Up-converted nitrogen-doped carbon quantum dots to accelerate charge transfer of dibismuth tetraoxide for enhanced full-spectrum photocatalytic activity

Zheng, Shizheng; Qin, Feng; Hu, Changyuan; Zhang, Cuiqing; Ma, Yanting; Yang, Ruofan; Wei, Lin; Bao, Liwen

doi:10.1016/j.colsurfa.2021.126217

Cited by 13 publications

(10 citation statements)

References 39 publications

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“…43 This conversion behavior depends on the multiphoton active process, which transfers the photo-generated electrons to the acceptor. 44,45…”

Section: Resultsmentioning

confidence: 99%

“…43 This conversion behavior depends on the multiphoton active process, which transfers the photo-generated electrons to the acceptor. 44,45 In order to research the separation process of photogenerated electrons, the transient photocurrent response graphs of Ag 3 PO 4 and NCQDs(0.75%)/Ag 3 PO 4 were tested. As revealed in Fig.…”

Section: Structure and Properties Analysismentioning

confidence: 99%

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Preparation of Ag₃PO₄tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

Shen

et al. 2023

New J. Chem.

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“…43 This conversion behavior depends on the multiphoton active process, which transfers the photo-generated electrons to the acceptor. 44,45…”

Section: Resultsmentioning

confidence: 99%

Section: Structure and Properties Analysismentioning

confidence: 99%

Preparation of Ag₃PO₄tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

Shen

et al. 2023

New J. Chem.

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“…Specifically, a H 2 evolution rate of around 20.1 mmol g –1 h –1 was obtained by the N-CDs/CdS-5 over the NIR broad spectrum. Zheng et al synthesized N-CQDs-loaded Bi 2 O 4 (N-CQDs/Bi 2 O 4 ) for effective photocatalytic degradation of MO with NIR light irradiation . Under NIR light, 0.3% N-CQDs/Bi 2 O 4 exhibited the optimum photocatalytic degradation efficiency to MO, which was 2.9 times higher than bare Bi 2 O 4 .…”

Section: Design Strategy Of Nir-active Photocatalysismentioning

confidence: 99%

Photocatalysis Driven by Near-Infrared Light: Materials Design and Engineering for Environmentally Friendly Photoreactions

Shen

et al. 2021

ACS EST Eng.

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Heterogeneous photocatalysis has captured worldwide attention because of its tremendous potential in the field of solar energy conversion to solve energy and environmental issues. Efficient utilization of solar energy is always the target of our pursuit in the areas of photocatalysis. The design of appropriate photocatalysts for wide-range light harvest from ultraviolet to near-infrared regions is a promising way to realize the practical utilization of photocatalysis. To date, the exploration of NIR light-responsive photocatalysis includes sensitization with near-infrared light (NIR) responsive materials such as dye molecules and black phosphorus, the surface plasmon resonance effect, upconversion, and narrow band gap materials as NIR harvesters. This review gives a comprehensive discussion and summary on the latest developments of the design and engineering of NIR-active photocatalysts and the related photocatalytic system for various environmentally friendly photoreactions including environmental remediation, water splitting, CO2 reduction, nitrogen fixation, and selective organic transformations. Finally, the future perspectives and challenges are present at the end in order to give a comprehensive understanding about the present near-infrared-driven photocatalysis and the promising directions for future investigations.

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“…Excitation with 560–760 nm light resulted in upconverted emissions between 300 and 550 nm, with a maximum intensity at 350 nm under 600 nm irradiation. Zheng et al synthesized NCQDs with upconversion capabilities via the hydrothermal treatment of Na 2 C 2 O 4 and CO(NH 2 ) 2 . The NCQDs comprised 5 nm quasi-spherical nanoparticles that could upconvert light in a broad range from 400 to 1000 nm.…”

Section: Optical Properties Of Cqdsmentioning

confidence: 99%

“…Zheng et al synthesized NCQDs with upconversion capabilities via the hydrothermal treatment of Na 2 C 2 O 4 and CO(NH 2 ) 2 . 107 The NCQDs comprised 5 nm quasi-spherical nanoparticles that could upconvert light in a broad range from 400 to 1000 nm. The maximum upconversion occurred under 750 nm irradiation, with a peak upconversion intensity at 480 nm.…”

Section: Optical Properties Of Cqdsmentioning

confidence: 99%

Carbon-Based Quantum Dots for Photovoltaic Devices: A Review

Kim

Dash

Kumar

et al. 2021

ACS Appl. Electron. Mater.

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Interest in carbon quantum dots (CQDs) has recently boomed due to their potential to enhance the performance of various solar technologies as nontoxic, naturally abundant, and cleanly produced nanomaterials. CQDs and their other variations, such as nitrogen-doped carbon quantum dots (NCQDs) and graphene quantum dots (GQDs), have improved the performance of luminescent solar concentrators (LSCs) and photovoltaic (PV) cells due to their excellent optical properties. As fluorophores in LSCs, CQDs are mostly transparent to visible light and have absorption/re-emission spectra that can be easily controlled. The outstanding optical properties of CQDs make them promising materials to replace expensive, heavy-metal-based fluorophores. Various CQDs have also been used as or doped into the photoanode, counter electrode, hole transport layer (HTL), and electron transport layer (ETL) of dye-sensitized solar cells (DSSCs), organic solar cells (OSC), perovskite solar cells (PSCs), and other PV cell configurations. The addition of CQDs into the various solar cell components has reduced electron recombination, increased charge density, and boosted electron mobility, improving the performance of the PV cells. Enhancing the power conversion efficiency (PCE) of photovoltaic devices is essential in propagating green energy technology. Thus, CQDs offer an affordable, safe, and environmentally friendly method to advance photovoltaic performance.

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Up-converted nitrogen-doped carbon quantum dots to accelerate charge transfer of dibismuth tetraoxide for enhanced full-spectrum photocatalytic activity

Cited by 13 publications

References 39 publications

Preparation of Ag₃PO₄tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

Preparation of Ag₃PO₄tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

Photocatalysis Driven by Near-Infrared Light: Materials Design and Engineering for Environmentally Friendly Photoreactions

Carbon-Based Quantum Dots for Photovoltaic Devices: A Review

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Up-converted nitrogen-doped carbon quantum dots to accelerate charge transfer of dibismuth tetraoxide for enhanced full-spectrum photocatalytic activity

Cited by 13 publications

References 39 publications

Preparation of Ag3PO4tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

Preparation of Ag3PO4tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

Photocatalysis Driven by Near-Infrared Light: Materials Design and Engineering for Environmentally Friendly Photoreactions

Carbon-Based Quantum Dots for Photovoltaic Devices: A Review

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Preparation of Ag₃PO₄tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance

Preparation of Ag₃PO₄tetrapods anchored to nitrogen-doped carbon quantum dots for enhanced photocatalytic performance