Preparation of α-Zirconium Phosphate Nanosheet Stacked Solid Films with High Transparency and Intercalating with Cationic Free-base Porphyrins

Aoyama, Yu-hei; Fujimura, Takuya; Sasai, Ryo

doi:10.1246/cl.180837

Cited by 8 publications

(3 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…ZrP has been successfully exfoliated and its nanosheets used for different applications [ 6 , 21 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 ]. The most widely used strategy for ZrP exfoliation consists of the intercalation of small amine cations that can easily displace the protons from the phosphate groups in an acid-base reaction and enter the interlayer space [ 51 ].…”

Section: Synthesis and Preparation Of Zrp Nanomaterialsmentioning

confidence: 99%

Preparation of Zirconium Phosphate Nanomaterials and Their Applications as Inorganic Supports for the Oxygen Evolution Reaction

Ramos-Garcés

Colón

2020

Nanomaterials

View full text Add to dashboard Cite

Zirconium phosphate (ZrP) nanomaterials have been studied extensively ever since the preparation of the first crystalline form was reported in 1964. ZrP and its derivatives, because of their versatility, have found applications in several fields. Herein, we provide an overview of some advancements made in the preparation of ZrP nanomaterials, including exfoliation and morphology control of the nanoparticles. We also provide an overview of the advancements made with ZrP as an inorganic support for the electrocatalysis of the oxygen evolution reaction (OER). Emphasis is made on how the preparation of the ZrP electrocatalysts affects the activity of the OER.

show abstract

Section: Synthesis and Preparation Of Zrp Nanomaterialsmentioning

confidence: 99%

Preparation of Zirconium Phosphate Nanomaterials and Their Applications as Inorganic Supports for the Oxygen Evolution Reaction

Ramos-Garcés

Colón

2020

Nanomaterials

View full text Add to dashboard Cite

show abstract

“…However, only a small list of chemicals can exfoliate α-ZrP. The most effective exfoliators are tetrabutylammonium hydroxide (TBAOH) ,,− and propylamine (PA). ,,,− Some other exfoliators including tetramethylammonium hydroxide (TMAOH), − methylamine, ,, and long-chain polyetheramines (Jeffamine) ,,− were also reported. A small-molecule-assisted method using ionic liquid as the final exfoliator was also introduced .…”

Section: Introductionmentioning

confidence: 99%

Exfoliation of α-Zirconium Phosphate Using Tetraalkylammonium Hydroxides

et al. 2020

View full text Add to dashboard Cite

α-Zirconium phosphate (α-ZrP), a classical layered compound, has found widespread application. Exfoliation of α-ZrP has been mainly achieved by propylamine (PA) or tetrabutylammonium hydroxide (TBAOH), but the exact mechanism of exfoliation has not been completely elucidated. We examined the feasibility of exfoliation utilizing tetraalkylammonium hydroxide (TXAOH) and investigated the stepwise intercalation/exfoliation mechanism of α-ZrP. All of the TXAOHs examined (carbon number of the branches: 1−4) were able to exfoliate α-ZrP in an aqueous dispersion under ultrasonication. Furthermore, exfoliation of α-ZrP by two different exfoliators (either a mixture of two or sequentially) was also investigated to pinpoint the exfoliation mechanism. Our results indicate that small TXA cations are kinetically preferred to diffuse into the galleries of α-ZrP, while large TXA cations can help open up the galleries and facilitate transport of the already intercalated cations. These findings should help fellow researchers to choose the most suitable exfoliators for their own projects and develop better intercalation/exfoliation systems.

show abstract

“…In this context, we have previously developed functional materials by hybridizing functional molecules, such as dyes, with ion-exchangeable layered inorganic compounds modified with amphipathic molecules. [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20] More specifically, an R6G/C16TMA/Lap hybrid material comprising rhodamine 6G (R6G) and laponite clay (Lap) modified by the hexadecyltrimethylammonium (C16TMA) cation, retained the luminous properties of R6G under both dry and wet conditions. 6 Through the use of hexyltrimethylammonium (C6TMA) cations with shorter alkyl chains instead of C16TMA, the luminous properties of R6G in the R6G/C6TMA/Lap hybrid material varied under dry and wet conditions.…”

Section: Introductionmentioning

confidence: 99%

Ultra-Sensitive Detection of Pyridine in Water Using Zinc Porphyrin Incorporated in a Transparent Hydrophobic Film

Sasai

Aoyama

Fujimura

2021

Preprint

Self Cite

View full text Add to dashboard Cite

In this study, we investigated the axial coordination reaction between pyridine and zinc meso-tetra(4-sulfonatophenyl)porphyrin (ZnTPPS) incorporated in a transparent layered double hydroxide (LDH) film modified with 1-decanesulfonate (C10S) in an aqueous solution. The equilibrium constant (K11) of the axial coordination reaction between pyridine and ZnTPPS incorporated in the transparent ZnTPPS/C10S/LDH film was approximately 260 times that of the corresponding reaction in an aqueous solution. The hydrophobisation of the LDH interlayer space by C10S, which led to the elimination of water molecules surrounding ZnTPPS and enabled the accumulation of pyridine molecules, was responsible for such a significant increase in the K11 value. The developed film can detect pyridine in aqueous solutions with ultra-high sensitivity in the order of 10−5 mol/L through changes in the colour tone, which is comparable to the molecular detection ability of insect antennae. The sensing response was also observed at pyridine concentrations as low as 10−9 mol/L.

show abstract

Preparation of α-Zirconium Phosphate Nanosheet Stacked Solid Films with High Transparency and Intercalating with Cationic Free-base Porphyrins

Cited by 8 publications

References 11 publications

Preparation of Zirconium Phosphate Nanomaterials and Their Applications as Inorganic Supports for the Oxygen Evolution Reaction

Preparation of Zirconium Phosphate Nanomaterials and Their Applications as Inorganic Supports for the Oxygen Evolution Reaction

Exfoliation of α-Zirconium Phosphate Using Tetraalkylammonium Hydroxides

Ultra-Sensitive Detection of Pyridine in Water Using Zinc Porphyrin Incorporated in a Transparent Hydrophobic Film

Contact Info

Product

Resources

About