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Highly sensitive acetone sensor based on WO3 nanosheets derived from WS2 nanoparticles with inorganic fullerene-like structures (2021)
Journal Article
Chang, X., Xu, S., Liu, S., Wang, N., Sun, S., Zhu, X., …Zhu, Y. (2021). Highly sensitive acetone sensor based on WO3 nanosheets derived from WS2 nanoparticles with inorganic fullerene-like structures. Sensors and Actuators B: Chemical, 343, Article 130135. https://doi.org/10.1016/j.snb.2021.130135

Metal oxide semiconductor (MOS) gas sensors are promising for applications in environmental monitoring, dangerous gas detection, and disease diagnosis. Seeking for advanced MOS sensing materials that possess high sensitivity and low limit of detectio... Read More about Highly sensitive acetone sensor based on WO3 nanosheets derived from WS2 nanoparticles with inorganic fullerene-like structures.

DFT and experimental studies of iron oxide-based nanocomposites for efficient electrocatalysis (2021)
Journal Article
Ola, O., Ullah, H., Chen, Y., Thummavichai, K., Wang, N., & Zhu, Y. (2021). DFT and experimental studies of iron oxide-based nanocomposites for efficient electrocatalysis. Journal of Materials Chemistry C, 9(20), 6409-6417. https://doi.org/10.1039/d1tc01022k

The synthesis of iron oxide nanoparticles coated with graphitic carbon nitride (FeX-NC), and their improved electrochemical stability and corrosion resistance in acidic electrolyte environment are reported. Our results show that the FeX-NC nanocompos... Read More about DFT and experimental studies of iron oxide-based nanocomposites for efficient electrocatalysis.

Sodium Tungsten Oxide Bronze Nanowires Bundles in Adsorption of Methylene Blue Dye under UV and Visible Light Exposure (2021)
Journal Article
Thummavichai, K., Thi, L. A., Pung, S., Ola, O., Hussain, M. Z., Chen, Y., …Zhu, Y. (2021). Sodium Tungsten Oxide Bronze Nanowires Bundles in Adsorption of Methylene Blue Dye under UV and Visible Light Exposure. Energies, 14(5), Article 1322. https://doi.org/10.3390/en14051322

This paper describes the analysis and characterization of NayWOx bronze nanowires bundles and evaluation of their effective adsorption of methylene blue dye (MB). The Na-doped WOx bronze nanowires bundles were first synthesized via a simple solvother... Read More about Sodium Tungsten Oxide Bronze Nanowires Bundles in Adsorption of Methylene Blue Dye under UV and Visible Light Exposure.

Multifunctional porous SiC nanowire scaffolds (2021)
Journal Article
Chen, Y., Ola, O., Liu, G., Han, L., Hussain, M. Z., Thummavichai, K., …Zhu, Y. (2021). Multifunctional porous SiC nanowire scaffolds. Journal of the European Ceramic Society, 41(7), 3970-3979. https://doi.org/10.1016/j.jeurceramsoc.2021.02.021

Porous SiC nanowire (SiCNW) ceramics have great potentials for engineering applications. We herein report the fabrication of 3D SiCNW scaffolds with tuneable microstructures, densities, and therefore properties, by regulating the solid loading conten... Read More about Multifunctional porous SiC nanowire scaffolds.

Porous ceramics: Light in weight but heavy in energy and environment technologies (2020)
Journal Article
Chen, Y., Wang, N., Ola, O., Xia, Y., & Zhu, Y. (2021). Porous ceramics: Light in weight but heavy in energy and environment technologies. Materials Science and Engineering: R: Reports, 143, Article 100589. https://doi.org/10.1016/j.mser.2020.100589

Benefitting from the combined properties of intrinsic ceramic materials and advanced porous configuration, lightweight porous ceramics with porosity ranging from 2.3 to 99% and pore size distribution within 3 nm - 3 mm exhibit low density, large spec... Read More about Porous ceramics: Light in weight but heavy in energy and environment technologies.

Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties (2020)
Conference Proceeding
Ola, O., & Zhu, Y. (2020). Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties. . https://doi.org/10.1115/imece2020-23137

In this work, tungsten-based hybrid nanocomposites were grown on interconnected, macroscopic graphitic carbon nitride scaffold after solvothermal treatment followed by sulfidation to attain multifunctional composite electrocatalysts. The physicochemi... Read More about Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties.

