Carl Osby M. Mariano

Hexagonal BN membranes formation by liquid-phase synthesis: Insights from scanning transmission x-ray microscopy

Carl Osby M. Mariano, Kuan‐Hung Chen, Jessie Shiue, Hayato Yuzawa et autres

Our electrochemical approach to fabricating two-dimensional flakes and creating ordered stacks of hexagonal BN (hBN) primarily enhances the synthesis flexibility and expands their applications in the aqueous phase. Using a simple cyclic voltammetry (CV) method, freestanding hBN membranes can be formed on …

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Operando X-ray and Mass Spectroscopy of Reduced Graphene Oxide ( rGO )-Mediated Cobalt Catalysts for Boosting the Hydrogen Evolution Reaction

Carl Osby M. Mariano, Russell Hizon Clemente, Meng-Hsuan Tsai, Yi‐Ying Chin et autres

Inserting underlying reduced graphene oxide ( rGO ) into Co aims to regulate the chemical integrity and catalytic ability of the Co upper layer for hydrogen evolution reaction (HER) as a green-hydrogen goal. Principally, an mass spectrometer indicates 3.8 times more considerable …

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Ferromagnetic single-atom spin catalyst for boosting water splitting

Tao Sun, Zhiyuan Tang, Wenjie Zang, Zejun Li et autres

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Scanning transmission X-ray microscopy of hydrogen evolution electrocatalysts on reduction graphene oxide membranes

Carl Osby M. Mariano, Jan Sebastian Dominic Rodriguez, Russell Hizon Clemente, Takuji Ohigashi et autres

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High-Performance NaK2Li[Li3SiO4]4:Eu Green Phosphor for Backlighting Light-Emitting Diodes

Mu‐Huai Fang, Carl Osby M. Mariano, Kuan‐Chun Chen, Jiacheng Lin et autres

Narrowband green phosphors with high quantum efficiency are required for backlighting white light-emitting diode (WLED) devices. Materials from the A[Li 3 SiO 4 ] 4:Eu 2+ family have recently been proposed as having superior properties to industry-standard β-SiAlON green phosphors. Here, we …

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Thermally Stable and Deep Red Luminescence of Sr1–xBax[Mg2Al2N4]:Eu2+ (x = 0–1) Phosphors for Solid State and Agricultural Lighting Applications

Julius L. Leaño, Carl Osby M. Mariano, Wen‐Tse Huang, Sebastian Mahlik et autres

The systematic substitution of Ba in the Sr site of Sr[Mg 2 Al 2 N 4 ]:Eu 2+ generates a deep-red-emitting phosphor with enhanced thermal luminescence properties. Gas pressure sintering (GPS) of all-nitride starting materials in Molybdenum (Mo) crucibles yields pure-phase red-orange-colored …

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Cuboid-Size-Controlled Color-Tunable Eu-Doped Alkali–Lithosilicate Phosphors

Mu‐Huai Fang, Carl Osby M. Mariano, Po-Yen Chen, Shu‐Fen Hu et autres

Research on light-emitting diodes has considerably progressed over the years, so they are expected to possess excellent color rendition and high luminescent intensity. Cuboid-based red-nitride phosphors are highly promising because they are characterized by a narrow-band emission property, low energy waste, and …

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