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- W4385070640 abstract "Abstract Developing well‐defined structures and desired properties for porous organic polymer (POP) supported catalysts by controlling their composition, size, and morphology is of great significance. Herein, we report a preparation of polyaniline (PANI) supported Pd nanoparticles (NPs) with controllable structure and morphology. The protocol involves the introduction of MnO 2 with different crystal structures (α, β, γ, δ, ϵ) serving as both the reaction template and the oxidant. The different forms of MnO 2 each convert aniline to a PANI that contains a unique regular distribution of benzene and quinone. This leads to the Pd/PANI catalysts with different charge transfer properties between Pd and PANI, as well as different dispersions of the metal NPs. In this case, the Pd/ϵ‐PANI catalyst greatly improves the turnover frequency (TOF; to 88.3 h −1 ), in the reductive coupling of furfural derivatives to potential bio‐based plasticizers. Systematic characterizations reveal the unique oxidation state of the support in the Pd/ϵ‐PANI catalyst and coordination mode of Pd that drives the formation of highly dispersed Pd nanoclusters. Density functional theory (DFT) calculations show the more electron rich Pd/PANI catalyst has the lower energy barrier in the oxidative addition step, which favors the C−C coupling reaction." @default.
- W4385070640 created "2023-07-23" @default.
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- W4385070640 date "2023-08-03" @default.
- W4385070640 modified "2023-10-17" @default.
- W4385070640 title "Template‐Oriented Polyaniline‐Supported Palladium Nanoclusters for Reductive Homocoupling of Furfural Derivatives" @default.
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- W4385070640 doi "https://doi.org/10.1002/ange.202304662" @default.
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