Synthesis and Solid-State NMR Structural Characterization of 13 C-Labeled Graphite Oxide-Reference-Cited by-同舟云学术

Synthesis and Solid-State NMR Structural Characterization of 13 C-Labeled Graphite Oxide

Published:2008-09-26 Issue:5897 Volume:321 Page:1815-1817
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Cai Weiwei¹²³⁴⁵,Piner Richard D.¹²³⁴⁵,Stadermann Frank J.¹²³⁴⁵,Park Sungjin¹²³⁴⁵,Shaibat Medhat A.¹²³⁴⁵,Ishii Yoshitaka¹²³⁴⁵,Yang Dongxing¹²³⁴⁵,Velamakanni Aruna¹²³⁴⁵,An Sung Jin¹²³⁴⁵,Stoller Meryl¹²³⁴⁵,An Jinho¹²³⁴⁵,Chen Dongmin¹²³⁴⁵,Ruoff Rodney S.¹²³⁴⁵

Affiliation:

1. Department of Mechanical Engineering and the Texas Materials Institute, University of Texas at Austin, Austin, TX 78712, USA.

2. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China.

3. Laboratory for Space Sciences, Department of Physics, Washington University, St. Louis, MO 63130, USA.

4. Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, IL 60607, USA.

5. National Creative Research Initiative Center for Semiconductor Nanorods and Department of Materials Science and Engineering, Pohang University of Science and Technology, Pohang, Gyeongbuk 790-784, Korea.

Abstract

The detailed chemical structure of graphite oxide (GO), a layered material prepared from graphite almost 150 years ago and a precursor to chemically modified graphenes, has not been previously resolved because of the pseudo-random chemical functionalization of each layer, as well as variations in exact composition. Carbon-13 ( 13 C) solid-state nuclear magnetic resonance (SSNMR) spectra of GO for natural abundance 13 C have poor signal-to-noise ratios. Approximately 100% 13 C-labeled graphite was made and converted to 13 C-labeled GO, and 13 C SSNMR was used to reveal details of the chemical bonding network, including the chemical groups and their connections. Carbon-13–labeled graphite can be used to prepare chemically modified graphenes for 13 C SSNMR analysis with enhanced sensitivity and for fundamental studies of 13 C-labeled graphite and graphene.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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