George P Demopoulos
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Explore the profile of George P Demopoulos including associated specialties, affiliations and a list of published articles.
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29
Citations
155
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Recent Articles
11.
Paolella A, Turner S, Bertoni G, Hovington P, Flacau R, Boyer C, et al.
Nano Lett
. 2016 Mar;
16(4):2692-7.
PMID: 26966938
Based on neutron powder diffraction (NPD) and high angle annular dark field scanning transmission electron microscopy (HAADF-STEM), we show that calcium ions help eliminate the Fe-antisite defects by controlling the...
12.
Doerfelt C, Feldmann T, Roy R, Demopoulos G
Chemosphere
. 2016 Mar;
151:318-23.
PMID: 26950022
Currently, the co-precipitation of arsenate with ferric iron at molar ratios Fe(III)/As(V) ≥ 3 by lime neutralization produces tailings solids that are stable under oxic conditions. However not much is...
13.
Arthur Z, Chiu H, Lu X, Chen N, Emond V, Zaghib K, et al.
Chem Commun (Camb)
. 2015 Oct;
52(1):190-3.
PMID: 26511008
The reaction between an uncharged Li2FeSiO4 (LFS) cathode and a LiPF6-EC/DMC electrolyte is revealed by in situ XANES in coin cells. This study shows clear evidence of delithiation and iron...
14.
Wang Z, Demopoulos G
ACS Appl Mater Interfaces
. 2015 Oct;
7(41):22888-97.
PMID: 26422062
Cu2ZnSnS4 (CZTS) is an environmentally benign semiconductor with excellent optoelectronic properties that attracts a lot of interest in thin film photovoltaics. In departure from that conventional configuration, we fabricate and...
15.
Zhang D, Yuan Z, Wang S, Jia Y, Demopoulos G
J Hazard Mater
. 2015 Jul;
300:272-280.
PMID: 26188870
Gypsum precipitates as a major secondary mineral during the iron-arsenate coprecipitation process for the removal of arsenic from hydrometallurgical effluents. However, its role in the fixation of arsenic is still...
16.
Doerfelt C, Feldmann T, Daenzer R, Demopoulos G
Chemosphere
. 2015 Jun;
138:239-46.
PMID: 26086809
Arsenic mobilized during ore processing necessitates its effective removal from process effluents and disposal in environmentally stable tailings. The most common method to accomplish this involves co-precipitation with excess ferric...
17.
Lu X, Wei H, Chiu H, Gauvin R, Hovington P, Guerfi A, et al.
Sci Rep
. 2015 Feb;
5:8599.
PMID: 25715655
Nanostructured lithium metal orthosilicate materials hold a lot of promise as next generation cathodes but their full potential realization is hampered by complex crystal and electrochemical behavior. In this work...
18.
Lu X, Gu L, Hu Y, Chiu H, Li H, Demopoulos G, et al.
J Am Chem Soc
. 2015 Jan;
137(4):1581-6.
PMID: 25583063
Identifying the structure of electrodes at atomic-scale remains a key challenge but is a fertile realm for groundbreaking fundamental research in the advanced Li-ion battery material field. In this context,...
19.
Lu X, Wang Y, Liu P, Gu L, Hu Y, Li H, et al.
Phys Chem Chem Phys
. 2014 Sep;
16(40):21946-52.
PMID: 25210782
Using aberration-corrected scanning transmission electron microscopy (STEM) with high-angle annular-dark-field (HAADF) and annular-bright-field (ABF) techniques, the atomic-scale structures of the O3 and P2 phases of NaxFe1/2Mn1/2O2 are investigated systematically. The...
20.
Benehkohal N, Demopoulos G
ChemSusChem
. 2014 Feb;
7(3):813-21.
PMID: 24520026
Electrophoretic deposition (EPD) is employed successfully in a suspension of multicomponent TiO2 nanoparticulates of different sizes and morphologies to engineer a very robust bifunctional electrode structure for dye-sensitized solar cell...