User profiles for Kui Yao

Kui Yao

Institute of Materials Research & Engineering (IMRE), Agency for Science, Technology and …
Verified email at imre.a-star.edu.sg
Cited by 11620

[PDF][PDF] Bulk photovoltaic effect at visible wavelength in epitaxial ferroelectric BiFeO3 thin films

W Ji, K Yao, YC Liang - Advanced Materials, 2010 - academia.edu
While silicon-based diodes have been the dominant solar cell type, novel photovoltaic
mechanisms [1, 2] are being explored in pursuit of lower cost or improved efficiency. In a …

Bright aggregation‐induced‐emission dots for targeted synergetic NIR‐II fluorescence and NIR‐I photoacoustic imaging of orthotopic brain tumors

…, B Guo, D Hu, S Xu, W Wu, WH Liew, K Yao… - Advanced …, 2018 - Wiley Online Library
Precise diagnostics are of significant importance to the optimal treatment outcomes of
patients bearing brain tumors. NIR‐II fluorescence imaging holds great promise for brain‐tumor …

High efficient photovoltaics in nanoscaled ferroelectric thin films

M Qin, K Yao, YC Liang - Applied Physics Letters, 2008 - pubs.aip.org
Photovoltaic effect in ferroelectric thin films with thickness below 100 nm was investigated
through both theoretical and experimental approaches. Unprecedented high photovoltaic …

Gate-controlled nonvolatile graphene-ferroelectric memory

…, GX Ni, CT Toh, MG Zeng, ST Chen, K Yao… - Applied Physics …, 2009 - pubs.aip.org
In this letter, we demonstrate a nonvolatile memory device in a graphene field-effect-transistor
structure using ferroelectric gating. The binary information, ie,“1” and “0”, is represented by …

Giant piezoelectricity in oxide thin films with nanopillar structure

…, DJ Singh, LQ Chen, SJ Pennycook, K Yao - Science, 2020 - science.org
High-performance piezoelectric materials are critical components for electromechanical
sensors and actuators. For more than 60 years, the main strategy for obtaining large …

Nonlinear dielectric thin films for high-power electric storage with energy density comparable with electrochemical supercapacitors

K Yao, S Chen, M Rahimabady… - IEEE transactions on …, 2011 - ieeexplore.ieee.org
Although batteries possess high energy storage density, their output power is limited by the
slow movement of charge carriers, and thus capacitors are often required to deliver high …

Graphene field-effect transistors with ferroelectric gating

Y Zheng, GX Ni, CT Toh, CY Tan, K Yao, B Özyilmaz - Physical review letters, 2010 - APS
Recent experiments on ferroelectric gating have introduced a novel functionality, ie, nonvolatility,
in graphene field-effect transistors. A comprehensive understanding in the nonlinear, …

Graphene–ferroelectric hybrid structure for flexible transparent electrodes

…, S Bae, CY Tan, O Kahya, J Wu, BH Hong, K Yao… - ACS …, 2012 - ACS Publications
Graphene has exceptional optical, mechanical, and electrical properties, making it an
emerging material for novel optoelectronics, photonics, and flexible transparent electrode …

Evolution from lead‐based to lead‐free piezoelectrics: engineering of lattices, domains, boundaries, and defects leading to giant response

M Waqar, H Wu, J Chen, K Yao, J Wang - Advanced Materials, 2022 - Wiley Online Library
Piezoelectric materials are known to mankind for more than a century, with numerous
advancements made in both scientific understandings and practical applications. In the last two …

Dielectric behaviors and high energy storage density of nanocomposites with core–shell BaTiO 3@ TiO 2 in poly (vinylidene fluoride-hexafluoropropylene)

M Rahimabady, MS Mirshekarloo, K Yao… - Physical Chemistry …, 2013 - pubs.rsc.org
Nanocomposites comprising a P(VDF-HFP) polymer matrix and core–shell structured
nanoparticle fillers were prepared, in which a crystalline, ultrathin TiO2 shell layer encapsulates …