Ming-Ru Tang

Beijing Institute of Petrochemical Technology

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Si‐Chen Lee

National Taiwan University

Yi-Tsung Chang

Jimei University

Hui‐Hsin Hsiao

National Taiwan University

Wei-Lun Huang

National Cheng Kung University

Chung-Hung Hong

China Medical University

Sungnam Chang

Samsung (South Korea)

Chung-Hung Hong

National Taiwan University

Wei Tu

Jiangxi Science and Technology Normal University

Chi‐Shin Tseng

National Taiwan University Hospital

Xianfeng Wang

Beijing Jishuitan Hospital

Cooperative Institutions

National Taiwan University

National Yang Ming Chiao Tung University

Chang Gung University

Army Medical University

National Tsing Hua University

Zhejiang University

National Sun Yat-sen University

Institute of Electronics

Chinese Academy of Sciences

National Taiwan University of Science and Technology

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Enhanced early immune response of leptospiral outer membrane protein LipL32 stimulated by narrow band mid-infrared exposure

Journal of Photochemistry and Photobiology B Biology (2019)

Chung-Hung Hong Ming-Ru Tang Shen‐Hsing Hsu Ching-Hsu Yang Chi‐Shin Tseng

10.1016/j.jphotobiol.2019.111560

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Citations (6)

Waveguide resonances with selectable polarization in an infrared thermal emitter

AIP Advances (2017)

Wei-Lun Huang Hui‐Hsin Hsiao Chih-Yu Lin Ming-Ru Tang Si‐Chen Lee

A multi-band infrared thermal emitter with polarized waveguide resonances was investigated. The device is constructed by embedding the metallic grating strips within the resonant cavity of a metal/dielectric/metal (MDM) structure. The proposed arrangement makes it possible to generate waveguide resonances with mutually orthogonal polarization, thereby providing an additional degree of freedom to vary the resonant wavelengths and polarizations in the medium infrared region. The measured reflection spectra and the finite-difference time-domain (FDTD) simulation indicated that the electric fields of the waveguide modes with two orthogonal polarizations are distributed in different regions of the cavity. Resonant wavelengths in different polarizations can be adjusted by altering the period, the metallic line width, or the position of the embedded gold strips. The ratio of the full width at half maximum (FWHM) to the peak wavelength was achieved to be smaller than 0.035. This study demonstrated a multi-band infrared thermal emission featuring a narrow bandwidth and polarization characteristics, which is quite suitable to be applied to the non-dispersive infrared (NDIR) detection system.

Polarizer

Waveguide

10.1063/1.4995017

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Investigation of bond oscillation assisted olfactory perception by exciting the molecular chemical bonds using specific IR wavelengths

AIP Advances (2019)

Wei-Lun Huang Ming-Ru Tang Chung-Hung Hong Si‐Chen Lee

The principle of olfactory perception had been widely studied. The core of the olfactory theory is based on two different mechanisms or the combination of the two. The first is the shape (weak shape) theory that the olfactory receptor only accepts the molecule with a complementary shape (lock to the key). The second is the vibrational theory that electrons on an odor molecule will be able to tunnel to the olfactory receptors quantum mechanically only when they are assisted by the specific bond vibrational energy of the molecules. Previous studies indicated that human subjects can distinguish the difference between the musk odorant molecules and its deuterated counterparts as evidence to advocate the theory. Scientists who refuted the vibration theory studied “musk-recognizing receptor”, OR5AN1 and discovered that these receptors responded strongly and identically to the deuterated and normal musk odorants in the vitro environmental condition albeit they have different vibrational energies. In this paper, a new method is adopted to investigate the bond vibration-assisted olfactory theory. Narrow bandwidth infrared light sources with specific wavelengths were utilized to illuminate and excite molecular bond oscillation of the odorant molecules. By analyzing the experimental results of 23 human subjects. This study also supported the hypothesis of the “spin residual information theory” that the olfactory perception is aroused by the “residual spin information” of infrared photons left near the odor and receptor molecular bonding sites which absorbed or emitted the infrared photons.

10.1063/1.5084270

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Citations (2)

Emission Enhancement in Ag/${\rm SiO}_{2}$/Ag Thermal Emitter by Using a Hexagonal Dimple Array

IEEE Photonics Technology Letters (2013)

Yi-Tsung Chang Yu‐Cheng Chen Ming-Ru Tang Wei-Chun Chi Meng‐Han Tsai

This letter describes the successful fabrication of a novel tri-layer Ag/SiO ₂ /Ag plasmonic thermal emitter with circular and square hole shapes at top silver film arranged in a hexagonal dimple array. The proposed design improves the emission intensity and reduces the full width half maximum. Experimental results indicate that the proposed design increases the emission intensity at 200°C from 30.5 to 42.3 mW/cm ² for the hexagonal circular hole array, as well as increases the same intensity from 43.3 to 79.3 mW/cm ² for the hexagonal square hole array.

