Pyrene-4,5,9,10-tetraone

CAS Number 14727-71-0

Battery Materials, Cathode Active Materials, Chemistry Building Blocks, Materials

Covalent Organic Frameworks (COFs) Pyrene Ligand

A 1,2-diketone bridging ligand linker for COFs in application of lithium or sodium ion batteries as cathode (or anode) materials

Overview
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Pyrene-4,5,9,10-tetraone (PTO), CAS number 14727-71-0, can be considered as oxidised pyrene with two six-membered cyclic 1,2-diketone units that are settled on each bay area of the biphenyl structure. It is a popular candidate engaged in synthesis of the covalent organic frameworks (COFs) and in lithium or sodium ion batteries as cathode (or anode) materials. In combination with carbon nanomaterials such as carbon nanotubes or graphene, pyrene-4,5,9,10-tetraone exhibits high theoretical specific capacity, high redox potential, and the high utility of active sites by forming polymers, immobilising with carbon nanomaterials, changing polarity to form salts, and optimizing electrolytes.

Poly(pyrene-4,5,9,10-tetraone) (PPTO) has been of great interest in battery research. Binary π-conjugated PPTO and carbon nanotubes composites (PPTO–CNTs) electrodes displayed a high discharge capacity of 360.2 mAh g⁻¹, long cycling stability with a capacity retention of 95.1% after 1300 cycles, and high-rate capability of 194.5 mAh g⁻¹ at 10.0 A g⁻¹. Pyrene-4,5,9,10-tetraone based COF with 50 wt % of carbon nanotube (CNT) composite, PT-COF50, achieved a capacity of up to 280 mAh g^–1 as normalized to the active COF material at a current density of 200 mA g^–1. Furthermore, PT-COF50 exhibited excellent rate performance, delivering a capacity of 229 mAh g^–1 at 5000 mA g^–1 (18.5C).

MOF and COF ligands

1,2-diketone ligand for cross-linked COF networks

Worldwide shipping

Quick and reliable shipping

High purity

>98% High purity

Facile reactions

readily for amination reactions

General Information

CAS Number	14727-71-0
Chemical Formula	C₁₆H₆O₄
Full Name	Pyrene-4,5,9,10-tetraone
Molecular Weight	262.22 g/mol
Synonyms	PTO, PYT, 4,5,9,10-Pyrenetetrone
Classification / Family	Pyrenes, COF ligands, Battery materials, Cathode materials

Chemical Structure

Product Details

Purity	>98%
Melting Point	N/A
Appearance	Yellow to orange powder to flakes/crystals

MSDS Documentation

Pyrene-4,5,9,10-tetraone MSDS Sheet

Literature and Reviews

Polymer-Bound Pyrene-4,5,9,10-tetraone for Fast-Charge and -Discharge Lithium-Ion Batteries with High Capacity, T. Nokami et al., J. Am. Chem. Soc., 134 (48), 19694–19700 (2012); DOI: 10.1021/ja306663g.
A Pyrene-4,5,9,10-Tetraone-Based Covalent Organic Framework Delivers High Specific Capacity as a Li-Ion Positive Electrode, H. Gao et al., J. Am. Chem. Soc., 144 (21), 9434−9442 (2022); DOI: 10.1021/jacs.2c02196.
In Situ Polymerized Conjugated Poly(pyrene-4,5,9,10-tetraone)/Carbon Nanotubes Composites for High-Performance Cathode of Sodium Batteries, R. Shi et al., Adv. Energy Mater., 11 (6), 2002917 (2021); DOI: 10.1002/aenm.202002917.
The synthesis of alternating donor–acceptor polymers based on pyrene-4,5,9,10-tetraone and thiophene derivatives, their composites with carbon, and their lithium storage performances as anode materials, X. Guo et al., RSC Adv., 11, 15044-15053 (2021); DOI: 10.1039/D1RA00794G.
Electron donors and acceptors based on 2,7-functionalized pyrene-4,5,9,10-tetraone, S. Kawano et al., Chem. Commun., 49, 5058-5060 (2013); DOI: 10.1039/C3CC39141H.
Two-Dimensional (2D) Covalent Organic Framework as Efficient Cathode for Binder-free Lithium-Ion Battery, C. Yao et al., ChemSusChem, 13 (9), 2457-2463 (2020); DOI: 10.1002/cssc.201903007.

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