3D printed SrNbO2N photocatalyst for degradation of organic pollutants in water

Journal article


Iborra-Torres, A., Husˇ, M., Nguyen, K., Vamvakeros, A., Sajjad, T., Dunn, S., Mertens, M., Jacques, S., Beale, A., Likozar, B., Hyett, G., Kellici, S. and Middelkoop, V. (2023). 3D printed SrNbO2N photocatalyst for degradation of organic pollutants in water. Materials Advances. https://doi.org/10.1039/D2MA01076C
AuthorsIborra-Torres, A., Husˇ, M., Nguyen, K., Vamvakeros, A., Sajjad, T., Dunn, S., Mertens, M., Jacques, S., Beale, A., Likozar, B., Hyett, G., Kellici, S. and Middelkoop, V.
Abstract

Organic pollutants in water are a major concern for the environment and human health, and require urgent attention. Here, we developed for the first time monolithic structures by 3D printing of perovskite metal oxynitride, SrNbO2N, for photocatalytic degradation of organic pollutant in water. Advanced, synchrotron-based XRD-CT measurements were employed to gain structural insight into photocatalyst formulation and assess the fidelity of design in terms of both the chemical and physical form of the photocatalysts to be imaged. Our 3D printed material showed excellent photocatalytic activity, degrading 100% of methylene blue (MB) as well as good stability for three cycle operations. This is due to high adsorption of the 3D printed oxynitride towards MB which enhanced its photoredox reactivity. It is also evident from the excellent charge transfer demonstrating a charge transfer rate of (1.5 ± 0.2) × 108 s−1. We performed Time-Dependent Density Functional Theory (TD-DFT) calculations to understand the photocatalyst structure and degradation pathways. Our calculated band gap (at Γ) of 1.88 eV is in good agreement with the experimental values. We found that the highest valence bands were contributed by N p orbitals and the lowest conduction bands corresponded to Nb d orbitals offering avenues for fine-tuning the band gap. Hence, the ability to tailor photocatalyst monoliths by 3D printing renders their water treatment application more facile compared to their powder suspension counterparts.

Year2023
JournalMaterials Advances
PublisherRoyal Society of Chemistry (RSC)
ISSN2633-5409
Digital Object Identifier (DOI)https://doi.org/10.1039/D2MA01076C
Web address (URL)https://pubs.rsc.org/en/content/articlelanding/2023/ma/d2ma01076c
Publication dates
Print13 Mar 2023
Publication process dates
Accepted13 Mar 2023
Deposited15 Mar 2023
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Cui, Y, Sun, H, Briscoe, J, Wilson, R, Tarakina, N, Dunn, S and Pu, Y (2019). Influence of ferroelectric dipole on the photocatalytic activity of heterostructured BaTiO3/α-Fe2O3. Nanotechnology. 30 (25). https://doi.org/10.1088/1361-6528/ab0b00
Pricing and Discounting
Bennett, DR, Scriven, J and Dunn, S (2017). Pricing and Discounting. in: Sharp, B (ed.) Marketing, Theory, Evidence, Practice Australia Oxford University Press (OUP). pp. 300-330
CuSCN Nanowires as Electrodes for p-Type Quantum Dot Sensitized Solar Cells: Charge Transfer Dynamics and Alumina Passivation
Sajjad, Muhammad T, Sajjad, T, Park, Jinhyung, Gaboriau, Dorian, Harwell, Jonathon R, Odobel, Fabrice, Reiss, Peter, Samuel, Ifor DW and Aldakov, Dmitry (2018). CuSCN Nanowires as Electrodes for p-Type Quantum Dot Sensitized Solar Cells: Charge Transfer Dynamics and Alumina Passivation. The Journal of Physical Chemistry C. 122 (9), pp. 5161-5170. https://doi.org/10.1021/acs.jpcc.7b12619
