Forthcoming publications

Zhuoran Wang; Hsien-Chieh Chiu; Andrea Paolella; Karim Zaghib*; George P Demopoulos, 2018, Lithium Photo-Intercalation of CdS-Sensitized WO3 Anode for Energy Storage and Photoelectrochromic Applications, ChemSusChem, DOI:10.1002/cssc.201803061R1

Articles in refereed journals

Marianna Uceda, Jigang Zhou*, Jian Wang, Raynald Gauvin*, Karim Zaghib*, and George P. Demopoulos, Highly Conductive NMP-free Carbon-Coated Nano-Lithium Titanate/Carbon Composite Electrodes via SBR-Assisted Electrophoretic Deposition, Electrochimica Acta (in press:

Yan Zeng, Hsien-Chieh Chiu, Majid Rasool, Nicolas Brodusch, Raynald Gauvin*, De-Tong Jiang*, Dominic Ryan*, Karim Zaghib*, and George P. Demopoulos, 2019, Hydrothermal Crystallization of Pmn21 Li2FeSiO4 Hollow Mesocrystals for Li-Ion Cathode Application, Chem. Eng. J., 359, 1592-1602.

Z. Wang, N. Brodusch, R. Gauvin*, G.P. Demopoulos, 2018, Lithium-Doped Cu2ZnSnS4 Superstrate Solar Cells with 5 % Efficiency – An Alternative to Thin film Kesterite Photovoltaics, Nano Energy, 53, 130-134.

Bin Wei, Xia Lu, F. Voisard, H. Wei, Hsien-Chieh Chiu, Y. Ji, Han Xiaodong, M. Trudeau*, Karim Zaghib*, G.P. Demopoulos, R. Gauvin*, 2018, "In-situ TEM Investigation of Electron Irradiation-Induced Metastable States in Lithium-Ion Battery Cathodes: Li2FeSiO4 versus LiFePO4", ACS Applied Energy Materials, 1 (7) 3180-3189.

Zhuoran Wang, Nicolas Brodusch, Raynald Gauvin*, and George P. Demopoulos, 2018, Nanoengineering of the Cu2ZnSnS4-TiO2 Interface via Atomic Layer Deposition of Al2O3 for High Sensitivity Photodetectors and Solid State Solar Cells, J. Mat. Chem. A 6, 11507-11520

H. Wei, X. Lu, H. Chiu, B. Wei, R. Gauvin*, Z. Arthur, V. Emond, D. Jiang*, K. Zaghib*, and G. P. Demopoulos, 2018, Ethylenediamine-enabled sustainable synthesis of mesoporous nanostructured Li2FeIISiO4 particles from Fe(III) aqueous solution for Li-ion battery application, ACS Sust. Chem. Eng. 2018, 6 (6), pp 7458–7467

Zhuoran Wang, R. Gauvin and G.P. Demopoulos, 2017, Nanostructural and Photo-electrochemical Properties of Solution Spin-Coated Cu2ZnSnS4 - TiO2 Nanorod Forest Films with Improved Photovoltaic Properties, Nanoscale, 2017, 9, 7650 – 7665.

Andrea Paolella, Cyril Faure, Giovanni Bertoni, Sergio Marras, Mirko Prato, Pierre Hovington, Abdelbast Guerfi, Basile Commarieu, Zhuoran Wang, Chandramohan George, Zimin Feng, George P. Demopoulos, Michel Armand and Karim Zaghib, 2017, Light-assisted delithiation of LiFePO4 towards photo-rechargeable Li-ion batteries, Nature Communications 8, Article number: 14643 (2017); doi: 10.1038/ncomms14643.

R. Multani, T. Feldmann, G.P. Demopoulos, 2017, Removal of antimony from concentrated solutions with focus on tripuhyite (FeSbO4) synthesis, characterization and stability, Hydrometallurgy 169 (2017) 263–274.

