Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

Sehoon Kim; Haridas E. Pudavar; Paras N. Prasad

doi:10.1039/b600926c

Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

Sehoon Kim, Haridas E. Pudavar, Paras N. Prasad

Research output: Contribution to journal › Article › peer-review

76 Citations (Scopus)

Abstract

Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pK_a ∼ 6.4) through nanoscopic intraparticle energy transfer.

Original language	English
Pages (from-to)	2071-2073
Number of pages	3
Journal	Chemical Communications
Issue number	19
DOIs	https://doi.org/10.1039/b600926c
Publication status	Published - 2006
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1039/b600926c

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title = "Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation",

abstract = "Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pKa ∼ 6.4) through nanoscopic intraparticle energy transfer.",

author = "Sehoon Kim and Pudavar, {Haridas E.} and Prasad, {Paras N.}",

year = "2006",

doi = "10.1039/b600926c",

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pages = "2071--2073",

journal = "Chemical Communications",

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T1 - Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

AU - Kim, Sehoon

AU - Pudavar, Haridas E.

AU - Prasad, Paras N.

PY - 2006

Y1 - 2006

N2 - Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pKa ∼ 6.4) through nanoscopic intraparticle energy transfer.

AB - Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pKa ∼ 6.4) through nanoscopic intraparticle energy transfer.

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U2 - 10.1039/b600926c

DO - 10.1039/b600926c

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AN - SCOPUS:33646592863

SN - 1359-7345

SP - 2071

EP - 2073

JO - Chemical Communications

JF - Chemical Communications

IS - 19

ER -

Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

Abstract

ASJC Scopus subject areas

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