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Auto-controlled fabrication of a metal-porphyrin framework thin film with tunable optical limiting effects

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Abstract

Metal–organic frameworks (MOFs) with third-order nonlinear optical (NLO) properties are still in their infancy but are very important. In this work, we first develop a layer by layer autoarm immersion method for preparing porphyrin-based MOF (PIZA-1) thin films with third-order NLO properties. By precisely controlling the thickness, the nonlinear absorption of PIZA-1 thin films can be switched continuously between reverse saturable absorption (RSA) and saturable absorption (SA) by using the Z-scan technique. In addition, the optical limiting effect could be further optimized by loading C60 in the pores of the PIZA-1 thin film. These findings not only open a new route for the exploitation of third-order NLO thin film materials, but also offer an insightful understanding of porphyrin-based MOF thin films for future broad practical applications.

Graphical abstract: Auto-controlled fabrication of a metal-porphyrin framework thin film with tunable optical limiting effects

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Supplementary files

Article information


Submitted
20 Nov 2019
Accepted
08 Jan 2020
First published
09 Jan 2020

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2020, Advance Article
Article type
Edge Article

Auto-controlled fabrication of a metal-porphyrin framework thin film with tunable optical limiting effects

D. Li, Z. Gu and J. Zhang, Chem. Sci., 2020, Advance Article , DOI: 10.1039/C9SC05881H

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