Hsien-Chieh Chiu, Xia Lu, Jigang Zhou, Lin Gu, Joel Reid, Raynald Gauvin, Karim Zaghib, and George P. Demopoulos, 2017, Annealing-regulated elimination of residual strain-induced structural relaxation for stable high-power Li4Ti5O12 nanosheet anodes, Nano Energy 32 (2017) 533–541.

Hsien-Chieh Chiu, Xia Lu, Jigang Zhou, Lin Gu, Joel Reid, Raynald Gauvin, Karim Zaghib and George P. Demopoulos, 2017, Capacity Fade Mechanism of Li4Ti5O12 Nanosheet Anode, Adv. Energy Mat., 2017, 7, 1601825; DOI 10.1002/aenm.201601825.

Xia Lu, Hsien-Chieh Chiu, Zachary Arthur, Jigang Zhou, Ning Chen, De-Tong Jiang, Karim Zaghib, and George P. Demopoulos, 2016, Li-ion storage dynamics in metastable nanostructured Li2FeSiO4 cathode: Antisite-induced phase transition and lattice oxygen participation, J. Power Sources, 329 (2016) 355-363.

Zhuoran Wang, Samir Elouatik and G.P. Demopoulos, 2016, Understanding the Phase Formation Kinetics of Nano-Crystalline Kesterite Deposited on Mesoscopic Scaffold via In-Situ Multi-Wavelength Raman Monitored Annealing, Phys. Chem. Chem. Phys. 2016, 18, 29435 – 29446.

A. Yasin, F. Guo, M. Sussman, R. Gauvin, G.P. Demopoulos, 2016, Steady-state scaleable production of mesoporous rutile and brookite particles and their use in energy conversión and storage cells, ChemNanoMat, 2(10): 980-988.

Hsien-Chieh Chiu, Xia Lu, Samir Elouatik, and George P. Demopoulos, 2016, Formation of lithium titanate hydrate nanosheets: insight into 2D growth mechanism by in-situ Raman, Crystal Growth & Design, 16(7): 3898-3904.

R. Multani, T. Feldmann, G.P. Demopoulos, 2016, Antimony in the metallurgical industry : a review of its chemistry and environmental stabilization options, Hydrometallurgy, 164, 141-15.

Zhuoran Wang, G.P. Demopoulos, 2016, Nanoscale Photo-Absorbing Kesterite Grown on Anatase Mesoscopic Films by Sequential Binary Chalcogenide Solution Deposition-Exchange, Annealing and Etching, Crystal Growth & Design, 16(7): 3618-3630.

X. Lu, H-C Chiu, K. Bevan, D. T. Jiang, K. Zaghib, G.P. Demopoulos, 2016, Density functional theory insight into the structure stability and Li diffusion properties of monoclinic and orthorhombic Li2FeSiO4 cathodes, J Power Sources, 318 (2016) 136-145.

Amrita Yasin, Fuqiang Guo, George P. Demopoulos, 2016, Aqueous, screen-printable paste for fabrication of mesoporous composite anatase-rutile TiO2 nanoparticle thin films for (photo)electrochemical devices, ACS Sustainable Chemistry & Engineering, 4 (4), 2173–2181.

Andrea Paolela, Stuart Turner, Giovanni Bertoni, Pierre Hovington, Roxana Flacana, Chad Boyer, Zimin Feng, Massimo Colombo, Sergio Marra, Mirko Prato, Liberato Manna, Abdelbast Guerfi* , Gustaaf Van Tendeloo, George P. Demopoulos, Michel Armand and Karim Zaghib*, 2016, Removal of Fe-antisite defects while Nanosizing Hydrothermal LiFePO4 with Ca2+, Nano Letters. 2016, 16, 2692−2697.

Christoph Doerfelt, T. Feldmann and G.P. Demopoulos, 2016, Stability of Arsenate-Bearing Fe(III)/Al(III) Co-Precipitates in the Presence of Sulfide as Reducing Agent under Anoxic Conditions, Chemosphere, 151:318-323 (2016).