Engineered exciton diffusion length enhances device efficiency in small molecule photovoltaics
Sajjad, T, Blaszczyk, Oskar, Jagadamma, Lethy Krishnan, Roland, Thomas J, Chowdhury, Mithun, Ruseckas, Arvydas and Samuel, Ifor DW (2018). Engineered exciton diffusion length enhances device efficiency in small molecule photovoltaics. Journal of Materials Chemistry A. 6 (20), pp. 9445-9450. https://doi.org/10.1039/C8TA01226A
Improved efficiency of PbS quantum dot sensitized NiO photocathodes with naphthalene diimide electron acceptor bound to the surface of the nanocrystals
Raissi, Mahfoudh, Sajjad, T, Farré, Yoann, Roland, Thomas J, Ruseckas, Arvydas, Samuel, Ifor DW and Odobel, Fabrice (2018). Improved efficiency of PbS quantum dot sensitized NiO photocathodes with naphthalene diimide electron acceptor bound to the surface of the nanocrystals. Solar Energy Materials and Solar Cells. 181, pp. 71-76. https://doi.org/10.1016/j.solmat.2017.12.029
In situ formation and photo patterning of emissive quantum dots in small organic molecules
Bansal, Ashu K, Sajjad, T, Antolini, Francesco, Stroea, Lenuta, Gečys, Paulius, Raciukaitis, Gediminas, André, Pascal, Hirzer, Andreas, Schmidt, Volker and Ortolani, Luca (2018). In situ formation and photo patterning of emissive quantum dots in small organic molecules. Nanoscale. 7 (25), pp. 11163-11172. https://doi.org/10.1039/C5NR01401H
pH-Induced transformation of ligated Au 25 to brighter Au 23 nanoclusters
Waszkielewicz, Magdalena, Olesiak-Banska, Joanna, Comby-Zerbino, Clothilde, Bertorelle, Franck, Dagany, Xavier, Bansal, Ashu K, Sajjad, T, Samuel, Ifor DW, Sanader, Zeljka and Rozycka, Miroslawa (2018). pH-Induced transformation of ligated Au 25 to brighter Au 23 nanoclusters. Nanoscale. 10 (24), pp. 11335-11341. https://doi.org/10.1039/C8NR00660A
Role of lattice distortion and A site cation in the phase transitions of methylammonium lead halide perovskites
Harwell, Jonathon R, Payne, Julia L, Sajjad, T., Heutz, Frank JL, Dawson, Daniel M, Whitfield, Pamela S, Irvine, John TS, Samuel, Ifor DW and Carpenter, Michael A (2018). Role of lattice distortion and A site cation in the phase transitions of methylammonium lead halide perovskites. Physical Review Materials. 2 (6), pp. 065404-065404. https://doi.org/https://www.doi.org/10.1103/PhysRevMaterials.2.065404
Triptycene as a Supramolecular Additive in PTB7: PCBM blends and its Influence on Photovoltaic Properties
Krishnan Jagadamma, Lethy, McCarron, Liam J, Wiles, Alan A, Savikhin, Victoria, Sajjad, T., Yazdani, Mahdieh, Rotello, Vincent M, Toney, Michael F, Cooke, Graeme and Samuel, Ifor DW (2018). Triptycene as a Supramolecular Additive in PTB7: PCBM blends and its Influence on Photovoltaic Properties. ACS applied materials & interfaces. 10 (29), pp. 24665-24678. https://doi.org/https://www.doi.org/10.1021/acsami.8b03114
Tuning the Exciton Diffusion Coefficient of Polyfluorene Based Semiconducting Polymers
Sajjad, T., Ward, A. J, Ruseckas, A., Bansal, A. K, Allard, S., Scherf, U. and Samuel, I. DW (2018). Tuning the Exciton Diffusion Coefficient of Polyfluorene Based Semiconducting Polymers. physica status solidi (RRL)–Rapid Research Letters. 13 (3), pp. 1800500-1800500. https://doi.org/https://www.doi.org/10.1002/pssr.201800500
Greener synthesis of dimethyl carbonate using a novel tin-zirconia/graphene nanocomposite catalyst
