Optofluidic membrane microreactor for photocatalytic reduction of CO 2

Cheng, Xin; Chen, Rong; Zhu, Xun; Liu, Qiang; He, Xiao‐Ting; Li, Shuzhe; Li, Lin

doi:10.1016/j.ijhydene.2015.12.066

Cited by 74 publications

(27 citation statements)

References 34 publications

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“…Optofluidic microreactors have been firstly applied for water purification [ 50 ], water splitting [ 73 ], photocatalytic fuel cells [ 75 ] and then CO 2 reduction [ 76 ]. Chen et al combined the optofluidics with the TiO 2 /carbon paper composite membrane for the photoreduction of CO 2 [ 76 ], as shown in Fig. 6 .…”

Section: Reviewmentioning

confidence: 99%

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Review on optofluidic microreactors for artificial photosynthesis

Huang¹,

Wang²,

Li³

et al. 2018

Beilstein J. Nanotechnol.

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Artificial photosynthesis (APS) mimics natural photosynthesis (NPS) to store solar energy in chemical compounds for applications such as water splitting, CO2 fixation and coenzyme regeneration. NPS is naturally an optofluidic system since the cells (typical size 10 to 100 µm) of green plants, algae, and cyanobacteria enable light capture, biochemical and enzymatic reactions and the related material transport in a microscale, aqueous environment. The long history of evolution has equipped NPS with the remarkable merits of a large surface-area-to-volume ratio, fast small molecule diffusion and precise control of mass transfer. APS is expected to share many of the same advantages of NPS and could even provide more functionality if optofluidic technology is introduced. Recently, many studies have reported on optofluidic APS systems, but there is still a lack of an in-depth review. This article will start with a brief introduction of the physical mechanisms and will then review recent progresses in water splitting, CO2 fixation and coenzyme regeneration in optofluidic APS systems, followed by discussions on pending problems for real applications.

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Section: Reviewmentioning

confidence: 99%

Section: Reviewmentioning

confidence: 99%

Review on optofluidic microreactors for artificial photosynthesis

Huang¹,

Wang²,

Li³

et al. 2018

Beilstein J. Nanotechnol.

View full text Add to dashboard Cite

show abstract

“…For optofluidic membrane microreactors, the high surface-area-to-volume ratio, uniform light refraction, and enhanced photon and mass transfer can be achieved. Still, the low throughput for this design substantially limits its scale-up potential for practical applications ( Cheng et al., 2016 ). Fluidized bed reactors could facilitate uniform particle mixing but usually require larger vessel size, thus higher capital cost.…”

Section: Introductionmentioning

confidence: 99%

HI-Light: A Glass-Waveguide-Based “Shell-and-Tube” Photothermal Reactor Platform for Converting CO2 to Fuels

et al. 2020

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“…Optofluidic reactors have intrinsic merits, such as fine flow control, large surface-to-volume ratio, and direct delivery of light to the reaction surface, making them natural photoreactors for photocatalysis [7][8][9][10]. Some studies showed microfluidic methods for achieving good degradation efficiency of polluted water [11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Paper-based Photocatalysts Immobilization without Coffee Ring Effect for Photocatalytic Water Purification

Lin

Huang

et al. 2020

Micromachines

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Photocatalytic water purification is important for the degradation of organic pollutants, attracting intensive interests. Photocatalysts are preferred to be immobilized on a substrate in order to reduce the laborious separation and recycling steps. To get uniform irradiation, the photocatalysts are preferred to be even/uniform on the substrate without aggregation. Generally, the “coffee ring effect” occurs on the substrate during solvent evaporation, unfortunately resulting in the aggregation of the photocatalysts. This aggregation inevitably blocks the exposure of active sites, reactant exchange, and light absorption. Here, we reported a paper-based photocatalyst immobilization method to solve the “coffee ring” problem. We also used a “drop reactor” to achieve good photocatalytic efficiency with the advantages of large surface area, short diffusion lengths, simple operation, and uniform light absorption. Compared with the coffee ring type, the paper-based method showed higher water purification efficiency, indicating its potential application value in the future.

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Optofluidic membrane microreactor for photocatalytic reduction of CO 2

Cited by 74 publications

References 34 publications

Review on optofluidic microreactors for artificial photosynthesis

Review on optofluidic microreactors for artificial photosynthesis

HI-Light: A Glass-Waveguide-Based “Shell-and-Tube” Photothermal Reactor Platform for Converting CO2 to Fuels

Paper-based Photocatalysts Immobilization without Coffee Ring Effect for Photocatalytic Water Purification

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