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Fluorene-based nano-lattice polymer and its preparation method and application

A nano-lattice and polymer technology, applied in semiconductor/solid-state device manufacturing, electric solid-state devices, semiconductor devices, etc., can solve problems such as insufficient depth, and achieve the effects of mild conditions, excellent storage performance, and high yield

Active Publication Date: 2021-05-25
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the precise control of the nanoscale pore size of cyclic compounds and the introduction of high-performance optoelectronic groups are also facing a series of challenges. The application research in the field of optoelectronic materials has just started and is not deep enough.

Method used

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  • Fluorene-based nano-lattice polymer and its preparation method and application
  • Fluorene-based nano-lattice polymer and its preparation method and application
  • Fluorene-based nano-lattice polymer and its preparation method and application

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preparation example Construction

[0053] The preparation method of a class of fluorenyl nano-lattice polymers provided by the present invention comprises the following steps: polymerize the reserved nano-lattice fragments of carbazole amino end groups with dihalogenated alkyl chains, and carry out the polymerization reaction through organic tert-butanol bases. Catalyze, obtain polymer, its reaction condition is as follows:

[0054]

[0055] Among them: W, Ar 1 、Ar 2 The structure is the same as above, X is Cl, Br or I, R is a linear or branched alkyl chain with 2 to 12 carbon atoms, and n is 1-1000.

Embodiment 1

[0058] When W is C; Ar 1 For p-bromooctyloxybenzene, Ar 2 is a C-C bond, R is n-butane, and the structure of the nano-lattice polymer is as follows:

[0059]

[0060] The polymer P1 is prepared by the nucleophilic substitution polymerization reaction of the rigid fluorene-based nano-lattice polymer precursor M1 and the double-halogenated n-butane unit M2 under alkali-catalyzed conditions. The reaction route is as follows:

[0061]

[0062] The overall reaction route for preparing the rigid fluorene-based nano-lattice polymer precursor M1 and copolymerizing with the n-butane unit M2 to prepare the polymer is as follows:

[0063]

[0064] The specific preparation method is as follows: the synthesis of the rigid fluorene-based nano-lattice polymer precursor M1 is obtained through two-step reactions, and the Suzuki coupling reaction between the tertiary alcohol borate 1 and 3-bromocarbazole is used to obtain the ring-closing precursor 2, and the ring-closing precursor 2 ...

Embodiment 2

[0069] The linear mass spectrometry test was carried out on the fluorenyl nano-lattice polymer P1, and the instrument used was matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOFMS) in a BRUKER AUTOFLEX SPEED mass spectrometer. The test polymer is carried out in a linear mode, and the molecular weight distribution of the polymer is between 7000-30000.

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Abstract

The invention discloses a fluorenyl nano-lattice polymer and its preparation method and application. The general structural formula of the fluorenyl nano-lattice polymerization is shown in formula (1): in the formula (1), W is C or N; x , y are respectively the relative content of the cyclic lattice segment and the alkyl chain R in the general structural formula; n is the degree of polymerization of the polymer; 0

Description

technical field [0001] The invention belongs to the technical field of organic semiconductor plastic electronics, and in particular relates to a solution-processable fluorene-based nano-lattice polymer material with a nano-scale aperture and a preparation method and application thereof. Background technique [0002] Due to the advantages of low production cost, simple manufacturing process, and the ability to prepare flexible large-area devices, organic optoelectronic devices have become a research hotspot for scientists at home and abroad, and therefore the requirements for materials are getting higher and higher. Nowadays, organic materials have been widely used in organic solar cells, organic electroluminescence, organic photodetection, organic storage, organic laser and other fields; at the same time, organic small molecules, oligomers and copolymers, and stacked polymers have also been developed in recent years. hotspot. Compared with single-chain π system molecules, n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G61/12H01L51/30H01L51/46
CPCC08G61/02C08G61/124C08G2261/1424C08G2261/124C08G2261/3142C08G2261/3241C08G2261/95C08G2261/5222C08G2261/411C08G2261/91C08G2261/64C08G2261/59H10K85/111Y02E10/549
Inventor 解令海卞临沂陈建国余洋黄维
Owner NANJING UNIV OF POSTS & TELECOMM
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