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A Continuous-flow Photocatalytic Reactor for the Precisely Controlled Deposition of Metallic Nanoparticles
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碳的有序纳米孔阵列支持高分散的纳米颗粒

S H Joo1, S J Choi, I Oh

  • 1National Creative Research Initiative Center for Functional Nanomaterials and Department of Chemistry, Korea Advanced Institute of Science and Technology, Taejon 305-701, Korea.

Nature
|July 13, 2001
PubMed
概括

研究人员使用模板合成了订购的纳米孔状碳材料. 这些材料表现出高纳米粒子分散,显示了燃料电池技术的前景.

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¹³C NMR: ¹H–¹³C Decoupling01:04

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The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...