تصفح حسب المؤلف "Al Tahtamouni, T. M."
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Ag-doped graphitic carbon nitride photocatalyst with remarkably enhanced photocatalytic activity towards antibiotic in hospital wastewater under solar light
Minh Tri N.L.; Kim J.; Giang B.L.; Al Tahtamouni T.M.; Huong P.T.; Lee C.; Viet N.M.; Quang Trung D.... more authors ... less authors ( Korean Society of Industrial Engineering Chemistry , 2019 , Article)In this study a novel Ag-doped graphitic carbon nitride (g-C3N4) photocatalyst was synthesized and applied as high efficient material under solar light towards emerging antibiotic pollutant in hospital wastewater. The ... -
Current injection 1.54 µm light-emitting devices based on Er-doped GaN/AlGaN multiple quantum wells
Al Tahtamouni, T. M.; Li, J.; Lin, J. Y.; Jiang, H. X. ( OSA - The Optical Society , 2016 , Article)We report on the growth, fabrication and electroluminescence (EL) characteristics of light-emitting diodes (LEDs) based on Er-doped GaN (GaN:Er) and GaN/AlGaN multiple quantum well (MQW:Er) active layers. The LED structures ... -
Elucidating the mechanism for the chemical vapor deposition growth of vertical MoO2/MoS2 flakes toward photoelectrochemical applications
Nam Trung, Tran; Kamand, Fadi Z.; Al tahtamouni, T. M. ( Elsevier B.V. , 2020 , Article)To control the growth of layered two-dimensional transition metal dichalcogenide (TMD) materials or complex structures such as heterostructures, it is important to understand the growth mechanism. In this study, we ... -
Improved photocatalytic decomposition of methyl ethyl ketone gas from indoor air environment by using TiO2/graphene oxide
Minh Tri N.L.; Jitae K.; Van Thuan D.; Thi Huong P.; Al Tahtamouni T.M. ( Institute of Physics Publishing , 2019 , Article)This study investigates the potential application of synthesized TiO2-graphene (Ti/GO) for the decomposition of methyl ethyl ketone (MEKT) in an indoor air environment. XRD and UV-vis studies on the materials confirmed ... -
Improvement of hydrogen production under solar light using cobalt (II) phosphide hydroxide co-doped g-C3N4 photocatalyst
Thang P.Q.; Jitae K.; Nguyen T.D.; Huong P.T.; Viet N.M.; Al Tahtamouni T.M.... more authors ... less authors ( Springer , 2019 , Article)Graphitic carbon nitride (g-C3N4) has been extensively studied as a model of photocatalyst material for water splitting. This study investigates potential of cobalt (II) phosphide hydroxide co-doped g-C3N4 (Co-P/C3N4) for ... -
Influence of TMAl preflow on AlN epitaxy on sapphire
Sun, Haiding; Wu, Feng; Park, Young Jae; Al tahtamouni, T. M.; Li, Kuang-Hui; Alfaraj, Nasir; Detchprohm, Theeradetch; Dupuis, Russell D.; Li, Xiaohang... more authors ... less authors ( American Institute of Physics Inc. , 2017 , Article)The trimethylaluminum (TMAl) preflow process has been widely applied on sapphire substrates prior to growing Al-polar AlN films by metalorganic chemical vapor deposition. However, it has been unclear how the TMAl preflow ... -
Noble metal -doped graphitic carbon nitride photocatalyst for enhancement photocatalytic decomposition of antibiotic pollutant in wastewater under visible light
Viet N.M.; Trung D.Q.; Giang B.L.; Tri N.L.M.; Thao P.; Pham T.H.; Kamand F.Z.; Al Tahtamouni T.M.... more authors ... less authors ( Elsevier Ltd , 2019 , Article)This study the noble metal (Ag)-doped graphitic carbon nitride (g-C3N4) photocatalyst was synthesized via a facial thermal condensation method. The structure and surface elements distribution of synthesized materials were ... -
