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Huang A, Kan CC, Lo SC, Chen LH, Su DY, Soesanto JF, Hsu CC, Tsai FY, Tung KL. Nanoarchitectured design of porous ZnO@copper membranes enabled by atomic-layer-deposition for oil/water separation. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.03.093] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Liu YC, Chen CY, Lin GS, Chen CH, Wu KCW, Lin CH, Tung KL. Characterization and molecular simulation of Pebax-1657-based mixed matrix membranes incorporating MoS2 nanosheets for carbon dioxide capture enhancement. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2019.04.025] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Jeya Ranchani AA, Parthasarathy V, Hu C, Lin YF, Tung KL, Anbarasan R. Structural modification of aminoclay for catalytic applications. CHEM ENG COMMUN 2019. [DOI: 10.1080/00986445.2019.1630394] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Mahalakshmi S, Alagesan T, Parthasarathy V, Tung KL, Anbarasan R. Crystallization and degradation kinetics studies on Cu-TG functionalized poly(ε-caprolactone) by non-isothermal approach. JOURNAL OF POLYMER RESEARCH 2019. [DOI: 10.1007/s10965-019-1789-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Fukunaga S, Higashi S, Horie T, Sugiyama H, Kanda A, Hsu TY, Tung KL, Taniya K, Nishiyama S, Ohmura N. Effect of geometrical configuration of reactor on a ZrP nano-dispersion process using ultrasonic irradiation. ULTRASONICS SONOCHEMISTRY 2019; 52:157-163. [PMID: 30477794 DOI: 10.1016/j.ultsonch.2018.11.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 08/25/2018] [Accepted: 11/09/2018] [Indexed: 05/14/2023]
Abstract
This study investigated the position of ultrasonic irradiation source and reactor geometry on fragmentation rate of a layered compound, α-zirconium phosphate (α-ZrP). By numerically solving the acoustic pressure distribution using COMSOL Multiphysics®, it is clarified the mechanism whereby the operating factors influenced the α-ZrP dispersion to make a suggestion of guideline of the process design method. Two vessels made of glass with a flat-bottom and a spherical-bottom, respectively, were used. Although the flat-bottom vessel at lower horn position showed the best performance of fragmentation, the region of high acoustic pressure field in the flat bottom vessel sharply narrowed and the transmittance became prominently low. On the other hand, no significant difference of the transmittance value in the spherical bottom vessel between the cases of low and high horn positions could be observed and the spherical bottom vessel was robust for the horn position. These results suggest that not only the magnitude of acoustic pressure but also the size of high acoustic pressure region is also an important factor and a spherical bottom vessel is one of suitable shape which gives large size of high acoustic pressure region regardless of the horn position.
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Tsai HY, Huang A, soesanto JF, Luo YL, Hsu TY, Chen CH, Hwang KJ, Ho CD, Tung KL. 3D printing design of turbulence promoters in a cross-flow microfiltration system for fine particles removal. J Memb Sci 2019. [DOI: 10.1016/j.memsci.2018.11.081] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chen YJ, Chen YR, Chiang CH, Tung KL, Yeh TK, Tuan HY. Monodisperse ordered indium-palladium nanoparticles: synthesis and role of indium for boosting superior electrocatalytic activity for ethanol oxidation reaction. NANOSCALE 2019; 11:3336-3343. [PMID: 30724949 DOI: 10.1039/c8nr07342b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The slow kinetics of ethanol oxidation reaction (EOR) has limited its widespread use for fuel cells. Bimetallic catalysts with optimized surface compositions can considerably govern rate-determining steps through selectivity for CH3COOH formation or by facilitating the adsorption of OHadsvia the bifunctional effect of an alloy to increase the EOR's kinetic rates. Here, we reported monodisperse ordered In-Pd nanoparticles as new bimetallic high-performance catalysts for EOR. In-Pd nanoparticles, i.e., In3Pd2 and In3Pd5 were prepared using arrested precipitation in solution, and their composition, structures, phase and crystallinity were confirmed using a variety of analyses including TEM, XPS, EDS