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[資源]
通過混合的石墨-碳納米管薄膜提高了電子轉(zhuǎn)移動(dòng)力學(xué)
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Enhanced electron transfer kinetics through hybrid graphene-carbon nanotube films 摘要:We report the first study of the electrochemical reactivity of a graphenated carbon nanotube (g-CNT) film. The electron transfer kinetics of the ferri-ferrocyanide couple were examined for a g-CNT film and compared to the kinetics to standard carbon nanotubes (CNTs). The g-CNT film exhibited much higher catalytic activity, with a heterogeneous electron-transfer rate constant, k0, approximately two orders of magnitude higher than for standard CNTs. Scanning electron microscopy and Raman spectroscopy were used to correlate the higherelectron transfer kinetics with the higher edge-density of the g-CNT film. 中文翻譯摘要:報(bào)道了石墨化的碳納米管(g-CNT)薄膜的電化學(xué)活性。對于g-CNT薄膜研究了鐵-氰亞鐵酸鹽對的電子轉(zhuǎn)移動(dòng)力學(xué),并與標(biāo)準(zhǔn)的碳納米管(CNTs)的動(dòng)力學(xué)相比較。g-CNT薄膜展現(xiàn)出很高的催化活性,具有不均勻的電子轉(zhuǎn)移速率常數(shù)K0,幾乎比標(biāo)準(zhǔn)的CNTs高兩個(gè)數(shù)量級(jí)。用掃描電子顯微鏡和拉曼光譜學(xué)研究高的電子轉(zhuǎn)移動(dòng)力學(xué)與高的g-CNT薄膜邊緣密度的關(guān)系。 想獲得更多資源可點(diǎn)擊鏈接http://www.tjdrfk.com/news 圖片3.jpg 圖片1.jpg 圖片2.jpg |
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