Synthesis, characterization and photocatalytic performance of self-assembled mesoporous TiO 2 nanoparticles

Yuan Chung Lin; Shou Heng Liu; Han Ren Syu; Tsung Han Ho

doi:10.1016/j.saa.2012.03.080

Synthesis, characterization and photocatalytic performance of self-assembled mesoporous TiO ₂ nanoparticles

Yuan Chung Lin, Shou Heng Liu, Han Ren Syu, Tsung Han Ho

Department of Environmental Engineering

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

16 Citations (Scopus)

Abstract

A facile synthesis route is reported for preparation of mesoporous TiO ₂ nanoparticles (MT-x) through evaporation induced self-assembly by using Pluronic F127, titanium isopropoxide, and various amounts of ethanol as templating agents, titanium sources and solvents, respectively. A variety of different spectroscopic and analytical techniques, such as small- and large-angle powder X-ray diffraction (XRD), N ₂ adsorption-desorption isotherms, transmission electron microscopy (TEM), Raman and Fourier transform infrared (FTIR) spectroscopies were used to characterize the physicochemical properties of various MT-x catalysts. Among the catalysts, MT-20 was found to have better mesostructures formed by the arrangement of anatase TiO ₂ nanoparticles of ca. 17.3 nm with broad interparticle pore size distribution. Hydrogen generation from water splitting on MT-20 using visible light was enhanced by at least 8.7 times if compared with the conventional TiO ₂ photocatalyst. The superior photocatalytic performances observed for the synthesized MT-20 may be attributed to the presence of unique nanostructures in the TiO ₂ photocatalysts.

Original language	English
Pages (from-to)	300-304
Number of pages	5
Journal	Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Volume	95
DOIs	https://doi.org/10.1016/j.saa.2012.03.080
Publication status	Published - 2012 Sep 1

All Science Journal Classification (ASJC) codes

Analytical Chemistry
Atomic and Molecular Physics, and Optics
Instrumentation
Spectroscopy

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title = "Synthesis, characterization and photocatalytic performance of self-assembled mesoporous TiO 2 nanoparticles",

abstract = "A facile synthesis route is reported for preparation of mesoporous TiO 2 nanoparticles (MT-x) through evaporation induced self-assembly by using Pluronic F127, titanium isopropoxide, and various amounts of ethanol as templating agents, titanium sources and solvents, respectively. A variety of different spectroscopic and analytical techniques, such as small- and large-angle powder X-ray diffraction (XRD), N 2 adsorption-desorption isotherms, transmission electron microscopy (TEM), Raman and Fourier transform infrared (FTIR) spectroscopies were used to characterize the physicochemical properties of various MT-x catalysts. Among the catalysts, MT-20 was found to have better mesostructures formed by the arrangement of anatase TiO 2 nanoparticles of ca. 17.3 nm with broad interparticle pore size distribution. Hydrogen generation from water splitting on MT-20 using visible light was enhanced by at least 8.7 times if compared with the conventional TiO 2 photocatalyst. The superior photocatalytic performances observed for the synthesized MT-20 may be attributed to the presence of unique nanostructures in the TiO 2 photocatalysts.",

author = "Lin, {Yuan Chung} and Liu, {Shou Heng} and Syu, {Han Ren} and Ho, {Tsung Han}",

year = "2012",

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T1 - Synthesis, characterization and photocatalytic performance of self-assembled mesoporous TiO 2 nanoparticles

AU - Lin, Yuan Chung

AU - Liu, Shou Heng

AU - Syu, Han Ren

AU - Ho, Tsung Han

PY - 2012/9/1

Y1 - 2012/9/1

N2 - A facile synthesis route is reported for preparation of mesoporous TiO 2 nanoparticles (MT-x) through evaporation induced self-assembly by using Pluronic F127, titanium isopropoxide, and various amounts of ethanol as templating agents, titanium sources and solvents, respectively. A variety of different spectroscopic and analytical techniques, such as small- and large-angle powder X-ray diffraction (XRD), N 2 adsorption-desorption isotherms, transmission electron microscopy (TEM), Raman and Fourier transform infrared (FTIR) spectroscopies were used to characterize the physicochemical properties of various MT-x catalysts. Among the catalysts, MT-20 was found to have better mesostructures formed by the arrangement of anatase TiO 2 nanoparticles of ca. 17.3 nm with broad interparticle pore size distribution. Hydrogen generation from water splitting on MT-20 using visible light was enhanced by at least 8.7 times if compared with the conventional TiO 2 photocatalyst. The superior photocatalytic performances observed for the synthesized MT-20 may be attributed to the presence of unique nanostructures in the TiO 2 photocatalysts.

AB - A facile synthesis route is reported for preparation of mesoporous TiO 2 nanoparticles (MT-x) through evaporation induced self-assembly by using Pluronic F127, titanium isopropoxide, and various amounts of ethanol as templating agents, titanium sources and solvents, respectively. A variety of different spectroscopic and analytical techniques, such as small- and large-angle powder X-ray diffraction (XRD), N 2 adsorption-desorption isotherms, transmission electron microscopy (TEM), Raman and Fourier transform infrared (FTIR) spectroscopies were used to characterize the physicochemical properties of various MT-x catalysts. Among the catalysts, MT-20 was found to have better mesostructures formed by the arrangement of anatase TiO 2 nanoparticles of ca. 17.3 nm with broad interparticle pore size distribution. Hydrogen generation from water splitting on MT-20 using visible light was enhanced by at least 8.7 times if compared with the conventional TiO 2 photocatalyst. The superior photocatalytic performances observed for the synthesized MT-20 may be attributed to the presence of unique nanostructures in the TiO 2 photocatalysts.

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