A biomimetic photoelectrocatalyst of Co–porphyrin combined with a g-C3N4 nanosheet based on π–π supramolecular interaction for high-efficiency CO2 reduction in water medium

Liu, Jibo; Shi, Huijie; Shen, Qi; Guo, Chenyan; Zhao, Guohua

doi:10.1039/c7gc02657a

Cited by 81 publications

(41 citation statements)

References 68 publications

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“…7 a–c). This may arise from the combination of both aromatic isocyanurate π-π stacking and boron-oxygen ligand interactions to afford supramolecular arrays of dendrons 1 , 19 , 128 . Furthermore, the obtained images shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

Dendrons containing boric acid and 1,3,5-tris(2-hydroxyethyl)isocyanurate covalently attached to silica-coated magnetite for the expeditious synthesis of Hantzsch esters

Sam

Dekamin

Alirezvani

2021

Sci Rep

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A new multifunctional dendritic nanocatalyst containing boric acid and 1,3,5-tris(2-hydroxyethyl)isocyanurate covalently attached to core–shell silica-coated magnetite (Fe3O4@SiO2@PTS-THEIC-(CH2)3OB(OH)2) was designed and properly characterized by different spectroscopic or microscopic methods as well as analytical techniques used for mesoporous materials. It was found that the combination of both aromatic π–π stacking and boron–oxygen ligand interactions affords supramolecular arrays of dendrons. Furthermore, the use of boric acid makes this dendritic catalyst a good choice, from corrosion, recyclability and cost points of view. The catalytic activity of Fe3O4@SiO2@PTS-THEIC-(CH2)3OB(OH)2, as an efficient magnetically recoverable catalyst, was investigated for the synthesis of polyhydroacridines (PHAs) as well as polyhydroquinolines (PHQs) via one-pot multicomponent reactions of dimedone and/or ethyl acetoacetate, different aldehydes and ammonium acetate in EtOH under reflux conditions. Very low loading of the catalyst, high to quantitative yields of the desired PHAs or PHQs products, short reaction times, wide scope of the substrates, eliminating any toxic heavy metals or corrosive reagents for the modification of the catalyst, and simple work-up procedure are remarkable advantages of this green protocol. An additional advantage of this magnetic nanoparticles catalyst is its ability to be separated and recycled easily from the reaction mixture with minimal efforts in six subsequent runs without significant loss of its catalytic activity. This magnetic and dendritic catalyst can be extended to new two- and three-dimensional covalent organic frameworks with different applications.

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Section: Resultsmentioning

confidence: 99%

Dendrons containing boric acid and 1,3,5-tris(2-hydroxyethyl)isocyanurate covalently attached to silica-coated magnetite for the expeditious synthesis of Hantzsch esters

Sam

Dekamin

Alirezvani

2021

Sci Rep

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“…[ 63‐66 ] Because of low reactivity, porphyrins may improve the photocatalytic properties of GCN mainly via π‐π stacking, hydrogen bonding and electrostatic interactions. [ 67‐70 ] However, these weak interactions were insufficient to improve the election transfer of GCN. Tian et al .…”

Section: Synthesis Of Gcn Based Materials With Ictmentioning

confidence: 99%

In‐depth Understanding of the Effects of Intramolecular Charge Transfer on Carbon Nitride Based Photocatalysts†

et al. 2021

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Intramolecular charge transfer (ICT) derived from a donor‐acceptor system has been applied for years to enhance the charge mobility in the field of organic photovoltaics and chemical sensing. Similar strategies have gradually been developed in polymeric graphitic carbon nitride (GCN) photocatalytic systems for promoting the light absorption and charge separation. However, there are no reviews focusing on the effects of ICT after the modification of GCN so far. Herein, we summarize some typical literature on GCN engineering to expound profoundly the roles of ICT in electronic properties regulation in terms of in‐situ formation and molecular coupling. At last, some important perspectives are also proposed. This review will deepen understanding of the traditional theory for a new recognition among such many methods to improve the performance of GCN.