Karl Leetmaa, Fuqiang Guo, Levente Becze, Mario A. Gomez, George P. Demopoulos, 2016, Stabilization of iron arsenate solids by encapsulation with aluminum hydroxyl gels, J. Chem. Technol. Biotechn. 2016, 91: 408–415.

Amrita Yasin, Fuqiang Guo and G.P. Demopoulos, 2015, Continuous-reactor, pH-controlled synthesis of multifunctional mesoporous nanocrystalline anatase aggregates, Chem. Eng. J. 2016, 287, 398-409.

Z. Arthur, H-C Chiu, X. Lu, N. Chen*, V. Emond, K. Zaghib*, D-T. Jiang*, G.P. Demopoulos, Spontaneous reaction between uncharged lithium iron silicate cathode and LiPF6-based electrolyte, ChemComm. 2016, 52, pp 190-193.

Andrea Paolella, G. Bertoni, Pierre Hovington, Zimin Feng, Roxana Flacau, Mirko Prato, M. Colombo, Sergio Marras, Liberato Manna, Stuart Turner, Gustaaf Van Tendeloo, A. Guerfi, George P. Demopoulos and Karim Zaghib, 2015, Cation Exchange Mediated Elimination of the Fe-antisites in the Hydrothermal Synthesis of LiFePO4, Nano Energy, 16 (2015) 256-267.

Richard J. De Klerk, Thomas Feldmann, Renaud Daenzer, George P. Demopoulos, 2015, Continuous circuit coprecipitation of arsenic(V) with ferric iron by lime neutralization: The effect of circuit staging, co-ions and equilibration pH on long-term arsenic retention, Hydrometallurgy, 151 (2015) 42–50.

Nima Parsi Benehkohal, Micah J. Sussman, Hsien-chieh Chiu, Marianna Uceda, Raynald Gauvin* and George P. Demopoulos, 2015, Enabling Green Fabrication of Li-ion Battery Electrodes by Electrophoretic Deposition: Growth of Thick Binder-Free Mesoporous TiO2-Carbon Anode Films. J. Electrochem. Soc. 162 (11) D3013-D3018 (2015).

M. J. Sussman, N. Brodusch, R. Gauvin, and G.P. Demopoulos, 2015, “Engineering 3-D Li-Ion Electrodes with Enhanced Charge Storage Properties based on Solution-Processed and Sintered Anatase-Carbon Mesoporous Structures”, ACS Sust. Chem. Eng. 2015, 3 (2), 334–339.

G. P. Demopoulos, 2015, “From Extractive Metallurgy to Materials Engineering: A personal teaching and research perspective”, Can. Metall. Quarterly (invited), 2015, 54(2), 129-135.

J. Adelman, S. Elouatik, G.P. Demopoulos, 2015, Investigation of sodium silicate-derived gels as encapsulants for hazardous materials-the case of scorodite, J. Haz. Mat. 292 (2015) 108-117.

Georgiana Moldoveanu and G.P. Demopoulos, 2015, Organic Solvent-Assisted Crystallization of Inorganic Salts from Acidic Media, J. Chem. Technol. Biotech. 90 (4) 2015, 686-692.

Xia Lu, Huijing Wei, Hsien-Chieh Chiu, R. Gauvin, P. Hovington*, A. Guerfi, Karim Zaghib and George P. Demopoulos, 2015, Rate-dependent phase transitions in Li2FeSiO4 cathode nanocrystals, Scientific Reports, 5, 8599; DOI:10.1038/srep08599 (2015).

Zhuoran Wang and George P. Demopoulos, 2015, SILAR-Controlled Growth of CZTS nanocoating on TiO2 Nanorod Arrays as Novel Extremely Thin Absorber Solar Cell Structure, ACS Appl. Mat. & Interf. 2015, 7 (41), pp 22888–22897.