and XRD. In-Pd nanoparticles were loaded on carbon black (Vulcan XC-72) as electrocatalysts for EOR in alkaline media. In3Pd2 and In3Pd5 nanoparticles exhibited 5.8 times and 4.0 times higher mass activities than commercial Pd/C, which showed that the presence of indium greatly boosts electrocatalytic reactivity for EOR of Pd catalysts. This performance is the best among those of bimetallic nanoparticles reported to date. Such high performance of In-Pd nanoparticles may be attributed to the following two reasons. First, In-Pd nanoparticles exhibited excellent CO anti-poison ability, as confirmed by CO striping experiments. Second, as revealed by DFT calculations of metals with OHads adsorption, In atoms on In3Pd2 surface exhibited the lowest energy (-1.659 eV) for OHads adsorption as compared to other common oxophilic metals including Sn, SnPt, Ag, Ge, Co, Pb, and Cu. We propose that the presence of indium sites promoted efficient free OH radical adsorption on indium sites and resulted in a faster reaction rate of acetate formation from acetaldehyde (the rate determining step for EOR on Pd sites). Finally, a single direct ethanol fuel cell (DEFC) with Pd/C anode was prepared. Compared to the results for a commercial Pd/C anode, the open circuit voltage (OCV) of In3Pd2/C improved by 0.25 V (from 0.64 to 0.89 V) and the power density improved by ∼80% (from 3.7 to 6.7 mW cm-2), demonstrating its practical uses as Pt or Pd catalyst alternatives for DEFC.
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Hu C, Huang HX, Lin YF, Tung KL, Chen TH, Lo L. Heterostructural design of I-deficient BiOI for photocatalytic decoloration and catalytic CO2 conversion. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00663j] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
I− vacancies in BiOI play a major role in governing the photocatalysis and catalysis.
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Jana KK, Lue SJ, Huang A, Soesanto JF, Tung KL. Separator Membranes for High Energy-Density Batteries. CHEMBIOENG REVIEWS 2018. [DOI: 10.1002/cben.201800014] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Meenarathi B, Jeyaselvi J, Sowmiya S, Tung KL, Anbarasan R. Synthesis, characterization and drug release activity of poly(epichlorohydrin-g-furosemide) system. CHEMICAL PAPERS 2018. [DOI: 10.1007/s11696-018-0507-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Huang A, Chen LH, Kan CC, Hsu TY, Wu SE, Jana KK, Tung KL. Fabrication of zinc oxide nanostructure coated membranes for efficient oil/water separation. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.09.007] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Chen LH, Chen YR, Huang A, Chen CH, Su DY, Hsu CC, Tsai FY, Tung KL. Nanostructure depositions on alumina hollow fiber membranes for enhanced wetting resistance during membrane distillation. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.07.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Jeyaraman P, Jeyabala D, Meenarathi B, Tung KL, Anbarasan R. Synthesis, characterization, and drug release activity of structurally modified poly(vinyl alcohol). J Appl Polym Sci 2018. [DOI: 10.1002/app.46620] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Lin YF, Lin YJ, Lee CC, Lin KYA, Chung TW, Tung KL. Synthesis of mechanically robust epoxy cross-linked silica aerogel membranes for CO 2 capture. J Taiwan Inst Chem Eng 2018. [DOI: 10.1016/j.jtice.2018.03.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Chen YR, Chen LH, Chen CH, Ko CC, Huang A, Li CL, Chuang CJ, Tung KL. Hydrophobic alumina hollow fiber membranes for sucrose concentration by vacuum membrane distillation. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.03.048] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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41
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Anbarasan R, Palanikumar S, Anitha Devi A, Chen PH, Tung KL. Synthesis, characterization and application of superhydrophobic low-cost Cu and Al nanoparticles. INTERNATIONAL NANO LETTERS 2018. [DOI: 10.1007/s40089-018-0239-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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42
