Electrochemical Route to Fabricate Film‐Like Conjugated Microporous Polymers and Application for Organic Electronics

Gu, Cheng; Chen, Youchun; Zhang, Zhongbo; Xue, Shanfeng; Sun, Shuheng; Zhang, Kai; Zhong, Chengmei; Zhang, Huanhuan; Pan, Yuyu; Lv, Ying; Yang, Yan; Li, Fenghong; Zhang, Suobo; Huang, Fei; Ma, Yan

doi:10.1002/adma.201300839

Cited by 223 publications

(179 citation statements)

References 53 publications

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“…Nevertheless, this method was not developed until recently for the synthesis of POP films. [6] The development of AIE-based highly emissive photofunctional films simultaneously overcomes the above two limitations faced in the POP field.…”

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confidence: 99%

“…[6] Figure 1 a shows the CV curves up to 10 cycles. In the first cycle of the positive CV scan, the onset potential of TPECz appeared at 0.97 V, which was attributed to the oxidation of carbazole groups (see Figure S1 in the Supporting Information).…”

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confidence: 99%

“…[6] The current of this peak increased as the number of cycles increased. This trend was also observed for the reduction peaks.…”

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confidence: 99%

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Design of Highly Photofunctional Porous Polymer Films with Controlled Thickness and Prominent Microporosity

et al. 2015

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Porous organic polymers allow the integration of various π-units into robust porous π-networks, but they are usually synthesized as unprocessable solids with poor light-emitting performance as a result of aggregation-related excitation dissipation. Herein, we report a general strategy for the synthesis of highly emissive photofunctional porous polymer films on the basis of a complementary scheme for the structural design of aggregation-induced-emissive π-systems. We developed a high-throughput and facile method for the direct synthesis of large-area porous thin films at the liquid–electrode interface. The approach enables the preparation of microporous films within only a few seconds or minutes and allows precise control over their thickness with sub-nanometer precision. By virtue of rapid photoinduced electron transfer, the thin films can detect explosives with enhanced sensitivity to low parts-per-million levels in a selective manner.

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Design of Highly Photofunctional Porous Polymer Films with Controlled Thickness and Prominent Microporosity

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“…However, POPs are usually obtained as unproceessable powders. Recently, we established an electrochemical approach for the preparation of POP films, providing a new platform for functional exploration404142.…”

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Cascade exciton-pumping engines with manipulated speed and efficiency in light-harvesting porous π-network films

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et al. 2015

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Light-harvesting antennae are the machinery for exciton pumping in natural photosynthesis, whereas cascade energy transfer through chlorophyll is key to long-distance, efficient energy transduction. Numerous artificial antennae have been developed. However, they are limited in their cascade energy-transfer abilities because of a lack of control over complex chromophore aggregation processes, which has impeded their advancement. Here we report a viable approach for addressing this issue by using a light-harvesting porous polymer film in which a three-dimensional π-network serves as the antenna and micropores segregate multiple dyes to prevent aggregation. Cascade energy-transfer engines are integrated into the films; the rate and efficiency of the energy-funneling engines are precisely manipulated by tailoring the dye components and contents. The nanofilms allow accurate and versatile luminescence engineering, resulting in the production of thirty emission hues, including blue, green, red and white. This advance may open new pathways for realising photosynthesis and photoenergy conversion.

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“…131 Ma and co-workers polymerized carbazole-based tectons for the generation of microporous films, which were subsequently used as anode interlayers in organic light emitting diodes (OLEDs) and solar cells (OSCs). 132 An OLED with the CMP interlayer showed a maximum luminous efficiency, which was 37% higher than in a comparable OLED without an interlayer. In OSCs power-conversion efficiencies of 8.42% have been reached vs. 5.68% for the OSC without an interlayer.…”

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Trends and challenges for microporous polymers

et al. 2017

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Electrochemical Route to Fabricate Film‐Like Conjugated Microporous Polymers and Application for Organic Electronics

Cited by 223 publications

References 53 publications

Design of Highly Photofunctional Porous Polymer Films with Controlled Thickness and Prominent Microporosity

Design of Highly Photofunctional Porous Polymer Films with Controlled Thickness and Prominent Microporosity

Cascade exciton-pumping engines with manipulated speed and efficiency in light-harvesting porous π-network films

Trends and challenges for microporous polymers

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