Kohlenstoff‐Nanopunkte als Photokatalysatoren für die freie radikalische und ATRP‐basierte radikalische Photopolymerisation mit blauen LEDs

Kütahya, Ceren; Wang, Ping; Li, Shujun; Liu, Shouxin; Li, Jian; Strehmel, Bernd

doi:10.1002/ange.201912343

Cited by 17 publications

(2 citation statements)

References 50 publications

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“…Another researcher working on the use of CDs in radical polymerization was Kutahya. 50 In this case, initiating systems based on CDs were enriched with iodonium or sulfonium salts and copper was used as a catalyst for the reaction. The use of CDs in cationic polymerization reactions had not been reported in the literature until our group reported it in 2021.…”

Section: Resultsmentioning

confidence: 99%

“…49 Then, Kütahya et al , proposed to use CDs in a binary initiating system with iodine or sulfur. 50 he aforementioned researchers described the use of carbon-based nanomaterials for radical photopolymerization processes (specifically, RAFT and ATRP processes). These researchers described the use of carbon nanomaterials in radical photopolymerization processes (specifically RAFT and ATRP processes).…”

Section: Introductionmentioning

confidence: 99%

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Highly efficient carbon dot-based photoinitiating systems for 3D-VAT printing

Krok,

Tomal,

Knight

et al. 2023

Polym. Chem.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Highly efficient carbon dot-based photoinitiating systems for 3D-VAT printing

Krok,

Tomal,

Knight

et al. 2023

Polym. Chem.

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Solid‐State Fluorescent Carbon Dots with Unprecedented Efficiency from Visible to Near‐Infrared Region

Zhang

et al. 2022

Advanced Science

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Developing solid-state luminescent materials with bright long-wavelength emissions is of considerable practical importance in light-emitting diodes (LEDs) but remains a formidable challenge. Here, a novel structure engineering strategy is reported to realize solid-state fluorescence (FL)-emitted carbon dots (CDs) from visible to near-infrared region. This is the first report of such an extended wavelength emission of self-quenching-resistant solid-state CDs. Notably, the quantum yields of these CDs are remarkably improved up to 67.7%, which is the highest value for solid-state CDs. The surface polymer chains of CDs can efficiently suppress the conjugated sp 2 carbon cores from 𝝅-𝝅 stacking inducing aggregation caused FL quenching, and the redshift of FL emissions is attributed to narrowing bandgap caused by an enlarged sp 2 carbon core. Using these CDs as conversion phosphors, the fabrication of white LEDs with adjustable correlated color temperatures of 1882-5019 K is achieved. Moreover, a plant growth LED device is assembled with a blue-LED chip and deep-red/near-infrared-emitted CDs. Compared with sunlight and white LEDs, the peanuts irradiated by plant growth LED lamp show higher growth efficiency in terms of branches and leaves. This work provides high-quality solid-state CD-based phosphors for LED lighting sources that are required for diverse optoelectronic applications.

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The Rapid and Large‐Scale Production of Carbon Quantum Dots and their Integration with Polymers

Wang

et al. 2020

Angewandte Chemie

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Carbon quantum dots (CDs) have inspired vast interest because of their excellent photoluminescence (PL) performances and their promising applications in optoelectronic, biomedical, and sensing fields. The development of effective approaches for the large‐scale production of CDs may greatly promote the further advancement of their practical applications. In this Minireview, the newly emerging methods for the large‐scale production of CDs are summarized, such as microwave, ultrasonic, plasma, magnetic hyperthermia, and microfluidic techniques. The use of the available strategies for constructing CD/polymer composites with intriguing solid‐state PL is then described. Particularly, the multiple roles of CDs are emphasized, including as fillers, monomers, and initiators. Moreover, typical applications of CD/polymer composites in light‐emitting diodes, fluorescent printing, and biomedicine are outlined. Finally, we discuss current problems and speculate on their future development.

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Kohlenstoff‐Nanopunkte als Photokatalysatoren für die freie radikalische und ATRP‐basierte radikalische Photopolymerisation mit blauen LEDs

Cited by 17 publications

References 50 publications

Highly efficient carbon dot-based photoinitiating systems for 3D-VAT printing

Highly efficient carbon dot-based photoinitiating systems for 3D-VAT printing

Solid‐State Fluorescent Carbon Dots with Unprecedented Efficiency from Visible to Near‐Infrared Region

The Rapid and Large‐Scale Production of Carbon Quantum Dots and their Integration with Polymers

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