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Featured researches published by Guanyu Liu.


ACS Nano | 2017

Omnidirectional Self-Assembly of Transparent Superoleophobic Nanotextures

William S. Y. Wong; Guanyu Liu; Noushin Nasiri; Chonglei Hao; Zuankai Wang; Antonio Tricoli

Engineering surface textures that are highly transparent and repel water, oil, and other low surface energy fluids can transform our interaction with wet environments. Despite extensive progress, current top-down methods are based on directional line-of-sight fabrication mechanisms that are limited by scale and cannot be applied to highly uneven, curved, and enclosed surfaces, while bottom-up techniques often suffer from poor optical transparency. Here, we present an approach that enables the rapid, omnidirectional synthesis of flexible and up to 99.97% transparent superhydrophobic and -oleophobic textures on many variable surface types. These features are obtained by the spontaneous formation of a multi re-entrant morphology during the controlled self-assembly of nanoparticle aerosols. We also develop a mathematical model to explain and control the self-assembly dynamics, providing important insights for the rational engineering of functional materials. We envision that our findings represent a significant advance in imparting superoleophobicity and superamphiphobicity to a so-far inapplicable family of materials and geometries for multifunctional applications.


Chemsuschem | 2015

Scalable Synthesis of Efficient Water Oxidation Catalysts: Insights into the Activity of Flame-Made Manganese Oxide Nanocrystals.

Guanyu Liu; Jeremy Hall; Noushin Nasiri; Thomas R. Gengenbach; Leone Spiccia; Mun Hon Cheah; Antonio Tricoli

Chemical energy storage by water splitting is a promising solution for the utilization of renewable energy in numerous currently impracticable needs, such as transportation and high temperature processing. Here, the synthesis of efficient ultra-fine Mn3O4 water oxidation catalysts with tunable specific surface area is demonstrated by a scalable one-step flame-synthesis process. The water oxidation performance of these flame-made structures is compared with pure Mn2O3 and Mn5O8, obtained by post-calcination of as-prepared Mn3O4 (115 m(2)  g(-1)), and commercial iso-structural polymorphs, probing the effect of the manganese oxidation state and synthetic route. The structural properties of the manganese oxide nanoparticles were investigated by XRD, FTIR, high-resolution TEM, and XPS. It is found that these flame-made nanostructures have substantially higher activity, reaching up to 350 % higher surface-specific turnover frequency (0.07 μmolO2  m(-2)  s(-1)) than commercial nanocrystals (0.02 μmolO2  m(-2)  s(-1)), and production of up to 0.33 mmolO2  molMn (-1)  s(-1). Electrochemical characterization confirmed the high water oxidation activity of these catalysts with an initial current density of 10 mA cm(-2) achieved with overpotentials between 0.35 and 0.50 V in 1 m NaOH electrolyte.


Nanoscale | 2016

Ultraporous superhydrophobic gas-permeable nano-layers by scalable solvent-free one-step self-assembly

Guanyu Liu; William S. Y. Wong; Noushin Nasiri; Antonio Tricoli


Advanced Materials Interfaces | 2015

Flexible Transparent Hierarchical Nanomesh for Rose Petal‐Like Droplet Manipulation and Lossless Transfer

William S. Y. Wong; Noushin Nasiri; Guanyu Liu; Nicholas Rumsey-Hill; Vincent S. J. Craig; David R. Nisbet; Antonio Tricoli


Advanced Energy Materials | 2016

Robust Sub‐Monolayers of Co3O4 Nano‐Islands: A Highly Transparent Morphology for Efficient Water Oxidation Catalysis

Guanyu Liu; Siva Krishna Karuturi; Alexandr N. Simonov; Monika Fekete; Hongjun Chen; Noushin Nasiri; Nhien Hon Le; Parvathala Reddy Narangari; Mykhaylo Lysevych; Thomas R. Gengenbach; Adrian Lowe; Hark Hoe Tan; Chennupati Jagadish; Leone Spiccia; Antonio Tricoli


Small | 2017

Superamphiphobic Bionic Proboscis for Contamination-Free Manipulation of Nano and Core–Shell Droplets

William S. Y. Wong; Guanyu Liu; Antonio Tricoli


Nano Energy | 2018

Earth-abundant transition metal oxides with extraordinary reversible oxygen exchange capacity for efficient thermochemical synthesis of solar fuels

Xiang Gao; Guanyu Liu; Ye Zhu; Peter B. Kreider; Alicia Bayon; Thomas R. Gengenbach; Teng Lu; Yun Liu; Jim Hinkley; Wojciech Lipiński; Antonio Tricoli


Nano Energy | 2018

Tuning the morphology and structure of disordered hematite photoanodes for improved water oxidation: A physical and chemical synergistic approach

Guanyu Liu; Siva Krishna Karuturi; Hongjun Chen; Leone Spiccia; Hark Hoe Tan; Chennupati Jagadish; Dunwei Wang; Alexandr N. Simonov; Antonio Tricoli


ChemPlusChem | 2018

One‐Step Rapid and Scalable Flame Synthesis of Efficient WO3 Photoanodes for Water Splitting

Hongjun Chen; Renheng Bo; Thanh Tran-Phu; Guanyu Liu; Antonio Tricoli


Advanced Sustainable Systems | 2018

A Review of Metal‐ and Metal‐Oxide‐Based Heterogeneous Catalysts for Electroreduction of Carbon Dioxide

Guanyu Liu; Thanh Tran-Phu; Hongjun Chen; Antonio Tricoli

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Antonio Tricoli

Australian National University

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Noushin Nasiri

Australian National University

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Hongjun Chen

Australian National University

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Thomas R. Gengenbach

Commonwealth Scientific and Industrial Research Organisation

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William S. Y. Wong

Australian National University

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Chennupati Jagadish

Australian National University

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Hark Hoe Tan

Australian National University

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Jeremy Hall

Australian National University

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Mun Hon Cheah

Australian National University

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