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Tung KL, Cheng TW, Van der Bruggen B, Lee DJ. Editorial of SI: Filtering a better future. Sep Purif Technol 2018. [DOI: 10.1016/j.seppur.2018.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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43
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Huang A, Chen LH, Chen CH, Tsai HY, Tung KL. Carbon dioxide capture using an omniphobic membrane for a gas-liquid contacting process. J Memb Sci 2018. [DOI: 10.1016/j.memsci.2018.03.089] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Anbarasan R, Jeyapriya M, Meenarathi B, Tung KL. Low temperature splinting activity and catalytic behavior of nano Ag doped sulphamicacid bridged diblock copolymer. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4310] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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45
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Ponprapakaran K, Harihara Subramani R, Baskaran R, Tung KL, Anbarasan R. Synthesis, spectral analysis, and catalytic activity of poly(aniline- co
-congored)-metal oxide nanocomposites. J Appl Polym Sci 2018. [DOI: 10.1002/app.46469] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Hsu PY, Hu TY, Kumar SR, Chang CH, Wu KCW, Tung KL, Lue SJ. Highly Zeolite-Loaded Polyvinyl Alcohol Composite Membranes for Alkaline Fuel-Cell Electrolytes. Polymers (Basel) 2018; 10:E102. [PMID: 30966138 PMCID: PMC6415070 DOI: 10.3390/polym10010102] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 01/17/2018] [Accepted: 01/18/2018] [Indexed: 11/17/2022] Open
Abstract
Having a secure and stable energy supply is a top priority for the global community. Fuel-cell technology is recognized as a promising electrical energy generation system for the twenty-first century. Polyvinyl alcohol/zeolitic imidazolate framework-8 (PVA/ZIF-8) composite membranes were successfully prepared in this work from direct ZIF-8 suspension solution (0⁻45.4 wt %) and PVA mixing to prevent filler aggregation for direct methanol alkaline fuel cells (DMAFCs). The ZIF-8 fillers were chosen for the appropriate cavity size as a screening aid to allow water and suppress methanol transport. Increased ionic conductivities and suppressed methanol permeabilities were achieved for the PVA/40.5% ZIF-8 composites, compared to other samples. A high power density of 173.2 mW cm-2 was achieved using a KOH-doped PVA/40.5% ZIF-8 membrane in a DMAFC at 60 °C with 1⁻2 mg cm-2 catalyst loads. As the filler content was raised beyond 45.4 wt %, adverse effects resulted and the DMAFC performance (144.9 mW cm-2) was not improved further. Therefore, the optimal ZIF-8 content was approximately 40.5 wt % in the polymeric matrix. The specific power output was higher (58 mW mg-1) than most membranes reported in the literature (3⁻18 mW mg-1).
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Hu C, Su TR, Lin TJ, Chang CW, Tung KL. Yellowish and blue luminescent graphene oxide quantum dots prepared via a microwave-assisted hydrothermal route using H2O2 and KMnO4 as oxidizing agents. NEW J CHEM 2018. [DOI: 10.1039/c7nj03337k] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Microwave-assisted hydrothermal synthesized GOQDs exhibit yellowish-green and blue light emission with quantum yields of 15.1% and 8.4%, respectively.
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Chen TH, Chen YR, Chen LH, Chang KS, Lin YF, Tung KL. Exploration of the nanostructures and separation properties of cross-linked mixed matrix membranes using multiscale modeling. J Memb Sci 2017. [DOI: 10.1016/j.memsci.2017.08.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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49
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Wang HY, Tung KL, Ward JD. Design and economic analysis of membrane-assisted crystallization processes. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.09.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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50
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Tsai JH, Macedonio F, Drioli E, Giorno L, Chou CY, Hu FC, Li CL, Chuang CJ, Tung KL. Membrane-based zero liquid discharge: Myth or reality? J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.06.050] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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