skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: New Insights into the Structure of Nanoporous Carbons from NMR, Raman, and Pair Distribution Function Analysis

Journal Article · · Chemistry of Materials
 [1];  [1];  [2];  [1];  [1];  [3];  [4];  [4];  [5];  [6]
  1. Univ. of Cambridge (United Kingdom)
  2. Univ. of Cambridge (United Kingdom); Gonville and Caius College, Cambridge (United Kingdom)
  3. INM-Leibniz-Inst. for New Materials, Saarbrücken (Germany)
  4. INM-Leibniz-Inst. for New Materials, Saarbrücken (Germany); Saarland Univ., Saarbrücken (Germany)
  5. Drexel Univ., Philadelphia, PA (United States)
  6. Univ. of Cambridge (United Kingdom); Stony Brook Univ., NY (United States)

The structural characterization of nanoporous carbons is a challenging task as they generally lack long-range order and can exhibit diverse local structures. Such characterization represents an important step toward understanding and improving the properties and functionality of porous carbons, yet few experimental techniques have been developed for this purpose. In this paper, we demonstrate the application of nuclear magnetic resonance (NMR) spectroscopy and pair distribution function (PDF) analysis as new tools to probe the local structures of porous carbons, alongside more conventional Raman spectroscopy. Together, the PDFs and the Raman spectra allow the local chemical bonding to be probed, with the bonding becoming more ordered for carbide-derived carbons (CDCs) synthesized at higher temperatures. The ring currents induced in the NMR experiment (and thus the observed NMR chemical shifts for adsorbed species) are strongly dependent on the size of the aromatic carbon domains. We exploit this property and use computer simulations to show that the carbon domain size increases with the temperature used in the carbon synthesis. The techniques developed here are applicable to a wide range of porous carbons and offer new insights into the structures of CDCs (conventional and vacuum-annealed) and coconut shell-derived activated carbons.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); Engineering and Physical Sciences Research Council (EPSRC); European Research Council (ERC); NanoDTC Cambridge; Federal Ministry of Education and Research (BMBF)
Grant/Contract Number:
03EK3013; AC02-06CH11357
OSTI ID:
1241048
Journal Information:
Chemistry of Materials, Vol. 27, Issue 19; ISSN 0897-4756
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 75 works
Citation information provided by
Web of Science

References (50)

