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Thiazolo[5,4-d]thiazole-Bridged Porphyrin Organic Framework as Promising Nonlinear Optical Material

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 Por-TzTz-POF resulting in a high nonlinear absorption coefficient (β = 1100 cm/GW) 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), molecular porphyrins (β = ~100-400 cm/GW), graphene (β = 900 cm/GW), and covalent organic frameworks (Por-COF-HH; β = 1040 cm/GW and FoM = 3534).

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Publication details

The article was received on 15 Jul 2019, accepted on 07 Aug 2019 and first published on 08 Aug 2019


Article type: Communication
DOI: 10.1039/C9CC05415D
Chem. Commun., 2019, Accepted Manuscript
  • Open access: Creative Commons BY license
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    Thiazolo[5,4-d]thiazole-Bridged Porphyrin Organic Framework as Promising Nonlinear Optical Material

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

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