A thiazolo[5,4-d]thiazole-bridged porphyrin organic framework as a promising nonlinear optical material

Mahalaxmi Samal; Sreeramulu Valligatla; Nabil A. Saad; M. Veeramohan Rao; D. Narayana Rao; Rojalin Sahu; Bishnu P. Biswal

doi:10.1039/C9CC05415D

A thiazolo[5,4-d]thiazole-bridged porphyrin organic framework as a promising nonlinear optical material†

Mahalaxmi Samal,^a Sreeramulu Valligatla,^b Nabil A. Saad,

^c M. Veeramohan Rao,^d D. Narayana Rao,

^c Rojalin Sahu

*^a and Bishnu P. Biswal

*^ef

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* Corresponding authors

^a Department of Chemistry, School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Bhubaneswar-24, Odisha, India
E-mail: rsahufch@kiit.ac.in
Fax: +91-674 2725113
Tel: +91-9778127994

^b Institute for Integrative Nanosciences, IFW-Dresden, Dresden, Germany

^c School of Physics, University of Hyderabad, Hyderabad-500046, India

^d Department of Physics, Pondicherry University, Pondicherry-606015, India

^e Faculty of Chemistry and Food Chemistry, Center for Advancing Electronics Dresden, Technische Universität Dresden, Dresden, Germany

^f Max-Planck-Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
E-mail: b.biswal@fkf.mpg.de

Abstract

Porphyrin-based porous organic frameworks are an important group of materials gaining interest due to their structural diversity and distinct opto-electronic properties. However, these materials are seldom explored for nonlinear optical (NLO) applications. In this work, we investigate a thiazolo[5,4-d]thiazole-bridged porous, porphyrin framework (Por-TzTz-POF) with promising NLO properties. The planar TzTz moiety coupled with integrated porphyrin units enables efficient π-conjugation and charge distribution in the Por-TzTz-POF resulting in a high nonlinear absorption coefficient (β = 1100 cm GW⁻¹) with figure of merit (FoM) σ₁/σ₀ = 5571, in contrast to analogous molecules and material counterparts e.g. metal–organic frameworks (MOFs; β = ∼0.3–0.5 cm GW⁻¹), molecular porphyrins (β = ∼100–400 cm GW⁻¹), graphene (β = 900 cm GW⁻¹), and covalent organic frameworks (Por-COF-HH; β = 1040 cm GW⁻¹ and FoM = 3534).

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DOI: https://doi.org/10.1039/C9CC05415D
Article type: Communication
Submitted: 15 Jul 2019
Accepted: 07 Aug 2019
First published: 08 Aug 2019
This article is Open Access

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Chem. Commun., 2019,55, 11025-11028

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A thiazolo[5,4-d]thiazole-bridged porphyrin organic framework as a promising nonlinear optical material

M. Samal, S. Valligatla, N. A. Saad, M. V. Rao, D. N. Rao, R. Sahu and B. P. Biswal, Chem. Commun., 2019, 55, 11025 DOI: 10.1039/C9CC05415D

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Chemical Communications

A thiazolo[5,4-d]thiazole-bridged porphyrin organic framework as a promising nonlinear optical material†

Abstract

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A thiazolo[5,4-d]thiazole-bridged porphyrin organic framework as a promising nonlinear optical material

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