The structure of graphitic carbons journal May 1951
Correlating magnetotransport and diamagnetism of s p 2 -bonded carbon networks through the metal-insulator transition journal October 2011
Probing carbon micropore size distribution by nucleus independent chemical shift journal October 2014
In Situ NMR Spectroscopy of Supercapacitors: Insight into the Charge Storage Mechanism journal December 2013
Crystallite growth in graphitizing and non-graphitizing carbons journal October 1951
Lattice simulation method to model diffusion and NMR spectra in porous materials journal March 2015
Multinuclear in situ magnetic resonance imaging of electrochemical double-layer capacitors journal August 2014
Interpretation of Raman spectra of disordered and amorphous carbon journal May 2000
Electroneutrality breakdown and specific ion effects in nanoconfined aqueous electrolytes observed by NMR journal February 2015
New Perspectives on the Structure of Graphitic Carbons journal October 2005
Raman Spectrum of Graphite journal August 1970
Imaging the atomic structure of activated carbon journal August 2008
A reconsideration of the relationship between the crystallite size La of carbons determined by X-ray diffraction and Raman spectroscopy journal December 2006
Effects of structural disorder and surface chemistry on electric conductivity and capacitance of porous carbon electrodes journal January 2014
Fullerene-like models for microporous carbon journal August 2012
Titanium carbide derived nanoporous carbon for energy-related applications journal October 2006
Charge storage mechanism in nanoporous carbons and its consequence for electrical double layer capacitors
  • Simon, P.; Gogotsi, Y.
  • Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, Vol. 368, Issue 1923, p. 3457-3467 https://doi.org/10.1098/rsta.2010.0109
journal June 2010
Heat treatment effect on the electronic and magnetic structures of nanographene sheets investigated through electron spectroscopy and conductance measurements journal January 2014
Phosphorus-31 NMR studies of adsorption onto activated carbon journal January 1999
NMR Study of Ion Dynamics and Charge Storage in Ionic Liquid Supercapacitors journal May 2015
Simulation of nanoporous carbons: A chemically constrained structure journal October 1999
Local structure of nanoporous carbons journal October 1999
Influence of solvation on the structural and capacitive properties of electrical double layer capacitors journal July 2013
Current Densities and Nucleus-Independent Chemical Shift Maps from Reciprocal-Space Density Functional Perturbation Theory Calculations journal January 2006
Raman spectroscopy studies of carbide derived carbons journal November 2008
Structural evolution of carbide-derived carbons upon vacuum annealing journal November 2012
Magnetic Response of Single-Walled Carbon Nanotubes Induced by an External Magnetic Field journal December 2010
Anomalous Increase in Carbon Capacitance at Pore Sizes Less Than 1 Nanometer journal September 2006
Porous amorphous carbon models from periodic Gaussian chains of amorphous polymers journal December 2005
Real-Time NMR Studies of Electrochemical Double-Layer Capacitors journal December 2011
Water Adsorption in Nanoporous Carbon Characterized by in Situ NMR: Measurements of Pore Size and Pore Size Distribution journal April 2014
Interaction of electrolyte molecules with carbon materials of well-defined porosity: characterization by solid-state NMR spectroscopy journal January 2013
Model for Raman scattering from incompletely graphitized carbons journal January 1982
Molecular Modeling of Porous Carbons Using the Hybrid Reverse Monte Carlo Method journal November 2006
Water and small organic molecules as probes for geometric confinement in well-ordered mesoporous carbon materials journal January 2014
NMR Methods for Characterizing the Pore Structures and Hydrogen Storage Properties of Microporous Carbons journal June 2010
NMR Study of Preferential Endohedral Adsorption of Methanol in Multiwalled Carbon Nanotubes journal March 2012
Symmetry Breaking in Nanostructure Development of Carbogenic Molecular Sieves:  Effects of Morphological Pattern Formation on Oxygen and Nitrogen Transport journal January 1996
PDFfit2 and PDFgui: computer programs for studying nanostructure in crystals journal July 2007
In situ NMR and electrochemical quartz crystal microbalance techniques reveal the structure of the electrical double layer in supercapacitors journal June 2015
Nuclear magnetic resonance study of ion adsorption on microporous carbide-derived carbon journal January 2013
Modeling the structural evolution of carbide-derived carbons using quenched molecular dynamics journal April 2010
H 2 Storage in Microporous Carbons from PEEK Precursors journal July 2010
Ring Current Effects: Factors Affecting the NMR Chemical Shift of Molecules Adsorbed on Porous Carbons journal March 2014
Fityk : a general-purpose peak fitting program journal September 2010
Two-dimensional detector software: From real detector to idealised image or two-theta scan journal January 1996
Review on the science and technology of water desalination by capacitive deionization journal October 2013
Quenched solid density functional theory and pore size analysis of micro-mesoporous carbons journal June 2009
Simulation of nanoporous carbons: a chemically constrained structure journal October 1999
Ring current effects: Factors affecting the NMR chemical shift of molecules adsorbed on porous carbons text January 2014

Cited By (15)

Machine Learning Interatomic Potentials as Emerging Tools for Materials Science journal September 2019
Asymmetric Flexible MXene-Reduced Graphene Oxide Micro-Supercapacitor journal November 2017
Toward the Experimental Understanding of the Energy Storage Mechanism and Ion Dynamics in Ionic Liquid Based Supercapacitors journal March 2018
Controlling the BET Surface Area of Porous Carbon by Using the Cd/C Ratio of a Cd-MOF Precursor and Enhancing the Capacitance by Activation with KOH journal October 2016
Direct observation of ion dynamics in supercapacitor electrodes using in situ diffusion NMR spectroscopy journal February 2017
Efficient storage mechanisms for building better supercapacitors journal May 2016
Dynamics of [Pyr 13 ][Tf 2 N] ionic liquid confined to carbon black journal January 2019
Following the in-plane disorder of sodiated hard carbon through operando total scattering journal January 2019
Carbide-derived carbons for dense and tunable 3D graphene networks journal June 2018
Wide-angle X-ray scattering combined with pair distribution function analysis of pyrolyzed wood journal February 2019
Synthesis and structure determination of calcium silicate‐cellulose nanograss biocomposite journal December 2019
Machine Learning Interatomic Potentials as Emerging Tools for Materials Science. journalarticle January 2019
Mechanistic insights into sodium storage in hard carbon anodes using local structure probes text January 2016
Wide-angle X-ray scattering combined with pair distribution function analysis of pyrolyzed wood text January 2019
Towards an atomistic understanding of disordered carbon electrode materials. text January 2018