In situ fabrication of dendritic tin-based carbon nanostructures for hydrogen evolution reaction (2020)
Journal Article
Ola, O., Chen, Y., Thummavichai, K., & Zhu, Y. (2020). In situ fabrication of dendritic tin-based carbon nanostructures for hydrogen evolution reaction. Sustainable Energy and Fuels, 4(10), 5223-5228 . https://doi.org/10.1039/d0se00812e

In this work, dendritic tin-based carbon (Sn/C) nanostructures with four different morphologies were synthesized by a facile two-step carbonization and chemical vapor deposition method and were then evaluated for their performance in hydrogen evoluti... Read More about In situ fabrication of dendritic tin-based carbon nanostructures for hydrogen evolution reaction.

Metal Sulfide Nanoparticles Anchored N, S Co-doped Porous Carbon Nanofibers as Highly Efficient Bifunctional Electrocatalysts for Oxygen Reduction/Evolution Reactions (2020)
Journal Article
Niu, Q., Ola, O., Chen, B., Zhu, Y., Xia, Y., & Ma, G. (2020). Metal Sulfide Nanoparticles Anchored N, S Co-doped Porous Carbon Nanofibers as Highly Efficient Bifunctional Electrocatalysts for Oxygen Reduction/Evolution Reactions. International Journal of Electrochemical Science, 15, 4869-4883. https://doi.org/10.20964/2020.06.28

Developing multi-functional electrocatalysts is a key for new energy techniques, such as fuel cells, metal-air batteries, and water splitting. In this paper, a bifunctional (ORR/OER) electrocatalysts, metal sulfide nanoparticles anchored N, S co-dope... Read More about Metal Sulfide Nanoparticles Anchored N, S Co-doped Porous Carbon Nanofibers as Highly Efficient Bifunctional Electrocatalysts for Oxygen Reduction/Evolution Reactions.

Carbon Encapsulated WS<inf>2</inf> Nanocomposites Derived from ZIF-67@WS<inf>2</inf> Core-Shell Nanoparticles and their electrocatalytic applications (2020)
Journal Article
Niu, Q., Ola, O., Wang, N., Chen, B., Zhu, Y., & Xia, Y. (2020). Carbon Encapsulated WS2 Nanocomposites Derived from ZIF-67@WS2 Core-Shell Nanoparticles and their electrocatalytic applications. International Journal of Electrochemical Science, 15, 12370-12379. https://doi.org/10.20964/2020.12.85

In this work, Co9S8 and N,S co-dopped carbon encapsulated WS2 nanocomposites (Co9S8-N,S-C@WS2) has been successfully prepared through a high-temperature carbonization of the precursor ZIF-67@WS2 nanoparticles. The obtained Co9S8-N,S-C@WS2 nanoparticl... Read More about Carbon Encapsulated WS<inf>2</inf> Nanocomposites Derived from ZIF-67@WS<inf>2</inf> Core-Shell Nanoparticles and their electrocatalytic applications.

SiC Nanowire Sponges as Electropressure Sensors (2019)
Journal Article
Chen, Y., Ola, O., Chen, H., Wang, N., Xia, Y., & Zhu, Y. (2019). SiC Nanowire Sponges as Electropressure Sensors. ACS Applied Nano Materials, 2(12), 7540-7548. https://doi.org/10.1021/acsanm.9b01590

Lightweight, flexible, and highly porous ceramics are very attractive to engineering applications due to their good inertness, stability, and excellent mechanical properties. We here report such SiC nanowire (SiCNW) sponges and demonstrate their mult... Read More about SiC Nanowire Sponges as Electropressure Sensors.

Carbon nanotube reinforced nanocomposites for energy conversion and storage (2019)
Journal Article
Ola, O., Niu, Q., Chen, Y., Xia, Y., & Zhu, Y. (2019). Carbon nanotube reinforced nanocomposites for energy conversion and storage. Journal of Power Sources, 443, Article 227277. https://doi.org/10.1016/j.jpowsour.2019.227277

CNT-reinforced foams comprised of three-dimensional (3D) interconnected macropores with uniform mesoporous walls were developed as multifunctional nanocomposites and tested for electrochemical energy conversion and storage. Multi-walled CNTs grown on... Read More about Carbon nanotube reinforced nanocomposites for energy conversion and storage.