Saada, R, Aboelazayem, O, Kellici, S, Heil, T, Morgan, D, Lampronti, G and Saha, B (2018). Greener synthesis of dimethyl carbonate using a novel tin-zirconia/graphene nanocomposite catalyst. Applied Catalysis B: Environmental. 226, pp. 451-462. https://doi.org/10.1016/j.apcatb.2017.12.081
Optimization of 3D ZnO brush-like nanorods for dye-sensitized solar cells
Pace, S, Resmini, A, Tredici, IG, Soffientini, A, Liao, X, Dunn, S, Briscoe, J and Anselmi-Tamburini, U (2018). Optimization of 3D ZnO brush-like nanorods for dye-sensitized solar cells. RSC Advances. 8, pp. 9775-9782. https://doi.org/10.1039/C7RA13128C
Enhanced discharge energy density of rGO/PVDF nanocomposites: The role of the heterointerface
Zhang, Y, Wang, Y, Qi, S, Dunn, S, Dong, H and Button, T (2018). Enhanced discharge energy density of rGO/PVDF nanocomposites: The role of the heterointerface. Applied Physics Letters. 112 (20), pp. 202904-202904. https://doi.org/10.1063/1.5026180
Greener synthesis of butylene carbonate via CO2 utilisation using graphene-inorganic nanocomposite catalysts
Onyenkeadi, V, Aboelazayem, O, Kellici, S and Saha, B (2018). Greener synthesis of butylene carbonate via CO2 utilisation using graphene-inorganic nanocomposite catalysts. GPE 2018 – 6th International Congress on Green Process Engineering. Toulouse, France 03 - 06 Jun 2018
Greener synthesis of 1,2-butylene carbonate from CO2 using graphene-inorganic nanocomposite catalyst
Onyenkeadi, V, Kellici, S and Saha, B (2018). Greener synthesis of 1,2-butylene carbonate from CO2 using graphene-inorganic nanocomposite catalyst. Energy. 165, pp. 867-876. https://doi.org/10.1016/j.energy.2018.09.135
Continuous Hydrothermal Flow Synthesis of Graphene Quantum Dots
Kellici, S, Acord, J, Power, N, Morgan, D, Heil, T, Coppo, P, Middelkoop, V, Baragau, I., Moore, K and Raston, C (2018). Continuous Hydrothermal Flow Synthesis of Graphene Quantum Dots. Reaction Chemistry and Engineering. 6. https://doi.org/10.1039/C8RE00158H
Green Process Engineering as the Key to Future Processes
Patel, D, Kellici, S and Saha, B (2014). Green Process Engineering as the Key to Future Processes. Processes. 2 (1), pp. 311-332.
A saturated red color converter for visible light communication using a blend of star-shaped organic semiconductors
Sajjad, T, Manousiadis, PP, Orofino, Clara, Kanibolotsky, AL, Findlay, Neil J, Rajbhandari, Sujan, Vithanage, DA, Chun, Hyunchae, Faulkner, GE and O’Brien, DC (2017). A saturated red color converter for visible light communication using a blend of star-shaped organic semiconductors. Applied Physics Letters. 110 (1), pp. 013302-013302. https://doi.org/10.1063/1.4971823
Correlating photovoltaic properties of PTB7-Th:PC71BM blend to photophysics and microstructure as a function of thermal annealing
Jagadamma, Lethy Krishnan, Sajjad, Muhammad T, Savikhin, Victoria, Toney, Michael F, Samuel, Ifor DW and Sajjad, T (2017). Correlating photovoltaic properties of PTB7-Th:PC71BM blend to photophysics and microstructure as a function of thermal annealing. Journal of Materials Chemistry A. 5 (28), pp. 14646-14657. https://doi.org/10.1039/C7TA03144K
Exciton diffusion length and charge extraction yield in organic bilayer solar cells
Siegmund, B., Sajjad, T, Widmer, J., Ray, D., Koerner, C., Riede, M., Leo, K., Samuel, I.D.W. and Vandewal, K. (2017). Exciton diffusion length and charge extraction yield in organic bilayer solar cells. Advanced Materials. 29 (12), pp. 1604424-1604424. https://doi.org/10.1002/adma.201604424
