Facile solubilization of titanate nanobelts for nonlinear optical investigations

Miao Feng; Hongbing Zhan; Lei Miao

doi:10.1088/0957-4484/21/18/185707

Facile solubilization of titanate nanobelts for nonlinear optical investigations

Miao Feng, Hongbing Zhan, Lei Miao

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

9 Citations (Scopus)

Abstract

A homogeneously translucent titanate nanobelt (TNB) suspension was prepared through facile surface modification of pristine TNBs by polymer wrapping with poly(allylamine hydrochloride). The resultant TNB aqueous suspension was found to remain stable for months. The nonlinear optical (NLO) and optical limiting (OL) properties of the TNB suspension were then investigated. We found that the TNB suspension behaves totally differently at 532 and 1064nm excitation in the nanosecond laser pulse regime. The sample displays remarkable NLO and OL effects at 532nm, originating from nonlinear scattering. However, the NLO and OL effects are entirely diminished at 1064nm due to the absence of near-resonant absorption and the subsequent thermal effect.

Original language	English
Article number	185707
Journal	Nanotechnology
Volume	21
Issue number	18
DOIs	https://doi.org/10.1088/0957-4484/21/18/185707
Publication status	Published - 2010
Externally published	Yes

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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10.1088/0957-4484/21/18/185707

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abstract = "A homogeneously translucent titanate nanobelt (TNB) suspension was prepared through facile surface modification of pristine TNBs by polymer wrapping with poly(allylamine hydrochloride). The resultant TNB aqueous suspension was found to remain stable for months. The nonlinear optical (NLO) and optical limiting (OL) properties of the TNB suspension were then investigated. We found that the TNB suspension behaves totally differently at 532 and 1064nm excitation in the nanosecond laser pulse regime. The sample displays remarkable NLO and OL effects at 532nm, originating from nonlinear scattering. However, the NLO and OL effects are entirely diminished at 1064nm due to the absence of near-resonant absorption and the subsequent thermal effect.",

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AU - Zhan, Hongbing

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AB - A homogeneously translucent titanate nanobelt (TNB) suspension was prepared through facile surface modification of pristine TNBs by polymer wrapping with poly(allylamine hydrochloride). The resultant TNB aqueous suspension was found to remain stable for months. The nonlinear optical (NLO) and optical limiting (OL) properties of the TNB suspension were then investigated. We found that the TNB suspension behaves totally differently at 532 and 1064nm excitation in the nanosecond laser pulse regime. The sample displays remarkable NLO and OL effects at 532nm, originating from nonlinear scattering. However, the NLO and OL effects are entirely diminished at 1064nm due to the absence of near-resonant absorption and the subsequent thermal effect.

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Facile solubilization of titanate nanobelts for nonlinear optical investigations

Abstract

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