Journal ArticleDOI
Graphitic carbon nitride C6N9H3·HCl: Characterisation by UV and near-IR FT Raman spectroscopy
Paul F. McMillan,Victoria Lees,Eric Quirico,Gilles Montagnac,Andrea Sella,Bruno Reynard,Patrick Simon,Edward Bailey,Malek Deifallah,Furio Corà +9 more
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TLDR
The graphitic layered compound C6N9H3 as discussed by the authors was prepared by reaction between melamine and cyanuric chloride under high pressure-high temperature condition in a piston cylinder apparatus and characterised using SEM, powderX-ray diffraction, UV Raman and near-IR Fourier transform Raman spectroscopy with near IR excitation.About:
This article is published in Journal of Solid State Chemistry.The article was published on 2009-10-01. It has received 77 citations till now. The article focuses on the topics: Raman spectroscopy & Graphitic carbon nitride.read more
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An Amorphous Carbon Nitride Photocatalyst with Greatly Extended Visible-Light-Responsive Range for Photocatalytic Hydrogen Generation.
TL;DR: Amorphous carbon nitride (ACN) with a bandgap of 1.90 eV shows an order of magnitude higher photocatalytic activity in hydrogen evolution under visible light than partially crystalline graphitic carbon Nitride with abandgap of 2.82 eV.
Journal ArticleDOI
Increasing the visible light absorption of graphitic carbon nitride (melon) photocatalysts by homogeneous self-modification with nitrogen vacancies.
TL;DR: A novel reduced melon photocatalyst with a bandgap of 2.03 eV developed here has a widened visible light absorption range and suppressed radiative recombination of photo-excited charge carriers due to the homogeneous self-modification with nitrogen vacancies.
Journal ArticleDOI
H2 and O2 Evolution from Water Half-Splitting Reactions by Graphitic Carbon Nitride Materials
A. Belen Jorge,David James Martin,Mandeep T. S. Dhanoa,Aisha S. Rahman,Neel M. Makwana,Junwang Tang,Andrea Sella,Furio Corà,Steven Firth,Jawwad A. Darr,Paul F. McMillan +10 more
TL;DR: In this article, the UV-vis spectra exhibited a strong π-π* transition near 400 nm with a semiconductor-like band edge extending into the visible range, which is assigned to n−π* electronic transitions involving the N lone pairs.
Journal ArticleDOI
Carbon nitrides: synthesis and characterization of a new class of functional materials
TL;DR: The current state of understanding of carbon nitride compounds is evaluated to highlight key issues in these areas and point out new directions in their development as advanced technological materials.
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Hollow CoSx Polyhedrons Act as High-Efficiency Cocatalyst for Enhancing the Photocatalytic Hydrogen Generation of g-C3N4
TL;DR: In this paper, hollow cobalt sulfide (CoS) is used as a cocatalyst to realize highly efficient photocatalytic hydrogen (H2) production in the field of solar energy conversion.
References
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Journal ArticleDOI
Interpretation of Raman spectra of disordered and amorphous carbon
Andrea C. Ferrari,John Robertson +1 more
TL;DR: In this paper, a model and theoretical understanding of the Raman spectra in disordered and amorphous carbon is given, and the nature of the G and D vibration modes in graphite is analyzed in terms of the resonant excitation of \ensuremath{\pi} states and the long-range polarizability of the long range bonding.
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A metal-free polymeric photocatalyst for hydrogen production from water under visible light
Xinchen Wang,Kazuhiko Maeda,Arne Thomas,Kazuhiro Takanabe,Gang Xin,Johan M. Carlsson,Kazunari Domen,Markus Antonietti +7 more
TL;DR: It is shown that an abundant material, polymeric carbon nitride, can produce hydrogen from water under visible-light irradiation in the presence of a sacrificial donor.
Book
The Handbook of Infrared and Raman Characteristic Frequencies of Organic Molecules
TL;DR: The -NH2, -NHR, and -NR2 groups as discussed by the authors are the most commonly used groups for double bonds containing Nitrogen Atoms, and the -C=N and -N=C groups.
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Resonant Raman spectroscopy of disordered, amorphous, and diamondlike carbon
Andrea C. Ferrari,John Robertson +1 more
TL;DR: In this article, the dispersion of peak positions and intensities with excitation wavelength is used to understand the nature of resonant Raman scattering in carbon and how to derive the local bonding and disorder from the Raman spectra.
Journal ArticleDOI
Prediction of new low compressibility solids.
Amy Y. Liu,Marvin L. Cohen +1 more
TL;DR: The empirical model indicates that hypothetical covalent solids formed between carbon and nitrogen are good candidates for extreme hardness and first principles pseudopotential total energy calculation on the system shows that materials like the prototype can have bulk moduli comparable to or greater than diamond.