Narrow-band anisotropic electronic structure of ReS2
Biswas, D, Ganose, Alex M, Yano, R, Riley, JM, Bawden, L, Clark, OJ, Feng, J, Collins-Mcintyre, L, Sajjad, T and Meevasana, W (2017). Narrow-band anisotropic electronic structure of ReS2. Physical Review B. 96 (8). https://doi.org/10.1103/PhysRevB.96.085205
Novel 4, 8-benzobisthiazole copolymers and their field-effect transistor and photovoltaic applications
Conboy, G., Taylor, R.G.D., Findlay, N.J., Kanibolotsky, A.L., Inigo, A.R., Ghosh, S.S., Ebenhoch, B., Jagadamma, L.K., Thalluri, G.K.V.V. and Sajjad, T. (2017). Novel 4, 8-benzobisthiazole copolymers and their field-effect transistor and photovoltaic applications. Journal of Materials Chemistry C. 5 (45), pp. 11927-11936. https://doi.org/10.1039/C7TC03959J
Polymer colour converter with very high modulation bandwidth for visible light communications
Vithanage, DA, Kanibolotsky, AL, Rajbhandari, S, Manousiadis, PP, Sajjad, T., Chun, H, Faulkner, GE, O'Brien, DC, Skabara, PJ, Samuel, IDW and Turnbull, GA (2017). Polymer colour converter with very high modulation bandwidth for visible light communications. Journal of Materials Chemistry C. 5 (35), pp. 8916-8920. https://doi.org/10.1039/c7tc03787b
Size dependence of efficiency of PbS quantum dots in NiO-based dye sensitised solar cells and mechanistic charge transfer investigation
Raissi, Mahfoudh, Sajjad, T., Pellegrin, Yann, Roland, Thomas Jean, Jobic, Stéphane, Boujtita, Mohammed, Ruseckas, Arvydas, Samuel, Ifor DW and Odobel, Fabrice (2017). Size dependence of efficiency of PbS quantum dots in NiO-based dye sensitised solar cells and mechanistic charge transfer investigation. Nanoscale. 9 (40), pp. 15566-15575. https://doi.org/https://www.doi.org/10.1039/C7NR03698A
Tuning crystalline ordering by annealing and additives to study its effect on exciton diffusion in a polyalkylthiophene copolymer
Chowdhury, Mithun, Sajjad, T., Savikhin, Victoria, Hergué, Noémie, Sutija, Karina B, Oosterhout, Stefan D, Toney, Michael F, Dubois, Philippe, Ruseckas, Arvydas and Samuel, Ifor DW (2017). Tuning crystalline ordering by annealing and additives to study its effect on exciton diffusion in a polyalkylthiophene copolymer. Physical Chemistry Chemical Physics. 19 (19), pp. 12441-12451. https://doi.org/https://www.doi.org/10.1039/C7CP00877E
Carbon-Nanodot Solar Cells from Renewable Precursors
Marinovic, A, Kiat, LS, Dunn, S, Titirici, MM and Briscoe, J (2017). Carbon-Nanodot Solar Cells from Renewable Precursors. ChemSusChem. 10 (5), pp. 1004-1013. https://doi.org/10.1002/cssc.201601741
Rapid synthesis of graphene quantum dots using a continuous hydrothermal flow synthesis approach
Kellici, S, Acord, J, Power, N, Morgan, D, Coppo, P, Heil, T and Saha, B (2017). Rapid synthesis of graphene quantum dots using a continuous hydrothermal flow synthesis approach. RSC Advances. 24, pp. 14716-14720. https://doi.org/10.1039/c7ra00127d
Photoelectrocatalysis of Rhodamine B and solar hydrogen production by TiO2 and Pd/TiO2 catalyst systems
Yilmaz, P, Lacerda, A M, Larrosa, I and Dunn, S (2017). Photoelectrocatalysis of Rhodamine B and solar hydrogen production by TiO2 and Pd/TiO2 catalyst systems. Electrochimica Acta. 231, pp. 641-649. https://doi.org/10.1016/j.electacta.2017.02.035
Selective Calixarene Directed Synthesis of MXene Plates, Crumpled Sheets, Spheres and Scrolls.
