Post-polymerisation functionalisation of conjugated polymer backbones and its application in multifunctional emissive nanoparticles

被引:53
作者
Creamer, Adam [1 ,2 ]
Wood, Christopher S. [3 ,4 ,5 ]
Howes, Philip D. [3 ,4 ,5 ,6 ]
Casey, Abby [1 ,2 ]
Cong, Shengyu [1 ,2 ]
Marsh, Adam V. [1 ,2 ]
Godin, Robert [1 ,2 ]
Panidi, Julianna [2 ,7 ]
Anthopoulos, Thomas D. [7 ,8 ]
Burgess, Claire H. [3 ]
Wu, Tingman [1 ,2 ]
Fei, Zhuping [1 ,2 ]
Hamilton, Iain [2 ,7 ]
McLachlan, Martyn A. [3 ]
Stevens, Molly M. [3 ,4 ,5 ]
Heeney, Martin [1 ,2 ]
机构
[1] Imperial Coll London, Dept Chem, London SW7 2AZ, England
[2] Imperial Coll London, Ctr Plast Elect, London SW7 2AZ, England
[3] Imperial Coll London, Dept Mat, London SW7 2AZ, England
[4] Imperial Coll London, Dept Bioengn, London SW7 2AZ, England
[5] Imperial Coll London, Inst Biomed Engn, London SW7 2AZ, England
[6] Swiss Fed Inst Technol, Inst Chem & Bioengn, Dept Chem & Appl Biosci, CH-8093 Zurich, Switzerland
[7] Imperial Coll London, Dept Phys, London SW7 2AZ, England
[8] King Abdullah Univ Sci & Technol KAUST, Phys Sci & Engn Div PSE, Thuwal 239556900, Saudi Arabia
基金
英国工程与自然科学研究理事会; 英国惠康基金;
关键词
NEAR-INFRARED FLUORESCENCE; NARROW-BAND EMISSION; CLICK-CHEMISTRY; SOLAR-CELLS; BIOLOGICAL APPLICATIONS; ORGANIC ELECTRONICS; CROSS-LINKING; DOTS; BRIGHT; ULTRABRIGHT;
D O I
10.1038/s41467-018-05381-4
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Backbone functionalisation of conjugated polymers is crucial to their performance in many applications, from electronic displays to nanoparticle biosensors, yet there are limited approaches to introduce functionality. To address this challenge we have developed a method for the direct modification of the aromatic backbone of a conjugated polymer, post-polymerisation. This is achieved via a quantitative nucleophilic aromatic substitution (SNAr) reaction on a range of fluorinated electron-deficient comonomers. The method allows for facile tuning of the physical and optoelectronic properties within a batch of consistent molecular weight and dispersity. It also enables the introduction of multiple different functional groups onto the polymer backbone in a controlled manner. To demonstrate the versatility of this reaction, we designed and synthesised a range of emissive poly(9,9-dioctylfluorene-alt-benzothiadiazole) (F8BT)-based polymers for the creation of mono and multifunctional semiconducting polymer nanoparticles (SPNs) capable of two orthogonal bioconjugation reactions on the same surface.
引用
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页数:11
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