for applications such as liquid crystal display
spacers, photonic crystals and as a liquid chromatography
stationary phase, depending on their size, composition and
structure.1 Since monodispersed spherical particles of silica
and polystyrene in the size range of several hundreds of nm to
microns are commercially available and their preparation is
also possible in the laboratory, reports of their syntheses and
applications have been published extensively. If monodispersed
porous spherical particles are available, one can extend their
applications by means of host–guest chemistry. However,
these types of material are currently only available on surfactanttemplated
nanoporous silicas.2 In this communication, we
report the synthesis of nanoporous titania spherical particles.
Titania possesses unique properties including high refractive
index and UV absorption and photocatalytic abilities, and
therefore, monodispersed titania spherical particles may find
applications where silica-based nanoprorous silica spherical
particles do not have access.
Monodispersed spherical particles have promising material
morphologies for applications such as liquid crystal display
spacers, photonic crystals and as a liquid chromatography
stationary phase, depending on their size, composition and
structure.1 Since monodispersed spherical particles of silica
and polystyrene in the size range of several hundreds of nm to
microns are commercially available and their preparation is
also possible in the laboratory, reports of their syntheses and
applications have been published extensively. If monodispersed
porous spherical particles are available, one can extend their
applications by means of host–guest chemistry. However,
these types of material are currently only available on surfactanttemplated
nanoporous silicas.2 In this communication, we
report the synthesis of nanoporous titania spherical particles.
Titania possesses unique properties including high refractive
index and UV absorption and photocatalytic abilities, and
therefore, monodispersed titania spherical particles may find
applications where silica-based nanoprorous silica spherical
particles do not have access.
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