Vaughn, A, Ball, J, Heil, T, Morgan, D, Lampronti, G, Maršalkaitė, G, Raston, CL, Power, N and Kellici, S (2017). Selective Calixarene Directed Synthesis of MXene Plates, Crumpled Sheets, Spheres and Scrolls. Chemistry. 23 (34), pp. 8128-8133. https://doi.org/10.1002/chem.201701702
Greener synthesis of 1, 2 butylene carbonate from CO2 using graphene-inorganic nanocomposite catalysis
Onyenkeadi, V, Kellici, S and Saha, B (2017). Greener synthesis of 1, 2 butylene carbonate from CO2 using graphene-inorganic nanocomposite catalysis. SEEP 2017 –10th International Conference on Sustainable Energy & Environmental Protection. Bled, Slovenia 27 - 30 Jun 2017
Enhanced photocatalytic activity of heterostructured ferroelectric BaTiO3/α-Fe2O3 and the significance of interface morphology control
Cui, Y, Briscoe, J, Wang, Y, Tarakina, N V and Dunn, S (2017). Enhanced photocatalytic activity of heterostructured ferroelectric BaTiO3/α-Fe2O3 and the significance of interface morphology control. ACS applied materials & interfaces. 9 (29), pp. 24518-24526. https://doi.org/10.1021/acsami.7b03523
Pyroelectric energy harvesting for water splitting
Xie, M, Dunn, S, Le Boulbar, E and Bowen, C R (2017). Pyroelectric energy harvesting for water splitting. International Journal of Hydrogen Energy. 42 (37), pp. 23437-23445. https://doi.org/10.1016/j.ijhydene.2017.02.086
Greener synthesis of styrene carbonate from CO2 using graphene-inorganic nanocomposite catalysts
Onyenkeadi, V, Kellici, S and Saha, B (2017). Greener synthesis of styrene carbonate from CO2 using graphene-inorganic nanocomposite catalysts. 10th World Congress of Chemical Engineering (WCCE10). Barcelona, Spain 01 - 05 Oct 2017
New Pathways in the Synthesis of 2-Dimensional Materials
Kellici, S (2017). New Pathways in the Synthesis of 2-Dimensional Materials. 1st Euro-Mediterranean Conference for Environmental Integration. Sousse, Tunisia 22 - 25 Nov 2017 Springer. https://doi.org/10.1007/978-3-319-70548-4_1
BODIPY star-shaped molecules as solid state colour converters for visible light communications
Vithanage, DA, Manousiadis, PP, Sajjad, T, Rajbhandari, Sujan, Chun, Hyunchae, Orofino, Clara, Cortizo-Lacalle, Diego, Kanibolotsky, AL, Faulkner, Grahame and Findlay, NJ (2016). BODIPY star-shaped molecules as solid state colour converters for visible light communications. Applied Physics Letters. 109 (1), pp. 013302-013302. https://doi.org/10.1063/1.4953789
Controlling the emission efficiency of blue-green iridium (iii) phosphorescent emitters and applications in solution-processed organic light-emitting diodes
Sajjad, T, Sharma, Nidhi, Pal, Amlan K, Hasan, Kamrul, Xie, Guohua, Kölln, Lisa S, Hanan, Garry S, Samuel, Ifor DW and Zysman-Colman, Eli (2016). Controlling the emission efficiency of blue-green iridium (iii) phosphorescent emitters and applications in solution-processed organic light-emitting diodes. Journal of Materials Chemistry C. 4 (38), pp. 8939-8946. https://doi.org/10.1039/C6TC02909D
Efficient eco-friendly inverted quantum dot sensitized solar cells
