Highly Efficient Surface Modification of Layered Perovskite Nanosheets with a Phosphorus Coupling Reagent Making Use of Microchannels.,Langmuir

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Highly Efficient Surface Modification of Layered Perovskite Nanosheets with a Phosphorus Coupling Reagent Making Use of Microchannels.
Langmuir ( IF 3.7 ) Pub Date : 2020-05-18 , DOI: 10.1021/acs.langmuir.0c00560
Takeshi Sugaya ₁ , Régis Guégan ₂ , Naokazu Idota ₃ , Takehiko Tsukahara ₄ , Yoshiyuki Sugahara _{1,

5}

Affiliation

Surface modification of niobate nanosheets in a double-Y-type microchannel was achieved for the first time using parallel flows of an aqueous dispersion of nanosheets derived from ion-exchangeable layered perovskite via delamination with a tetrabutylammonium hydroxide aqueous solution and a cyclohexane solution of oleyl phosphate. The surface modification was essentially completed within 4.6 s, and spectroscopic characterization (IR, solid-state ¹³C and ³¹P NMR) demonstrated the successful surface modification. The surface modification using a biphasic system in a vial using the same liquids required more than 4 h, indicating the extremely high efficiency of surface modification in the microchannel.

中文翻译：

利用微通道的磷耦合试剂对钙钛矿层状纳米片进行高效表面改性。

首次使用双离子型钙钛矿衍生的纳米片的水分散液的平行流，通过氢氧化四丁铵水溶液和油基磷酸酯的环己烷溶液的分层平行流动，实现了双Y型微通道中铌酸盐纳米片的表面改性。。表面改性基本上在4.6 s内完成，并且光谱表征（IR，固态¹³ C和³¹ P NMR）证明了成功的表面改性。在使用相同液体的小瓶中使用双相系统进行表面修饰需要超过4小时，这表明微通道中表面修饰的效率非常高。

更新日期：2020-07-07

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