Isoindigo conjugated polymer, semiconductor CNT ink, and preparation method and application of polymer
A conjugated polymer, isoindigo technology, applied in semiconductor/solid-state device manufacturing, semiconductor devices, applications, etc., to achieve the effects of convenient use, high purity and low cost
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[0056] In some embodiments, the preparation method of the isoindigo conjugated polymer may include: selecting a compound having the structure shown in formula ① to carry out a polymerization reaction with a compound containing an Ar group, so as to obtain the isoindigo conjugated polymer conjugated polymers,
[0057]
[0058] The compound containing the Ar group has at least any one of the following structures:
[0059]
[0060] where M includes –SnMe 3 or –B (OR) 2 , R 1 At least be selected from straight chain or branched chain alkyl or heteroalkyl with carbon number of 1~20, R is at least selected from hydrogen atom or C 1 -C 20 straight-chain or branched-chain alkyl groups.
[0061] Further, the polymerization reaction is a polycondensation reaction catalyzed by a transition metal, for example, it may preferably be selected from metal-catalyzed Suzuki polymerization or metal-catalyzed Stille polymerization.
[0062] In some more preferred embodiments, the prepa...
Embodiment 1- Embodiment 4
[0089] One, embodiment 1-embodiment 4 relates to the synthesis of multiple typical isoindigo conjugated polymers
Embodiment 1
[0090] Example 1: Preparation of poly[N,N'-bis(2-octyldodecyl)-isoindigo-co-(9,9-dioctylfluorenyl-2,7-diyl)]:
[0091] The structural formula of the poly[N,N'-di(2-octyldodecyl)-isoindigo-co-(9,9-dioctylfluorenyl-2,7-diyl)] is as follows:
[0092]
[0093] Its synthesis process route is:
[0094]
[0095] Under the condition of nitrogen protection, 0.1mmoL 9,9-dioctylfluorenyl-2,7-diboronate, 0.1mmoL N,N′-di(2-octyldodecyl)-6,6 Add ′-dibromoisoindigo, 0.005mmoL tetrakis(triphenylphosphine)palladium, 0.01mmoL tetrabutylammonium bromide and 0.5mmoL potassium carbonate to a 10mL Schlenk tube, then add 5m1 toluene and 0.5mL water, and heat to 100 React at ℃ for 72 hours to obtain a polymer, settle the polymer in methanol, filter, and then sequentially extract with methanol and n-hexane in a Soxhlet extractor. In order to obtain a product with higher purity, the n-hexane extract can be concentrated again Settled in methanol, filtered and dried under vacuum to give a brown s...
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