Park, J., Sajjad, T, Jouneau, P-H., Ruseckas, A., Faure-Vincent, J., Samuel, I.D.W., Reiss, P. and Aldakov, D. (2016). Efficient eco-friendly inverted quantum dot sensitized solar cells. Journal of Materials Chemistry A. 4 (3), pp. 827-837. https://doi.org/10.1039/C5TA06769C
Bismuth ferrite enhanced ZnO solid state dye-sensitised solar cell
Loh, L, Briscoe, J and Dunn, S (2016). Bismuth ferrite enhanced ZnO solid state dye-sensitised solar cell. Procedia Engineering. 139, pp. 15-21. https://doi.org/10.1016/j.proeng.2015.09.235
Effect of internal electric fields on charge carrier dynamics in a ferroelectric material for solar energy conversion
Morris, MR, Pendlebury, SR, Hong, J, Dunn, S and Durrant, JR (2016). Effect of internal electric fields on charge carrier dynamics in a ferroelectric material for solar energy conversion. Advanced Materials. 28 (33), pp. 7123-7128. https://doi.org/10.1002/adma.201601238
Tuning the electrocaloric enhancement near the morphotropic phase boundary in lead-free ceramics
Le Goupil, F, McKinnon, R, Koval, V, Viola, G, Dunn, S, Berenov, A, Yan, H and Alford, N (2016). Tuning the electrocaloric enhancement near the morphotropic phase boundary in lead-free ceramics. Scientific Reports. 6, p. 28251. https://doi.org/10.1038/srep28251
Calixarene Assisted Rapid Synthesis of Silver-Graphene Nanocomposites with Enhanced Antibacterial Activity
Kellici, S, Acord, J, Vaughn, A, Power, N, Morgan, D, Heil, T, Facq, S and Lampronti, G (2016). Calixarene Assisted Rapid Synthesis of Silver-Graphene Nanocomposites with Enhanced Antibacterial Activity. ACS applied materials & interfaces. 8 (29), pp. 19038-19046. https://doi.org/10.1021/acsami.6b06052
Structural, Optical and Magnetic Properties of Cu-Doped ZnO Nanoparticles by Co-Precipitation Method
Fabbiyola, S, Kennedy, L J, JudithVijaya, J, Bououdina, M and Dunn, S (2016). Structural, Optical and Magnetic Properties of Cu-Doped ZnO Nanoparticles by Co-Precipitation Method. Journal of Nanoscience and Nanotechnology. 16 (9), pp. 9722-9730. https://doi.org/10.1166/jnn.2016.12094
Controlling exciton diffusion and fullerene distribution in photovoltaic blends by side chain modification
Sajjad, T, Ward, Alexander J, Kästner, Christian, Ruseckas, Arvydas, Hoppe, Harald and Samuel, Ifor DW (2015). Controlling exciton diffusion and fullerene distribution in photovoltaic blends by side chain modification. The journal of physical chemistry letters. 6 (15), pp. 3054-3060. https://doi.org/10.1021/acs.jpclett.5b01059
Fluorescent Red-Emitting BODIPY Oligofluorene Star-Shaped Molecules as a Color Converter Material for Visible Light Communications
Sajjad, T, Manousiadis, Pavlos P, Orofino, Clara, Cortizo-Lacalle, Diego, Kanibolotsky, Alexander L, Rajbhandari, Sujan, Amarasinghe, Dimali, Chun, Hyunchae, Faulkner, Grahame and O’Brien, Dominic C (2015). Fluorescent Red-Emitting BODIPY Oligofluorene Star-Shaped Molecules as a Color Converter Material for Visible Light Communications. Advanced optical materials. 3 (4), pp. 536-540. https://doi.org/10.1002/adom.201400424
Mercaptophosphonic acids as efficient linkers in quantum dot sensitized solar cells