Ultralight three-dimensional, carbon-based nanocomposites for thermal energy storage (2019)
Journal Article
Ola, O., Chen, Y., Niu, Q., Xia, Y., Mallick, T., & Zhu, Y. (2020). Ultralight three-dimensional, carbon-based nanocomposites for thermal energy storage. Journal of Materials Science and Technology, 36, 70-78. https://doi.org/10.1016/j.jmst.2019.06.014

Polymer based nanocomposites consisting of elastic three-dimensional (3D) carbon foam (CF), paraffin wax and graphene nanoplatelets (GNPs) have been created and evaluated for thermal energy storage. The ultralight, highly porous (∼98.6% porosity), an... Read More about Ultralight three-dimensional, carbon-based nanocomposites for thermal energy storage.

Three-dimensional carbon foam nanocomposites for thermal energy storage (2018)
Journal Article
Ola, O., Chen, Y., & Zhu, Y. (2019). Three-dimensional carbon foam nanocomposites for thermal energy storage. Solar Energy Materials and Solar Cells, 191, 297-305. https://doi.org/10.1016/j.solmat.2018.11.037

Nanocomposites consisting of paraffin/graphene nanoplatelets mix embedded in carbon foams via vacuum infiltration were fabricated with the aim of developing new phase change material (PCM) formulation with excellent shape stabilization, improved ther... Read More about Three-dimensional carbon foam nanocomposites for thermal energy storage.

Enhanced photocatalytic reduction of carbon dioxide in optical fiber monolith reactor with transparent glass balls (2018)
Journal Article
Chen, H., Chu, F., Yang, L., Ola, O., Du, X., & Yang, Y. (2018). Enhanced photocatalytic reduction of carbon dioxide in optical fiber monolith reactor with transparent glass balls. Applied Energy, 230, 1403-1413. https://doi.org/10.1016/j.apenergy.2018.09.081

Photocatalytic reduction of carbon dioxide to produce methanol is a promising approach to restrain greenhouse gases emissions and mitigate energy shortage, which attracts extensive concerns in recent years. The optical fiber monolith reactor with sol... Read More about Enhanced photocatalytic reduction of carbon dioxide in optical fiber monolith reactor with transparent glass balls.

Modeling photocatalytic conversion of carbon dioxide in bubbling twin reactor (2017)
Journal Article
Chu, F., Li, S., Chen, H., Yang, L., Ola, O., Maroto-Valer, M., …Yang, Y. (2017). Modeling photocatalytic conversion of carbon dioxide in bubbling twin reactor. Energy Conversion and Management, 149, 514-525. https://doi.org/10.1016/j.enconman.2017.07.049

The production of valued added fuels and chemicals via photocatalytic carbon dioxide reduction has attracted increasing attentions in recent years. Based on the traditional twin reactor configuration, a novel bubbling twin reactor is proposed to impr... Read More about Modeling photocatalytic conversion of carbon dioxide in bubbling twin reactor.

Effects of titania based catalysts on in-situ pyrolysis of Pavlova microalgae (2017)
Journal Article
Aysu, T., Ola, O., Maroto-Valer, M. M., & Sanna, A. (2017). Effects of titania based catalysts on in-situ pyrolysis of Pavlova microalgae. Fuel Processing Technology, 166, 291-298. https://doi.org/10.1016/j.fuproc.2017.05.001

Pavlova microalga was pyrolysed in presence of titania based catalysts in a fixed bed reactor at various temperatures. The effects of catalysts on Pavlova microalga pyrolysis were investigated. A large fraction of the starting energy (∼ 63–74% daf) w... Read More about Effects of titania based catalysts on in-situ pyrolysis of Pavlova microalgae.

Reaction and Reactor Engineering (2017)
Book Chapter
Lauwaert, J., Thybaut, J. W., Goguet, A., Hardacre, C., Ola, O., & Mercedes, M. (2017). Reaction and Reactor Engineering. In D. Vogt, J. Thybaut, & P. C. J. Kamer (Eds.), Contemporary Catalysis: Science, Technology, and Applications. Royal Society of Chemistry

Photocatalytic reduction of CO 2 by CO co-feed combined with photocatalytic water splitting in a novel twin reactor (2016)
Journal Article
Yang, Y., Li, S., Du, X., Yang, L., Ola, O., & Maroto-Valer, M. (2016). Photocatalytic reduction of CO 2 by CO co-feed combined with photocatalytic water splitting in a novel twin reactor. Energy Conversion and Management, 116, 184-193. https://doi.org/10.1016/j.enconman.2016.03.001

As a promising way to control greenhouse gas emission and alleviate global energy shortage, photocatalytic reduction of carbon dioxide attracts more attentions in recent years since it can produce fuels efficiently with the combination of H2 through... Read More about Photocatalytic reduction of CO 2 by CO co-feed combined with photocatalytic water splitting in a novel twin reactor.