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| 1 | Transparent flexible thin-film p-n junction thermoelectric module显示文摘Transparent and flexible thermoelectrics has been highly sought after for future wearable devices.However,the main stumbling block to prevent its widespread adoption is the lack of p-type transparent thermoelectrics and the stringent criteria of electrical and thermal properties matching appropriately between p-legs and n-legs.This work demonstrates the fabrication of p-type PEDOT:PSS films whose optical properties,electrical conductivity,thermal conductivity,and Seebeck coefficient were engineered to perfectly match the n-type indium tin oxide(ITO)counterparts.The dense p-type PEDOT:PSS and n-type ITO thin films show a thermoelectric figure of merit of zT=0.30 and 0.29 at 450 K,and a thermal conductivity of 0.22 and 0.32 W m^(−1) K^(−1),respectively.A flexible thermoelectric generator(TEG)module with a high transmittance of>81%in the visible wavelength range of 400-800 nm is fabricated using 10 pairs of p-type PEDOT:PSS and n-type ITO thin film legs.An ultra-high power density of 22.2 W m^(−2) at a temperature gradient of 80 K was observed,which is the highest power density reported for organic/hybrid-based flexible TEGs so far.Our transparent flexible thin-film p-n junction thermoelectric module with exceptionally high power generation may take a tremendous step forward towards multi-functional wearable devices. | Xizu Wang Ady Suwardi Siew Lay Lim Fengxia Wei Jianwei Xu | 2020 | npj Flexible Electronics2020，4，1： | 2 |
| 2 | Simultaneous thermal analysis of hexahydrophtalic anhydride显示文摘 | John H Suwardie R Artiaga F Barbadillo | 2002 | Thermochimica Acta2002，，： | 1 |
| 3 | Determination of acetaminophen ' s solubility in poly(ethylene oxide) by rheological, thermal and microscopic method, s显示文摘 | YANG M WANG P SUWARDIE H | 2011 | International Journal of Pharmaceutics2011，403，： | 1 |
| 4 | Rheological study of the mixture of acetaminophen and polyethylene oxide for hot-melt extrusion application显示文摘 | SUWARDIE H WANG PENG TODD D B | 2011 | Eur J Pharm Biopharm2011，78，3： | 1 |
| 5 | Thermal characterization of a Ni-based superalloy 显示文摘 | SUWARDIE J H ARTIAGA R MIER J L | 2002 | Thermochimica Acta2002，，： | 1 |
| 6 | Capillary flow behaviors of microcrystalline wax and silicon carbide suspension显示文摘 | Suwardie H Yazicl R Kalyon D M | 1998 | J Mater Sci1998，33，： | 1 |
| 7 | Thermochimica Acta显示文摘 | Suwardie J H Artiaga R Mier J L | 2002 | 295:3922002，295，： | 1 |
| 8 | Bottom-Up Engineering Strategies for High-Performance Thermoelectric Materials显示文摘The recent advancements in thermoelectric materials are largely credited to two factors,namely established physical theories and advanced materials engineering methods.The developments in the physical theories have come a long way from the“phonon glass electron crystal”paradigm to the more recent band convergence and nanostructuring,which consequently results in drastic improvement in the thermoelectric figure of merit value.On the other hand,the progresses in materials fabrication methods and processing technologies have enabled the discovery of new physical mechanisms,hence further facilitating the emergence of high-performance thermoelectric materials.In recent years,many comprehensive review articles are focused on various aspects of thermoelectrics ranging from thermoelectric materials,physical mechanisms and materials process techniques in particular with emphasis on solid state reactions.While bottom-up approaches to obtain thermoelectric materials have widely been employed in thermoelectrics,comprehensive reviews on summarizing such methods are still rare.In this review,we will outline a variety of bottom-up strategies for preparing high-performance thermoelectric materials.In addition,state-of-art,challenges and future opportunities in this domain will be commented. | Qiang Zhu Suxi Wang Xizu Wang Ady Suwardi Ming Hui Chua Xiang Yun Debbie Soo Jianwei Xu | 2021 | Nano-Micro Letters2021，13，8： | 1 |
| 9 | Thermal behavior and curing kinetics of poly(carbosilane) 显示文摘 | Suwardie H Kalyon D M Kovenklioglu S | 1991 | JAppl Polym Sci1991，42，： | 1 |
| 10 | Enhanced near-room-temperature thermoelectric performance in GeTe显示文摘GeTe is an excellent mid-temperature thermoelectric material with high dimensionless figure of merit(ZT)values at temperatures over 600 K.Its near-room-temperature performance is less studied due to the intrinsic high carrier concentration.Here,we successfully enhance the Seebeck coefficient of GeTe from~30 to 220μV·K^(−1) at 300 K,which is achieved by AgInSe2 alloying and Bi doping.It is demonstrated that Bi doping helps to optimize the Seebeck coefficient without deteriorating the intrinsic electrical transport properties of the matrix.A high room-temperature power factor(PF)of~11μW·cm^(−1)·K^(−2) is achieved for a wide range of Bi-doped samples.The simultaneously introduced abundant point defects cause mass and strain fluctuations,which decrease the lattice thermal conductivity(κ_(L))to a low value of 0.6 W·m^(−1)·K^(−1) at 300 K.Due to the synergetic effects of Bi doping in AgInSe2-alloyed GeTe,a high room-temperature ZT value of 0.46 is obtained together with a high ZT value of 1.1 at 523 K. | Xian Yi Tan Jin-Feng Dong Ning Jia Hong-Xia Zhang Rong Ji Ady Suwardi Zhi-Liang Li Qiang Zhu Jian-Wei Xu Qing-Yu Yan | 2022 | Rare Metals2022，41，9： | 0 |