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“…Zhao et al. have exploited the π–π stacking of Co–porphyrin and g‐C 3 N 4 to develop a photoelectrocatalyst for the reduction of CO 2 to HCO 2 H in water . At a low overpotential, a TON of 137 could be achieved with 100 % selectivity for the liquid HCO 2 H product (Table ).…”

Section: Co2 Fixation Reactionsmentioning

confidence: 99%

“…[119] Gao et al have observed2 6times higher CO 2 electroreduction activity of ultrathin layers of metallic Co over the bulk Co. [120] On the other hand, Pd films depositedo np orous Ni foam were found to be efficient fort he electrocatalytic reduction of CO 2 fumarate with no traces of CO. [121] Zhao et al have exploited the p-p stacking of Co-porphyrin and g-C 3 N 4 to develop ap hotoelectrocatalyst for the reductiono fC O 2 to HCO 2 Hi nw ater. [122] At al ow overpotential, a TON of 137 could be achieved with 100 %s electivity fort he liquid HCO 2 Hp roduct (Table 1). Very recently Li et al have reported high catalytic activity of narrow band gap CdSeTeN Ps (1.24 eV) supported over TiO 2 nanotubes for the photoelectrochemicalreduction of CO 2 to methanol.…”

Section: Eelectrocatalytic Reductiono Fc Omentioning

confidence: 99%

Supported Porous Nanomaterials as Efficient Heterogeneous Catalysts for CO₂ Fixation Reactions

Bhanja

Modak

Bhaumik

2018

Chemistry A European J

116

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CO is a major greenhouse gas responsible for global warming and can act as an abundant and inexpensive C1 source for enhancing the chain length/functionalization of a wide range of reactive organic molecules. It is moderately reactive, nontoxic and renewable. Thus, CO fixation reactions are important to meet the global challenges, that is, to mitigate the concentration of CO in the atmosphere through its fruitful utilization, which is of great interest from economic and environmental perspectives. Various metallic nanoparticles as well as metal oxides can be supported over high surface area porous materials and the resulting nanomaterial can act as heterogeneous and reusable solid catalyst for CO fixation reactions for the synthesis of a large number of fuels, natural products agrochemicals, and pharmaceutical compounds. Here we present an overview of the recent progress as well as promising future of metal/metal oxide nanoparticles supported over porous nanomaterials as heterogeneous catalysts for a wide spectrum of these CO fixation reactions.

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A biomimetic photoelectrocatalyst of Co–porphyrin combined with a g-C₃N₄ nanosheet based on π–π supramolecular interaction for high-efficiency CO₂ reduction in water medium

Abstract: Aiming at high-efficiency biomimetic CO2 reduction, a photoelectrocatalyst with excellent CO2 catalytic activity was designed and prepared by self-assembly immobilizing CoTPP onto g-C3N4 based on π–π interaction.

Cited by 81 publications

References 68 publications

Dendrons containing boric acid and 1,3,5-tris(2-hydroxyethyl)isocyanurate covalently attached to silica-coated magnetite for the expeditious synthesis of Hantzsch esters

Dendrons containing boric acid and 1,3,5-tris(2-hydroxyethyl)isocyanurate covalently attached to silica-coated magnetite for the expeditious synthesis of Hantzsch esters

In‐depth Understanding of the Effects of Intramolecular Charge Transfer on Carbon Nitride Based Photocatalysts†

Supported Porous Nanomaterials as Efficient Heterogeneous Catalysts for CO₂ Fixation Reactions

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A biomimetic photoelectrocatalyst of Co–porphyrin combined with a g-C3N4 nanosheet based on π–π supramolecular interaction for high-efficiency CO2 reduction in water medium

Abstract: Aiming at high-efficiency biomimetic CO2 reduction, a photoelectrocatalyst with excellent CO2 catalytic activity was designed and prepared by self-assembly immobilizing CoTPP onto g-C3N4 based on π–π interaction.

Cited by 81 publications

References 68 publications

Dendrons containing boric acid and 1,3,5-tris(2-hydroxyethyl)isocyanurate covalently attached to silica-coated magnetite for the expeditious synthesis of Hantzsch esters

Dendrons containing boric acid and 1,3,5-tris(2-hydroxyethyl)isocyanurate covalently attached to silica-coated magnetite for the expeditious synthesis of Hantzsch esters

In‐depth Understanding of the Effects of Intramolecular Charge Transfer on Carbon Nitride Based Photocatalysts†

Supported Porous Nanomaterials as Efficient Heterogeneous Catalysts for CO2 Fixation Reactions

Contact Info

Product

Resources

About

A biomimetic photoelectrocatalyst of Co–porphyrin combined with a g-C₃N₄ nanosheet based on π–π supramolecular interaction for high-efficiency CO₂ reduction in water medium

Supported Porous Nanomaterials as Efficient Heterogeneous Catalysts for CO₂ Fixation Reactions