September 3, 2021
Our work on extreme near-field heat transfer has been published in the physical review B. The paper title is “Extreme near-field heat transfer between gold surfaces” Abstract: Extreme near-field heat transfer between metallic surfaces is a subject of debate as the state-of-the-art theory and experiments are in disagreement on the energy carriers driving heat transport. […]
March 30, 2021
Our work on photon-enhanced thermionic emission (PETE) has been published in the Solar Energy Materials and Solar Cells. The paper title is “Comprehensive energy balance analysis of photon-enhanced thermionic power generation considering concentrated solar absorption distribution” Abstract: The present article reports a comprehensive energy balance analysis of a photon-enhanced thermionic emission (PETE) device when it […]
February 25, 2021
Our work on sub-micron gap thermionic devices has been published in the Physical Review Applied. The paper title is “Submicrometer-Gap Thermionic Power Generation Based on Comprehensive Modeling of Charge and Thermal Transport” Abstract: This paper presents the comprehensive performance analysis of thermionic power generation when the interelectrode vacuum gap shrinks to the submicron range. Although […]
February 25, 2021
A review paper on the experimental investigation of near-field thermal radiation has come out. The paper title is “EXPERIMENTAL EXPLORATION OF NEAR-FIELD RADIATIVE HEAT TRANSFER” Abstract: This paper presents an in-depth review of ongoing experimental research efforts to fundamentally understand the strong near-field enhancement of radiative heat transfer and make use of the underlying physics […]
March 5, 2019
Our first work in scattering type visible near-field scanning optical microscope has been published in Applied Optics. Abstract: Due to its superb imaging spatial resolution and spectroscopic viability, scattering-type scanning near-field optical microscopy (s-SNOM) has proven to be widely applicable for nanoscale surface imaging and characterization. However, limited works have investigated the sensitivity of […]
November 24, 2018
Our research in collaboration with Prof. Jungchul Lee’s group at KAIST (Korea) has been published in Micro and Nano Systems Letters. The paper title is “Hydrogel tip attached quartz tuning fork for shear force microscopy”. Abstract: This paper reports the first demonstration of hydrogel conical tip attachment onto quartz tuning fork (QTF) by using an […]
June 19, 2018
Amun has published in Review of Scientific Instruments. The title of his publication is “Feedback control of local hotspot temperature using resistive on-substrate nanoheater/thermoemeter”. Abstract: This article reports the active control of a local hotspot temperature for accurate nanoscale thermal transport measurement. To this end, we have fabricated resistive on-substrate nanoheater/thermometer (NH/T) devices that have a […]
May 1, 2018
Mohammad has published in Physical Review Letters. The title of his publication is “Precision Measurement of Phonon-Polaritonic Near-Field Energy Transfer between Macroscale Planar Structures Under Large Thermal Gradients”. Abstract: Despite its strong potentials in emerging energy applications, near-field thermal radiation between large planar structures has not been fully explored in experiments. Particularly, it is extremely challenging to […]
April 17, 2018
Devon has published in the Journal of Nanophotonics. The title of his publication is “Design analysis of hybrid silicon-on-nothing photonic crystal–nanoantenna structures for engineering of midinfrared radiative properties”. Abstract: Electromagnetic (EM) behaviors of photonic crystals (PhCs) and nanoantenna (NA) arrays have been extensively studied and applied to a myriad of applications, including light absorption, surface-enhanced Raman scattering, light trapping […]
January 17, 2018
Amun and Cedric have published in the Frontiers of Energy. The title of their publication is “Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials”. Abstract: Vibrational spectroscopy is one of the key instrumentations that provide non-invasive investigation of structural and chemical composition for both organic and inorganic materials. However, diffraction of light fundamentally limits the […]