Aldakov, D, Sajjad, T, Ivanova, V, Bansal, AK, Park, J, Reiss, P and Samuel, IDW (2015). Mercaptophosphonic acids as efficient linkers in quantum dot sensitized solar cells. Journal of Materials Chemistry A. 3 (37), pp. 19050-19060. https://doi.org/10.1039/C5TA04021C
Novel fast color-converter for visible light communication using a blend of conjugated polymers
Sajjad, T, Manousiadis, Pavlos P, Chun, Hyunchae, Vithanage, Dimali A, Rajbhandari, Sujan, Kanibolotsky, Alexander L, Faulkner, Grahame, O’Brien, Dominic, Skabara, Peter J and Samuel, Ifor DW (2015). Novel fast color-converter for visible light communication using a blend of conjugated polymers. Acs Photonics. 2 (2), pp. 194-199. https://doi.org/10.1021/ph500451y
Photophysical and structural characterisation of in situ formed quantum dots
Bansal, AK, Antolini, F, Sajjad, T, Stroea, L, Mazzaro, R, Ramkumar, SG, Kass, K-J, Allard, S, Scherf, U and Samuel, IDW (2014). Photophysical and structural characterisation of in situ formed quantum dots. Physical Chemistry Chemical Physics. 16 (20), pp. 9556-9564. https://doi.org/https://www.doi.org/10.1039/C4CP00727A
Synthesis and properties of novel star-shaped oligofluorene conjugated systems with BODIPY cores
Orofino-Pena, Clara, Cortizo-Lacalle, Diego, Cameron, Joseph, Sajjad, T., Manousiadis, Pavlos P, Findlay, Neil J, Kanibolotsky, Alexander L, Amarasinghe, Dimali, Skabara, Peter J and Tuttle, Tell (2014). Synthesis and properties of novel star-shaped oligofluorene conjugated systems with BODIPY cores. Beilstein journal of organic chemistry. 10, pp. 2704-2714. https://doi.org/https://www.doi.org/10.3762/bjoc.10.285
Imaging the continuous hydrothermal flow synthesis of nanoparticulate CeO2 at different supercritical water temperatures using in situ angle-dispersive diffraction
Middelkoop, V, Tighe, CJ, Kellici, S, Gruar, RI, Perkins, JM, Jacques, SDM, Barnes, P and Darr, JA (2014). Imaging the continuous hydrothermal flow synthesis of nanoparticulate CeO2 at different supercritical water temperatures using in situ angle-dispersive diffraction. Journal of Supercritical Fluids. 87, pp. 118 - 128. https://doi.org/10.1016/j.supflu.2013.12.022
Optical and photocatalytic behaviours of nanoparticles in the Ti-Zn-O binary system
Goodall, JBM, Kellici, S, Illsley, D, Lines, R, Knowles, JC and Darr, JA (2014). Optical and photocatalytic behaviours of nanoparticles in the Ti-Zn-O binary system. RSC Advances. 4 (60), pp. 31799 - 31809. https://doi.org/10.1039/c3ra48030e
Measurement of a reaction-diffusion crossover in exciton-exciton recombination inside carbon nanotubes using femtosecond optical absorption
Allam, J, Sajjad, T, Sutton, R, Litvinenko, K, Wang, Zilong, Siddique, S, Yang, Q-H, Loh, Wei H and Brown, T (2013). Measurement of a reaction-diffusion crossover in exciton-exciton recombination inside carbon nanotubes using femtosecond optical absorption. Physical review letters. 111 (19), pp. 197401-197401. https://doi.org/10.1103/PhysRevLett.111.197401
Acoustic enhancement of polymer/ZnO nanorod photovoltaic device performance
Shoaee, S, Briscoe, J, Durrant, JR and Dunn, S (2013). Acoustic enhancement of polymer/ZnO nanorod photovoltaic device performance. Advanced Materials. 26 (2), pp. 263-268. https://doi.org/10.1002/adma.201303304