Dimple

Intensity

Square (algebra)

10.1109/lpt.2013.2264506

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Novel Flash Memory Cell with a Channel Multi-Gate Transistor

International Semiconductor Device Research Symposium (2006)

W.-C. Wang Yun-Ho Ko Ming-Ru Tang Sungnam Chang

Flash Memory

Non-Volatile Memory

10.1109/isdrs.2005.1595998

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Enhanced Fluorescence of SiO<sub>2</sub> Balls/Ag/Glass Structure Using by Surface Plasmons

Applied Mechanics and Materials (2013)

Yi-Tsung Chang Ming-Ru Tang Wei Tu Yu Chen Cheng Chia Hua Chan

This study describes the absorption, transmission and reflection spectra of Ag/Ti/SiO 2 balls/glass and CHCl3:Alq3/Ag/Ti/SiO 2 balls/glass structures with 200 ~ 650nm SiO 2 balls, respectively. The enhanced fluorescence in a CHCl3:Alq3 (60nm)/Ag (70nm) / Ti (5nm) /SiO 2 balls /glass structure using by surface plasmons when the light was irradiated from the backside was observed. It can be applied to improve bio-plasmonic device, organic light emitting diode and solar cell optical devices efficiency.

Reflection

10.4028/www.scientific.net/amm.448-453.164

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Photoresponse of homostructure WSe2 rectifying diode

AIP Advances (2019)

Tien-Hsin Peng Chung-Hung Hong Ming-Ru Tang Si‐Chen Lee

The WSe2 homostructure rectifying diode is demonstrated, p-type and n-type WSe2 regions were formed by adopting different layer WSe2 thicknesses. Typically, the common way to fabricate two dimensional material based diode is to use heterostructure by stacking two different carrier type and band gap energies materials. However, there is always lattice mismatch at the junction, leading to the degraded photoresponse of the diodes. In order to reduce the problems of heterostructure diode, layer thickness dependent band gap energy of WSe2 is reported and applied to fabricate homostructure diode. The ideality factor of the current-voltage characteristic is 1.64 and the current rectification ratio can reach to 103. The optical properties of the diode, including fill factor 45.7%, responsivity 16.02 mA/W and EQE 3.06% are reported. It is concluded that the WSe2 homojunction diode can be applied in photodetectors, switches, solar cells etc.

Homojunction

Backward diode

Photodiode

Quantum Efficiency

10.1063/1.5115423

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Citations (10)

An Uncooled LWIR-Detector With LSPR Enhancement and Selective Narrow Absorption

IEEE Photonics Technology Letters (2018)

Ming-Ru Tang Hui‐Hsin Hsiao Chung-Hung Hong Wei-Lun Huang Si‐Chen Lee

An uncooled plasmonic infrared photodetector with selective narrow absorption band in long-wave-infrared was demonstrated. The hydrogenated amorphous silicon (a-Si:H) with high temperature coefficient of resistance characteristic was adopted as a detection layer in the plasmonic photodetector. A tri-layer gold/a-Si:H/gold arrangement with metallic gold strip was designed to sustain localized surface plasmon resonances (LSPRs). By altering the metallic linewidth and the dielectric thickness, the LSPRs can be adjusted freely. Therefore, the incoming infrared with specific wavelength corresponding to LSPRs will heat up the cavity directly, leading to the reduction of a-Si:H resistance along the current path and the signal would be detected. The optical and electrical characteristics of the photodetector were studied. The responsivity and perpendicular photoresponse ratio without suspended structure was enhanced by LSP resonances and directly heat up process.

10.1109/lpt.2018.2839650

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Citations (2)

Investigation of Organic Light-Emitting Diodes with Rubrene Doped Into Poly(<I>N</I>-vinylcarbazole) Polymer Host

Materials Focus (2015)

Yi-Tsung Chang Cian-Ci Liou Ming-Ru Tang Yi‐Ting Shih

Rubrene

10.1166/mat.2015.1244

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Methyl Addition and Side-Chain Engineering on XT386 Lead to the Discovery of a 2,4,6-Triaminotoluene-Derived Nucleating Agent for Polypropylene

ACS Applied Polymer Materials (2023)

B. Liu Zhi-Hui Lin Xin Qian Ming-Ru Tang Bi-Hong Chi

N,N′,N″-tripivaloyl-1,3,5-triaminobenzene (XT386) has been proven to be a highly efficient nucleating agent (NA) for polypropylene (PP), though it remains relatively expensive, which hinders its broader adoption. Herein, a methyl addition to benzene and a side-chain engineering strategy on XT386 led to the discovery of N,N′,N″-triacetyl-1,3,5-triaminotoluene (1a) as a very efficient NA for PP. It could raise the crystallization temperature (Tc) of iPP by 10.0 °C at a content not exceeding 1 wt %, reduce haze by 12.3, and increase tensile strength by 4.9 MPa. Refinement of PXRD data revealed that 1a has a c-axis size (∼6.5 Å) similar to PP, which has the ability to form epitaxial matching. Considering that 1a could be made from retired 2,4,6-trinitrotoluene (TNT) by a simple and green procedure of hydrogenation followed by N,N′,N″-triacylation, it will be a very promising NA for PP with good cost performance in the near future.

Polypropylene

Side chain

Elongation

10.1021/acsapm.3c02342

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