A versatile, heat-resisting, electrocatalytic active graphene framework by in-situ formation of boron nitride quantum dots

Wu, Wenpeng; He, Zipan; Xiao, Yukun; Zhang, Xinqun; Chen, Kaiyue; Fan, Jinchen; Li, Xin; Qu, Liangti

doi:10.1016/j.carbon.2022.02.055

Cited by 12 publications

(8 citation statements)

References 46 publications

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“…S6 †) showed a strong peak at 26.74°, corresponding to the (002) crystal plane of BN (JCPDS NO.34-0421). 64 According to the results obtained, even after the reaction, the crystal and chemical structure of BNQDs remained unchanged, which further proved its extraordinary stability. Additionally, the XRD patterns shown in Fig.…”

Section: Effects Of Different Factorsmentioning

confidence: 80%

Visible-light-driven BNQD/BiVO₄ material with enhanced photocatalytic activities for naproxen degradation and kinetic insights

Liu

Chen

et al. 2023

Environ. Sci.: Nano

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Section: Effects Of Different Factorsmentioning

confidence: 80%

Visible-light-driven BNQD/BiVO₄ material with enhanced photocatalytic activities for naproxen degradation and kinetic insights

Liu

Chen

et al. 2023

Environ. Sci.: Nano

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“…GO suspension was prepared according to a modi ed Hummers method as reported previously. 22,49,50 First, 3 g natural graphite (325 mesh), and 70 mL concentrated sulfuric acid (98 wt.%) were uniformly mixed and stirred at 0 o C for 30 min. Then, 9 g potassium permanganate was added to this mixture carefully in small amounts and several times.…”

Section: Methodsmentioning

confidence: 99%

Multifunctional solar water harvester with high transport selectivity and fouling rejection capacity

Hao

Yao

Zhang

et al. 2023

Preprint

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Shortage of clean water continues to grow around the world, and the recent solar-powered interfacial system has emerged as a sustainable, efficient and CO2-neutral strategy to produce clean water. However, complex contaminants in surface water in accompany with environment pollution set huge obstacles for harvesting clean water via using sunlight as the energy input. Inspired by the surface structure of fish-scale, we herein develop a solar-powered graphene/alginate hydrogel (GAH)-based clean water extractor of super resistance to the transport of complex contaminants and ultra-antifouling capacity. This GAH features a high selectivity in water transport by rejecting > 99.5% of volatile organic compounds (VOCs), > 99.3% of ions (Na+, Mg2+, K+, Ca2+), 100% of non-volatile organic compounds (NOCs) and bacteria; meanwhile GAH is capable of rejecting oil adhesion by forming large contact angle >140o under water, deactivating nearly 100% bacteria on surface and preventing salt crystallization. Given such promising adaptability to a wide environment, this GAH can directly convert surface water of complex components into safe water that meets drinking standards.

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“…For example, a graphene framework combined with the BN QDs was synthesized by Wu et al. [ 209 ] This well‐designed hybrid catalyst showed an efficient electrocatalytic ORR capability, specifically a positive onset potential (0.96 V vs RHE), small Tafel slope (69.4 mV dec −1 ), and half‐wave potential (0.8 V vs RHE).…”

Section: Semiconducting Qds For Energy Conversionmentioning

confidence: 99%

“…However, the above highly efficient metal‐based QDs for electrocatalytic ORR have drawbacks such as relatively high price and poor stability. Therefore, synthesis of inorganic nonmetallic QDs based catalysts, e.g., g‐C 3 N 4 QDs [ 208 ] and boron nitride (BN) QDs [ 209 ] is important for electrocatalytic ORR. For example, a graphene framework combined with the BN QDs was synthesized by Wu et al.…”

Section: Semiconducting Qds For Energy Conversionmentioning

confidence: 99%

“…However, the above highly efficient metal-based QDs for electrocatalytic ORR have drawbacks such as relatively high price and poor stability. Therefore, synthesis of inorganic nonmetallic QDs based catalysts, e.g., g-C 3 N 4 QDs [208] and boron nitride (BN) QDs [209] is important for electrocatalytic ORR. For example, a graphene framework combined with the BN QDs was synthesized by Wu et al [209] This well-designed hybrid catalyst showed an efficient electrocatalytic ORR capability, specifically a positive onset potential (0.96 V vs RHE), small Tafel slope (69.4 mV dec −1 ), and half-wave potential (0.8 V vs RHE).…”

Section: Electrocatalytic Oxygen Reduction Reactionmentioning

confidence: 99%

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Semiconducting Quantum Dots for Energy Conversion and Storage

Huang

2023

Adv Funct Materials

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Semiconducting quantum dots (QDs) have received huge attention for energy conversion and storage due to their unique characteristics, such as quantum size effect, multiple exciton generation effect, large surface‐to‐volume ratio, high density of active sites, and so on. However, the holistic and systematic understanding of the energy conversion and storage mechanism centering on QDs in specific application is still lacking. Herein, a comprehensive introduction of these extraordinary 0D materials, e.g., metal oxide, metal dichalcogenide, metal halides, multinary oxides, and nonmetal QDs, is presented. It starts with the synthetic strategies and unique properties of QDs. Highlights are focused on the rational design and development of advanced QDs‐based materials for the various applications in energy‐related fields, including photocatalytic H2 production, photocatalytic CO2 reduction, photocatalytic N2 reduction, electrocatalytic H2 evolution, electrocatalytic CO2 reduction, electrocatalytic N2 fixation, electrocatalytic O2 evolution, electrocatalytic O2 reduction, solar cells, metal‐ion batteries, lithium–sulfur batteries, metal–air batteries, and supercapacitors. At last, challenges and perspectives of semiconducting QDs for energy conversion and storage are detailedly proposed.

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A versatile, heat-resisting, electrocatalytic active graphene framework by in-situ formation of boron nitride quantum dots

Cited by 12 publications

References 46 publications

Visible-light-driven BNQD/BiVO₄ material with enhanced photocatalytic activities for naproxen degradation and kinetic insights

Visible-light-driven BNQD/BiVO₄ material with enhanced photocatalytic activities for naproxen degradation and kinetic insights

Multifunctional solar water harvester with high transport selectivity and fouling rejection capacity

Semiconducting Quantum Dots for Energy Conversion and Storage

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A versatile, heat-resisting, electrocatalytic active graphene framework by in-situ formation of boron nitride quantum dots

Cited by 12 publications

References 46 publications

Visible-light-driven BNQD/BiVO4 material with enhanced photocatalytic activities for naproxen degradation and kinetic insights

Visible-light-driven BNQD/BiVO4 material with enhanced photocatalytic activities for naproxen degradation and kinetic insights

Multifunctional solar water harvester with high transport selectivity and fouling rejection capacity

Semiconducting Quantum Dots for Energy Conversion and Storage

Contact Info

Product

Resources

About

Visible-light-driven BNQD/BiVO₄ material with enhanced photocatalytic activities for naproxen degradation and kinetic insights

Visible-light-driven BNQD/BiVO₄ material with enhanced photocatalytic activities for naproxen degradation and kinetic insights