Christoph Doerfelt, T. Feldmann, R. Daenzer and G.P. Demopoulos, 2015, Stability of Continuously Produced Fe(II)/Fe(III)/As(V) Co-Precipitates under Periodic Exposure to Reducing Agents, Chemosphere, 138 (2015) 239–246.

Thomas Feldmann and George P. Demopoulos, 2015, Water activity-based design of a single-stage CSTR reactive crystallization process for producing super-azeotropic HCl and well grown -calcium sulfate hemihydrate crystals, Hydrometallurgy, 155 (2015) 20-28.

Thomas Feldmann and George P. Demopoulos, 2014, Effects of crystal modifiers on the morphology of calcium sulfate dihydrate in strong solutions, J. Chem. Technol. Biotech. 2014; 89: 1523–1533

Nathan Dyck and G.P.Demopoulos, “Integration of Upconverting β-NaYF4:Yb3+,Er3+@TiO2 Nanocomposites as Light Harvesting Layer in Dye-Sensitized Solar Cells”, RSC Adv., 2014, 4 (95), 52694 – 52701.

M. J. Sussman, M. Celikin, A. Yasin, and G.P. Demopoulos, 2014, Mesoporous brookite nanoplatelets with superior lithium-ion intercalation stability, Electrochimica Acta, 138 (2014) 215–223.

M. J. Sussman, A. Yasin, and G.P. Demopoulos, 2014, “On the Complex Interplay of Crystallinity and Surface Area Effects on Li-Ion Intercalation and Pseudocapacitive Storage Properties of Nanocrystalline Anatase”, J. Power Sources, 272 (2014) 58-67.

R. Daenzer, L. Xu, C. Doerfelt, Y. Jia*, G.P Demopoulos, 2014, Precipitation behaviour of As(V) during neutralization of acidic Fe(II)-As(V) solutions in batch and continuous modes, Hydrometallurgy, 146 (2014) 40–47.

N. Parsi Benehkohal and G. P. Demopoulos, 2014, “Green-engineered all-substrate mesoporous TiO2 thin film photoanodes with superior light harvesting structure and performance”, ChemSusChem, 2014, 7, 813 – 821.

K. Vediappan, A. Guerfi, V. Gariépy, G.P. Demopoulos, P. Hovington, J. Trottier, A. Mauger, C.M. Julien, and K. Zaghib, 2014, Stirring effect in Hydrothermal Synthesis of nano C-LiFePO4, J. Power Sources, 266, 99-106

Nima Parsi Benehkohal; Mario A. Gomez; Raynald Gauvin; George P. Demopoulos, 2013, Enabling Aqueous Electrophoretic Growth of Adherent Nanotitania Mesoporous Films via Intrafilm Cathodic Deposition of Hydrous Zinc Oxide, Electrochimica Acta, 87, 169-179.

Hsien-chieh Chiu, Nicolas Brodusch, Raynald Gauvin, Abdelbast Guerfi, Karim Zaghib, and George P. Demopoulos, 2013, Aqueous Synthesized Nanostructured Li4Ti5O12 for High-Performance Lithium-Ion Battery Anodes, J. Electrochem. Soc. 160 (5) A3041-A3047

M. J. Sussman, N. Brodusch, R. Gauvin, G. P. Demopoulos, 2013, Binder-Free Fabrication of Nanotitania/Carbon Li-ion Intercalation Electrodes, J. Electrochem. Soc 160 (5) A3100-A3107.

Kee Eun Lee, Cecile Charbonneau, George. P. Demopoulos, 2013, Thin single screen-printed titania layer photoanodes for highly performing DSSCs via a novel dual-function paste formulation and process, J. Materials Res., Vol. 28, No. 3, 480-487.

