Thickness-dependent photocatalytic activity of bismuth oxybromide nanosheets with highly exposed (0 1 0) facets

Li, Haiping; Hu, Tingxia; Liu, Jianqiang; Song, Shue; Du, Na; Zhang, Renjie

doi:10.1016/j.apcatb.2015.09.050

Cited by 95 publications

(27 citation statements)

References 40 publications

(60 reference statements)

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“…In particular, study of BiOBr is of great interest owing to its appropriate band gap energy (2.8–2.9 eV) and visible‐light responsiveness . Previous research has attested to the fact that BiOBr exhibits outstanding photodegradation activity and, hence, BiOBr is regarded as an efficient catalyst for environmental remediation . However, the use of BiOBr in the photochemical energy harvesting field is still very limited owing to its intrinsic low conduction band (CB) potential, along with weak reduction power .…”

Section: Introductionmentioning

confidence: 99%

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO₂ Reduction into Renewable Carbon‐Neutral Fuels

et al. 2016

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A highly facile one‐pot ethylene glycol‐assisted solvothermal process was employed to fabricate bismuth oxybromide (BiOBr) with oxygen‐deficient defects. These defects played an indispensable role for superior photocatalytic CO2 reduction, in which the as‐prepared sample demonstrated a remarkable improvement of 3.3 and 5.7‐fold for CH4 production over pristine BiOBr and P25, respectively. The enhancement could be attributed to the presence of oxygen vacancies, which acted as the active sites for CO2 adsorption and activation. In addition, the oxygen–deficiency–induced defect states could effectively trap photogenerated electrons, thus improving the separation of the electron–hole pairs and significantly slow down the recombination rate of charge carriers. On top of that, oxygen‐deficient BiOBr exhibited long term stability (>50 hours of catalytic reaction) for CO2 photoreduction under simulated solar light, where no reducing agent or any post‐treatment was needed to regenerate the oxygen vacancies.

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Section: Introductionmentioning

confidence: 99%

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO₂ Reduction into Renewable Carbon‐Neutral Fuels

et al. 2016

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“…Bismuth oxybromide (BiOBr) have recently drawn intensive attention in photocatalysis owing to its unique layered-structure mediated fantastic optical and electronic properties. [4][5][6][7][8] However, BiOBr still suffers from relative low quantum efficiency, which severely hinders its practicability in environmental and energy technologies. Therefore, further endeavors have been attempted to achieve desired photocatalytic activity of BiOBr.…”

Section: Introductionmentioning

confidence: 99%

Alkali-Induced in Situ Fabrication of Bi₂O₄-Decorated BiOBr Nanosheets with Excellent Photocatalytic Performance

Yue

et al. 2016

J. Phys. Chem. C

110

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A simple alkali (NaOH) post-treatment approach assisted with light irradiation to in situ obtain Bi 2 O 4 nanoparticles decorated BiOBr nanosheets, brown colored BiOBr-0.01, is presented for the first time. Bi 2 O 4 nanoparticles are formed due to a combined action of NaOH induced dehalogenation and light triggered photogenerated hole (h + ) oxidation processes on the surface of BiOBr nanosheets. Importantly, by varying the NaOH concertation in the post-treatment, the content of Bi 2 O 4 phase in the hybrid structures can be easily tuned and predominantly exposed

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“…16 Photoluminescence (PL) intensity is capable of revealing the recombination efficiency of photogenerated e À and h + . 33,45,46 As is known, weaker intensity represents lower recombination efficiency of e À and h + . 40,47 Fig.…”

Section: Optical and Electronic Propertiesmentioning

confidence: 95%

BiOBr/BiOCl/carbon quantum dot microspheres with superior visible light-driven photocatalysis

Zhao

Liang

et al. 2017

RSC Adv.

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Thickness-dependent photocatalytic activity of bismuth oxybromide nanosheets with highly exposed (0 1 0) facets

Cited by 95 publications

References 40 publications

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO₂ Reduction into Renewable Carbon‐Neutral Fuels

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO₂ Reduction into Renewable Carbon‐Neutral Fuels

Alkali-Induced in Situ Fabrication of Bi₂O₄-Decorated BiOBr Nanosheets with Excellent Photocatalytic Performance

BiOBr/BiOCl/carbon quantum dot microspheres with superior visible light-driven photocatalysis

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Thickness-dependent photocatalytic activity of bismuth oxybromide nanosheets with highly exposed (0 1 0) facets

Cited by 95 publications

References 40 publications

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO2 Reduction into Renewable Carbon‐Neutral Fuels

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO2 Reduction into Renewable Carbon‐Neutral Fuels

Alkali-Induced in Situ Fabrication of Bi2O4-Decorated BiOBr Nanosheets with Excellent Photocatalytic Performance

BiOBr/BiOCl/carbon quantum dot microspheres with superior visible light-driven photocatalysis

Contact Info

Product

Resources

About

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO₂ Reduction into Renewable Carbon‐Neutral Fuels

Oxygen‐Deficient BiOBr as a Highly Stable Photocatalyst for Efficient CO₂ Reduction into Renewable Carbon‐Neutral Fuels

Alkali-Induced in Situ Fabrication of Bi₂O₄-Decorated BiOBr Nanosheets with Excellent Photocatalytic Performance