Size‐Controlled Synthesis of Conjugated Polymer Nanoparticles in Confined Nanoreactors

Deng, Shubo; Zhi, Jian; Zhang, Xianmei; Wu, Qingqing; Ding, Yun; Hu, Aiguo

doi:10.1002/anie.201407387

Cited by 45 publications

(27 citation statements)

References 45 publications

(8 reference statements)

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“…Exploration of this newly designed nanoreactor in the synthesis of soluble conjugated microporous polymers (SCMPs) offered exciting results [61]. The preparation of conjugated microporous polymers through hyperbranching polycondensation is generally hard to control, and usually leads to insoluble polymer particles regardless of the solvent used.…”

Section: Fabrication Of Carbon Nanomembranes (2d)mentioning

confidence: 99%

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Recent advances of the Bergman cyclization in polymer science

Chen

2015

Sci. China Chem.

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The Bergman cyclization has strongly impacted on a number of fields including pharmaceutics, synthetic chemistry, and material science. The diradical intermediates stemmed from enediynes can not only cause DNA cleavage under physiological conditions but also function as monomer or initiator participants in polymer science. The homo-polymerization of enediynes through the Bergman cyclization to fabricate conjugated polymers is a fascinating strategy due to the advantages of facial operation, high efficiency, tailored structure, and catalyst-free operation. Moreover, conjugated polymers generated through the Bergman cyclization show many remarkable properties, such as excellent thermal stability, good solubility, and processability, which enables these polymers to be further manufactured into carbon-rich materials. Recent times have seen extensive efforts devoted to the application of the Bergman cyclization in polymer science and materials chemistry. A variety of synthetic strategies have been developed to fabricate structurally unique materials via the Bergman cyclization, including the fabrication of rod-like polymers with polyester, dendrimers and chiral imide side chains, functionalization of carbon nanomaterials by surface-grafting conjugated polymers, formation of nanoparticles by intramolecular collapse of single polymer chains, and the construction of carbon nanomembranes with different morphologies. Future developments involving the Bergman cyclization in polymer science, probably by altering the reaction mechanism to precisely control the microstructure of polymeric products, are also proposed in this review article.

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Section: Fabrication Of Carbon Nanomembranes (2d)mentioning

confidence: 99%

“…HR-TEM images of SCMP1 (a), SCMP2 (b), and SCMP3 (c); (d) size histogram of three SCMPs obtained with HR-TEM[61].…”

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confidence: 99%

Recent advances of the Bergman cyclization in polymer science

Chen

2015

Sci. China Chem.

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“…Unfortunately, in most cases, the applicability of the boronic acid systems was restricted due to their limited solubility in aqueous solutions. Recently, our group reported a new method to synthesize sizecontrolled conjugated microporous polymers (CMPs) through polycondensations 25,26 in conned nanoreactor, where the catalysts (palladium nanoparticles) were embedded in mesoporous supports, namely, silica-supported carbon nanomembranes (SS-CNMs). CMPs, a class of amorphous materials possessing three-dimensional networks with their building blocks linked in a p-conjugated fashion, have emerged as an important material platform since 2007.…”

Section: 15mentioning

confidence: 99%

“…As demonstrated in our earlier work, most of the terminal groups are indeed halides due to the reaction mechanism of Suzuki coupling reaction. 25 The aryl halides are known as a kind of reactive species possible for the introduction of other functional groups through lithiation, Grignard reagent and cross coupling with a variety of nucleophiles. In this work, we used simple lithiation strategy, followed by the addition of trimethylborate and hydrolysis to introduce boronic acid groups onto the surface of the SCPNs, obtained the corresponding BA-SCPNs.…”

Section: Modication Of Scpns With Boronic Acidmentioning

confidence: 99%

Controlled synthesis of soluble conjugated polymeric nanoparticles for fluorescence detection

et al. 2017

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Highly fluorescent soluble conjugated polymeric nanoparticles (SCPNs) were synthesized through Suzukitype polycondensation in confined nanoreactors, resulted in well-controlled particle sizes and uniform particle-size distributions. The SCPNs showed a wide range of the fluorescence emission maximum from 380 nm to 525 nm. They were surface-functionalized with boronic acid groups, obtained the corresponding BA-SCPNs, and further applied to the detection of two physiologically important species glucose and Fe 3+ based on their interactions with boronic acid groups. The fluorescence quenching efficiency reached up to 32.1% and 92.4% for glucose and Fe 3+, respectively. Among these fluorescent probes, BA-SCPN 3 exhibited enhanced glucose sensitivity compared with fructose, which might own to the formation of 1 : 1 cyclic complexes with biboronic acid derivatives. Meanwhile, BA-SCPN 3 also showed superior Fe 3+ selectivity compared with other metal ions probably due to the formation of metal hydroxides between Fe 3+ and the abundant hydroxyl groups in the boronic acid.

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“…Recently, we reported a size-controlled synthesis of SCMPs in homogeneous system with A x þ B y (x ! 2, y > 2) monomers [24]. The sizes of the SCMP nanoparticles were regulated by tuning the pore sizes of the nanoreactors where the confined growth of the SCMPs took place.…”

Section: Introductionmentioning

confidence: 99%