M. A. Gomez, G. Ventruti, H. Putz, H. Assaaoudi, M. Celikin, L. Becze, K.E. Lee and G. P. Demopoulos, 2013, The nature of synthetic Basic Ferric Arsenate Sulfate and Basic Ferric Sulfate: Their crystallographic, molecular and electronic structure and their application in the environment and energy fields, RSC Advances, 3, 16840–16849.

N. Geoffroy and G.P. Demopoulos, 2012, Stannous chloride-an effective reducing agent for the removal of selenium (IV) from acidic solution, J. Chem. Tech. Biotechn 87(7), 983-989.

M.A. Gomez, L. Becze, J. N. Cutler and G.P. Demopoulos, 2011, “Hydrotermal reaction chemistry and characterization of ferric arsenate phases precipitated from Fe2(SO4)3-As2O5-H2SO4 solutions”, Hydrometallurgy, 107, 74–90.

Nicolas Geoffroy and George P. Demopoulos, 2010, Elimination of Selenium (IV) from Aqueous Solution by Precipitation with Sodium Sulphide", J.Haz.Mat.,185,148-154.

Guo-Bin Shan, and George P. Demopoulos, 2010, Near-infrared sunlight harvesting in dye-sensitized solar cells via the insertion of an upconverter-TiO2 nanocomposite layer, Advanced Materials, 22, 4373-4377.

F. Lagno, S.D.F. Rocha, S. Chryssoulis, G.P. Demopoulos, Scorodite Encapsulation by Controlled Deposition of Aluminum Phosphate Coatings, 2010, Journal of Hazardous Materials, 181, 526–534.

Kee Eun Lee, Mario A. Gomez, Samir Elouatik and George P. Demopoulos, 2010, “Further Understanding of the Adsorption Mechanism of N719 Sensitizer on Anatase TiO2 Films for DSSC Applications Using Vibrational Spectroscopy and Confocal Raman Imaging”, Langmuir, 26(12), 9575–9583.

G.P. Demopoulos. Aqueous Precipitation and Crystallization for the Production of Particulate Solids with Desired Properties. Hydrometallurgy, 2009, 96, 199–214.


G.P. Demopoulos and Thomas Feldmann, “Production of high-strength hydrochloric acid from calcium chloride feed streams by crystallization”, United States Patent No. 9,783,428; October 10, 2017.

G.P. Demopoulos, Hsien-chieh Chiu, Abdelbast Guerfi, and Karim Zaghib, “Layered and spinel lithium titanate processes for preparing the same”; United States Patent No. 9,825,292; November 21, 2017; Chinese Patent N° ZL201380053085.3 issued on July 10, 2018; Japanese Patent No 6391578 issued Aug. 31, 2018

G.P. Demopoulos, Q. Wang and L. Rosato, “Method for Removing Manganese from Acidic Sulphate Solution”, CA2394631-C, 2006, AU776311-B2, 2004; EP1248863-B1, 2005; DE60019168-E, 2005; MX228566-B, 2005.

Conference presentations/papers

G.P. Demopoulos et al., 2018, “ In Situ Conductive Coating Strategies for Nanocrystal-Based Li-Ion Battery electrodes”, Americas International Meeting on Electrochemistry & Solid-State Science, The Electrochemical Society, Cancun, Mexico, October, 2018.

G.P. Demopoulos et al., 2018, “Development of Sustainable Energy Storage Materials for Li-Ion Batteries”, (invited keynote paper), International Conference on Electrochemical Energy Science and Technology (EEST2018), Niagara Falls, ON, August 13-17, 2018.

G.P. Demopoulos et al., 2018, “Nanocrystal engineering of lithium iron orthosilicate cathodes for improved reversible-stable storage and rate capability” (invited), Symposium on Innovative Chemistry, Materials & Characterizations for Electrochemical Energy Storage, held during 256th ACS National Meeting & Exposition, Boston, MA, August 19-23, 2018.

