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@ARTICLE{Scherdel:87608,
author = {Scherdel, C. and Scherb, T. and Reichenauer, G. and DESY},
title = {{S}pherical porous carbon particles derived from
suspensions and sediments of resorcinol-formaldehyde
particles},
journal = {Carbon},
volume = {47},
issn = {0008-6223},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {PHPPUBDB-9962},
pages = {2244-2252},
year = {2009},
note = {© Elsevier Ltd. ; Post referee fulltext in progress 2;
Embargo 12 months from publication},
abstract = {The goal of this study is the completion of the parameter
field of resorcinol–formaldehyde solutions towards the
regime of non-monolithic phases. For low sodium carbonate
concentration and low mass content of resorcinol and
formaldehyde in the starting solution the formation of
spherical particles rather than monolithic gels is observed.
The organic precursors were converted into carbon powders by
pyrolysis. The resulting carbon particles were characterized
by scanning electron microscopy (SEM), nitrogen sorption and
small-angle X-ray scattering (SAXS). The study shows that
carbonization of the organic particles results in spherical
carbon particles with a micropore volume of about 0.28
cm3/g. The composition of the starting solution, however,
strongly affects the external surface area as determined
from sorption data for the organic as well as for the
corresponding carbon particles; the values derived can be
converted into average diameters of spherical particles
ranging from 30 nm to 5 μm. Complementary SEM and SAXS
measurements confirm these findings. A diameter of 5 μm
appears to be the upper size limit in particle size forming,
while 30 nm spheres develop near the formation of a
continuous gel at relatively high sodium carbonate
concentrations.},
cin = {HASYLAB(-2012)},
ddc = {540},
cid = {$I:(DE-H253)HASYLAB_-2012_-20130307$},
pnm = {DORIS Beamline BW4 (POF1-550) / DORIS Beamline B1
(POF1-550) / FS-Proposal: II-20052060 (II-20052060)},
pid = {G:(DE-H253)POF1-BW4-20130405 / G:(DE-H253)POF1-B1-20130405
/ G:(DE-H253)II-20052060},
experiment = {EXP:(DE-H253)D-BW4-20150101 / EXP:(DE-H253)D-B1-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000267965200020},
doi = {10.1016/j.carbon.2009.04.015},
url = {https://bib-pubdb1.desy.de/record/87608},
}