Novel activation of peroxymonosulfate by biochar derived from rice husk toward oxidation of organic contaminants in wastewater
Huong, Pham Thi; Jitae, Kim; Al Tahtamouni, T. M.; Le Minh Tri, Nguyen; Kim, Hak Hyeon; Cho, Kyung Hwa; Lee, Changha... more authors ... less authors ( Elsevier Ltd , 2020 , Article)In this study, novel activation of peroxymonosulfate (PMS) by biochar derived from rice husk (generally considered useless agricultural wastes in Vietnam) toward organic pollutants from wastewater was investigated. The ... -
Removal of phenolic compounds from wastewaters by using synthesized Fe-nano zeolite
Tri, Nguyen Le Minh; Thang, Phan Quang; Van Tan, Lam; Huong, Pham Thi; Kim, Jitae; Viet, Nguyen Minh; Phuong, Nguyen Minh; Al Tahtamouni, T. M.... more authors ... less authors ( Elsevier Ltd , 2020 , Article)This study investigated the adsorbent feasibility of Fe-nano zeolite (Fe-NZ) for the treatment of phenolic compounds in wastewaters. The maximum adsorption capacities of phenol (Ph), 2-chlorophenol (2-CP) and 2-nitrophenol ... -
Revealing microstructure and dislocation behavior in BAlN/AlGaN heterostructures
Sun, Haiding; Wu, Feng; Park, Young Jae; Al tahtamouni, T. M.; Liao, Che Hao; Guo, Wenzhe; Alfaraj, Nasir; Li, Kuang Hui; Anjum, Dalaver H.; Detchprohm, Theeradetch; Dupuis, Russell D.; Li, Xiaohang... more authors ... less authors ( Japan Society of Applied Physics , 2018 , Article)We reveal the microstructure and dislocation behavior in 20-pair B0.14Al0.86N/Al0.70Ga0.30N multiple-stack heterostructures (MSHs) exhibiting an increasing dislocation density along the c-axis, which is attributed to the ... -
Room-Temperature Lasing Action in GaN Quantum Wells in the Infrared 1.5 ?m Region
Ho V.X.; Al Tahtamouni T.M.; Jiang H.X.; Lin J.Y.; Zavada J.M.; Vinh N.Q.... more authors ... less authors ( American Chemical Society , 2018 , Article)Large-scale optoelectronics integration is strongly limited by the lack of efficient light sources, which could be integrated with the silicon complementary metal-oxide-semiconductor (CMOS) technology. Persistent efforts ... -
Selective flotation separation of ABS/PC from ESR plastic wastes mixtures assisted by ultrasonic catalyst/H2O2
Nguyen T.D.; Al Tahtamouni T.M.; Huong P.T.; Thang P.Q. ( Elsevier Ltd , 2019 , Article)The present study investigated the potential recycles of acrylonitile butadiene styrene terpolymers (ABS) from their blends with polymethylmehtacrylate (PMMA), polyCarbonate (PC) and high impact polyStyrene (HIPS) using ... -
Sputtered manganese oxide thin film on carbon nanotubes sheet as a flexible and binder-free electrode for supercapacitors
Dawoud H.D.; Al Tahtamouni T.; Bensalah N. ( John Wiley and Sons Ltd , 2019 , Article)In this work, flexible carbon nanotubes (CNTs)/manganese oxide (MnO2) composite electrode was fabricated by direct deposition of MnO2 nanoparticles on CNTs sheet by RF magnetron sputtering. The surface morphology and ... -
Telecommunication-wavelength lasing in er-doped gan multiple quantum wells at room temperature
Ho, V. X.; Al Tahtamouni, T. M.; Wang, Y.; Jiang, H. X.; Lin, J. Y.; Zavada, J. M.; Vinh, N. Q.... more authors ... less authors ( OSA - The Optical Society , 2018 , Conference Paper)We report the realization of room-temperature, stimulated-emission in Er-doped-GaN multiple-quantum-wells at the 1.5-µm. Structures were grown by MOCVD and lasing was confirmed by threshold-behaviors of emission-intensity ...