A new nanohybrid photocatalyst between anatase (TiO2) and layered titanate

Hyun Cheol Lee; Hyun Jung; Jae Min Oh; Jin Ho Choy

doi:10.5012/bkcs.2002.23.3.477

A new nanohybrid photocatalyst between anatase (TiO₂) and layered titanate

Hyun Cheol Lee
, Hyun Jung
, Jae Min Oh
, Jin Ho Choy

Seoul National University

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

12 Scopus citations

Abstract

A new microporous TiO₂-pillared layered titanate has been successfully prepared by hybridizing the exfoliated titanate with the anatase TiO₂ nano-sol. According to the X-ray diffraction analysis and N₂ adsorption-desorption isotherms, the TiO₂-pillared layered titanate showed a pillar height of ∼2 nm with a high surface area of ∼460 m²/g and a pore size of ∼0.95 nm, indicating that a microporous pillar structure is formed. Its photocatalytic activity was evaluated by measuring the photodegradation rate of 4-chlorophenol during irradiation of catalyst suspensions in an aqueous solution. An enhancement in activity of ca. 170% was obtained for TiO₂-pillared layered titanate compared to that of the pristine compound such as layered cesium titanate.

Original language	English
Pages (from-to)	477-480
Number of pages	4
Journal	Bulletin of the Korean Chemical Society
Volume	23
Issue number	3
DOIs	https://doi.org/10.5012/bkcs.2002.23.3.477
State	Published - 20 Mar 2002

Keywords

Anatase
Photocatalyst
Porous materials
TiO-pillared titanate

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10.5012/bkcs.2002.23.3.477

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title = "A new nanohybrid photocatalyst between anatase (TiO2) and layered titanate",

abstract = "A new microporous TiO2-pillared layered titanate has been successfully prepared by hybridizing the exfoliated titanate with the anatase TiO2 nano-sol. According to the X-ray diffraction analysis and N2 adsorption-desorption isotherms, the TiO2-pillared layered titanate showed a pillar height of ∼2 nm with a high surface area of ∼460 m2/g and a pore size of ∼0.95 nm, indicating that a microporous pillar structure is formed. Its photocatalytic activity was evaluated by measuring the photodegradation rate of 4-chlorophenol during irradiation of catalyst suspensions in an aqueous solution. An enhancement in activity of ca. 170\% was obtained for TiO2-pillared layered titanate compared to that of the pristine compound such as layered cesium titanate.",

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T1 - A new nanohybrid photocatalyst between anatase (TiO2) and layered titanate

AU - Lee, Hyun Cheol

AU - Jung, Hyun

AU - Oh, Jae Min

AU - Choy, Jin Ho

PY - 2002/3/20

Y1 - 2002/3/20

N2 - A new microporous TiO2-pillared layered titanate has been successfully prepared by hybridizing the exfoliated titanate with the anatase TiO2 nano-sol. According to the X-ray diffraction analysis and N2 adsorption-desorption isotherms, the TiO2-pillared layered titanate showed a pillar height of ∼2 nm with a high surface area of ∼460 m2/g and a pore size of ∼0.95 nm, indicating that a microporous pillar structure is formed. Its photocatalytic activity was evaluated by measuring the photodegradation rate of 4-chlorophenol during irradiation of catalyst suspensions in an aqueous solution. An enhancement in activity of ca. 170% was obtained for TiO2-pillared layered titanate compared to that of the pristine compound such as layered cesium titanate.

AB - A new microporous TiO2-pillared layered titanate has been successfully prepared by hybridizing the exfoliated titanate with the anatase TiO2 nano-sol. According to the X-ray diffraction analysis and N2 adsorption-desorption isotherms, the TiO2-pillared layered titanate showed a pillar height of ∼2 nm with a high surface area of ∼460 m2/g and a pore size of ∼0.95 nm, indicating that a microporous pillar structure is formed. Its photocatalytic activity was evaluated by measuring the photodegradation rate of 4-chlorophenol during irradiation of catalyst suspensions in an aqueous solution. An enhancement in activity of ca. 170% was obtained for TiO2-pillared layered titanate compared to that of the pristine compound such as layered cesium titanate.

KW - Anatase

KW - Photocatalyst

KW - Porous materials

KW - TiO-pillared titanate

UR - https://www.scopus.com/pages/publications/0037139890

U2 - 10.5012/bkcs.2002.23.3.477

DO - 10.5012/bkcs.2002.23.3.477

M3 - Article

AN - SCOPUS:0037139890

SN - 0253-2964

VL - 23

SP - 477

EP - 480

JO - Bulletin of the Korean Chemical Society

JF - Bulletin of the Korean Chemical Society

IS - 3

ER -

A new nanohybrid photocatalyst between anatase (TiO₂) and layered titanate

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Keywords

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