Listar por tema "Nanocatalysts"

Ag nanoparticles modified crumpled borophene supported Co3O4 catalyst showing superior oxygen evolution reaction (OER) performance

Saad A., Liu D., Wu Y., Song Z., Li Y., Najam T., Zong K., Tsiakaras P., Cai X. (2021)

Herein, we report borophene decorated with Ag nanoparticles (Ag@B) as a support, which shows greatly enhanced oxygen-evolution-reaction (OER) performance for Co3O4 catalysts. The excellent OER performance of Co3O4-Ag@B is ...

Bifunctional catalysts for overall water splitting: CoNi oxyhydroxide nanosheets electrodeposited on titanium sheets

Yu C., Lu J., Luo L., Xu F., Shen P.K., Tsiakaras P., Yin S. (2019)

In this work, CoNi oxyhydroxide nanosheets [CoNi-OOH-30(40)] are synthesized, through two simple steps, as efficient bifunctional catalysts in alkaline media. First, a shape-controlled CoNi-X alloy (X denotes electrodeposition ...

Efficient carbon dioxide electroreduction over rationally designed heterogeneous Ag2S-Au nanocomposites

Chen Q.S., Cui P.L., Yang J., Chen D., Liu H., Feng H., Tsiakaras P., Shen P.K. (2022)

Electrochemical carbon dioxide reduction reaction (CO2RR) is regarded as an effective strategy to store abundant renewable energy and build a carbon neutral society. Gold (Au) and silver (Ag)-based catalysts for the effective ...

Enhanced oxygen reduction and methanol oxidation reaction over self-assembled Pt-M (M = Co, Ni) nanoflowers

Li X., Liu Y., Zhu J., Tsiakaras P., Shen P.K. (2022)

Herein, we introduce a facile approach to synthesize a unique class of Pt-M (M = Ni, Co) catalysts with a nanoflower structure for boosting both oxygen reduction reaction (ORR) and methanol oxidation reaction (MOR). By ...

Enhanced Ultrasonic-Assisted Heterogeneous Fenton Degradation of Organic Pollutants over a New Copper Magnetite (Cu-Fe3O4/Cu/C) Nanohybrid Catalyst

Xiao J., Lai J., Li R., Fang X., Zhang D., Tsiakaras P., Wang Y. (2020)

A copper magnetite nanohybrid catalyst (Cu-Fe3O4/Cu/C), abundant of Schottky interfaces and structural defects, with ultrathin encapsulation of graphitic carbon, was synthesized and tested. The catalyst shows enhanced ...

Highly stable cathodes for proton exchange membrane fuel cells: Novel carbon supported Au@PtNiAu concave octahedral core-shell nanocatalyst

Feng H., Luo Y., Yan B., Guo H., He L., Qun Tian Z., Tsiakaras P., Kang Shen P. (2022)

Despite the remarkable research efforts, the lack of ideal activity and state-of-the-art electrocatalysts remains a substantial challenge for the global application of fuel cell technology. Herein, is reported the synthesis ...

Highly stable Pt-Co nanodendrite in nanoframe with Pt skin structured catalyst for oxygen reduction electrocatalysis

Zhu X., Huang L., Wei M., Tsiakaras P., Shen P.K. (2021)

A novel self-etched engineering of Pt-Co nanodendrite in nanoframe (Pt-Co ND-NF) synthesized through a simple one-pot approach, for the first-time. The modulation mechanism of Pt-Co ND-NF formation is established by ...

Molybdenum-modified and vertex-reinforced quaternary hexapod nano-skeletons as efficient electrocatalysts for methanol oxidation and oxygen reduction reaction

Huang L., Wei M., Hu N., Tsiakaras P., Kang Shen P. (2019)

Noble metal binary and ternary catalysts have become a new class of fuel cell electrocatalysts due to their high catalytic activity. However, improvement is still necessary to reduce the consumption of Pt and obtain the ...

Shell-thickness-dependent Pd@PtNi core–shell nanosheets for efficient oxygen reduction reaction

Chen Q., Chen Z., Ali A., Luo Y., Feng H., Luo Y., Tsiakaras P., Kang Shen P. (2022)

Platinum-based ultrathin core–shell nanosheets catalyst with moderate shell thickness have great potential to solve the problems of highly active catalyst for oxygen reduction reaction (ORR) within proton exchange membrane ...