| 11 | Texture Engineering to Boost the Thermoelectric Properties显示文摘A round 60% of useful energy is wasted in industry, homes, or transportation. Therefore, there has been increasing attention on thermoelectric materials for their ability to harvest waste heat into useful energy. The efficiency of a thermoelectric material depends on its electrical conductivity, Seebeck coefficient, and thermal conductivity in a conflicting manner which results in efficiency optimization challenges. Single crystals and polycrystalline layered materials have comparatively better thermoelectric and mechanical properties in a certain direction. Texture engineering is a special strategy that allows the exploitation of superior material properties in a specific direction. Texturing could be achieved by various sintering and deformation methods, which yield defects improving thermoelectric and mechanical properties. The results show that for(Bi,Sb)_(2)Te_(3), Bi_(2)(Se,Te)_(3), C uSbSe_(2), and SnSe, significant enhancement in the thermoelectric figure of merit is achieved by enhancing the preferred orientation. Texture engineering provides a wide range of strategies to elevate the zT of anisotropic materials to values comparable to those of their single crystalline counterparts. | Kivanc Saglik Xianyi Tan Ady Suwardi Alex Qingyu Yan | 2023 | Transactions of Tianjin University2023，29，3： | 0 |
| 12 | Thermal and Electrical Properties of Liquid Metal Gallium During Phase Transition显示文摘Liquid metal gallium has been widely used in numerous fields, from nuclear engineering, catalysts, and energy storage to electronics owing to its remarkable thermal and electrical properties along with low viscosity and nontoxicity. Compared with high-temperature liquid metals, room-temperature liquid metals, such as gallium(Ga), are emerging as promising alternatives for fabricating advanced energy storage devices, such as phase change materials, by harvesting the advantageous properties of their liquid state maintained without external energy input. However, the thermal and electrical properties of liquid metals at the phase transition are rather poorly studied, limiting their practical applications. In this study, we reported on the physical properties of the solid–liquid phase transition of Ga using a custom-designed, solid–liquid electrical and thermal measurement system. We observed that the electrical conductivity of Ga progressively decreases with an increase in temperature. However, the Seebeck coefficient of Ga increases from 0.2 to 2.1 μV/K, and thermal conductivity from 7.6 to 33 W/(K·m). These electrical and thermal properties of Ga at solid–liquid phase transition would be useful for practical applications. | Xizu Wang Durga Venkata Maheswar Repaka Ady Suwardi Qiang Zhu Jing Wu Jianwei Xu | 2023 | Transactions of Tianjin University2023，29，3： | 0 |
| 13 | The Efficacy of Plant-Based Ionizers in Removing Aerosol for COVID-19 Mitigation显示文摘Small-sized droplets/aerosol transmission is one of the factors responsible for the spread of COVID-19,in addition to large droplets and surface contamination(fomites).While large droplets and surface contamination can be relatively easier to deal with(i.e.,using mask and proper hygiene measures),aerosol presents a different challenge due to their ability to remain airborne for a long time.This calls for mitigation solutions that can rapidly eliminate the airborne aerosol.Pre-COVID-19,air ionizers have been touted as effective tools to eliminate small particulates.In this work,we sought to evaluate the efficacy of a novel plant-based ionizer in eliminating aerosol.It was found that factors such as the ion concentration,humidity,and ventilation can drastically affect the efficacy of aerosol removal.The aerosol removal rate was quantified in terms of ACH(air changes per hour)and CADR-(clean air delivery rate-)equivalent unit,with ACH as high as 12 and CADR as high as 141 ft^(3)/minute being achieved by a plant-based ionizer in a small isolated room.This work provides an important and timely guidance on the effective deployment of ionizers in minimizing the risk of COVID-19 spread via airborne aerosol,especially in a poorly-ventilated environment. | Ady Suwardi Chin Chun Ooi Dan Daniel Chee Kiang Ivan Tan Hongying Li Ou Yang Zhong Liang Yuanting Karen Tang Jing Yee Chee Anton Sadovoy Shu-Ye Jiang Srinivasan Ramachandran Enyi Ye Chang Wei Kang Wun Chet Davy Cheong Keng Hui Lim Xian Jun Loh | 2021 | Research2021，，1： | 0 |
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