G.P. Demopoulos, 2017, Thermal, mechanical, and electrochemical-induced structural changes in Li-ion storage electrodes, MRS Fall Meeting, Boston, MA.
Zhuoran Wang et al., 2017, Solution Spin-coated Cu2ZnSnS4 on TiO2 Nanorod Forest Films with Engineered Interface for High Sensitivity Photodetectors and Solid State Solar Cells, MRS Fall Meeting, Boston, MA.
G.P. Demopoulos et al., 2016, Solid-Solution Vs. Two-Phase Li-Ion Storage in Nanograined Orthosilicate Cathode Materials, PRIME 2016- ECS Fall Meeting, Honolulu, HW, October 2016.
G.P. Demopoulos et al., 2016, Novel PVDF-Free Fabrication of Lithium Ion Electrodes by Electrophoretic Deposition and Screen Printing, 34th Int’l Battery Seminar, Fort Lauderdale, FL, March 2016.
Thomas Feldmann, Frédéric Bélanger, Pascal Coursol, George P. Demopoulos, 2016, Recovery of scandium from industrial process solutions – observations from preliminary testing, Rare Earth Symposium Proceedings, Quebec City, QC, CIM, Sept. 2016 (13p).
George P. Demopoulos, 2014, Arsenic Immobilization Research Advances: Past, Present and Future, in Proceedings of Arsenic Metallurgy & the Environment symposium, A. Barnes et al, Editors, COM2014 (paper no 8560, 13p) MetSoc of CIM, Vancouver, B.C., Sept. 2014 (invited keynote paper).
G.P. Demopoulos, From Hydrometallurgy to Advanced Energy Material and Environmental Technology Development: An Odyssey of Research Risks and Opportunities, Hydrometallurgy 2014 Conference, Victoria, BC, June 2014 (invited plenary paper).

Conference proceedings

François Larouche, George P. Demopoulos, Kamyab Amouzegar, Patrick Bouchard and Karim Zaghib*, 2018, Recycling of Li-Ion and Li-Solid State Batteries: The Role of Hydrometallurgy, in B. Davis et al. (eds.), Extraction 2018, The Minerals, Metals & Materials Series, 2541-2553,

Fuqiang Guo and G.P. Demopoulos, 2018, Development of an Encapsulation Process to Extend the Stability of Scorodite under Wider pH and Redox Potential Range Conditions, in B. Davis et al. (eds.), Extraction 2018, The Minerals, Metals & Materials Series, 1411-1420;

Konstantina Chalastara and G.P. Demopoulos, 2018, Hydrolytic Precipitation of Nanosized TiO2 Phases for use as Photocatalytic Sorption Media in Effluent Treatment, in B. Davis et al. (eds.), Extraction 2018, The Minerals, Metals & Materials Series, 1809-1828;

Yan Zeng, Karim Zaghib*, and G.P. Demopoulos, 2018, Hydrothermal Production of Lithium Metal Silicate Powder with Controlled Properties for Application to Li-Ion Batteries in B. Davis et al. (eds.), Extraction 2018, The Minerals, Metals & Materials Series, 2555-2563;

Arthur, Z. N.; Chiu, H. C.; Lu, X.; Chen, N.; Emond, V.; Demopoulos, G. P.; Jiang, D. T. 2017, In Operando XANES & XRD Investigation into the Rate-Dependent Transport Properties of Lithium Iron Silicate Cathodes. MRS Advances 2017, 2 (7), 419-424. DOI: 10.1557/adv.2017.140.
G. P. Demopoulos, J.-C. Parisien-La Salle and D. Blais, 2012, The mobilization and potential “in-autoclave” recovery of gold during pressure oxidation and leaching of auriferous sulfide materials, Pressure Hydrometallurgy 2012, Eds. M. J. Collins et al. CIM, 15-29.
L. Becze, S.J. Hock and G.P. Demopoulos, 2011, Precipitation of hematite and recovery of Hydrochloric acid from concentrated iron chloride solutions by a novel hydrolytic decomposition process, in Proceedings of EPD Congress 2011, TMS, 529-538.