Ditapis dengan
A novel hybrid manganese dioxide/activated carbon supercapacitor using lithiu…
Abstract We present here a novel hybrid nano-structured manganese dioxide/activated carbon supercapacitor with lithium hydroxide electrolyte, in which the MnO2 positive material was prepared using a solid-state reaction route. The electrochemical behaviors of MnO2 electrodes in 1 M LiOH and 1M KOH electrolytes, respectively, were characterized by cyclic voltammetry and electrochemical impedanc…
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- Deskripsi Fisik
- Electrochemistry Communications 8 (2006) 1173–1178
- Judul Seri
- Electrochemistry Communications
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A new asymmetric supercapacitor based on λ-MnO2 and activated carbon electrodes
A B S T R A C T Lithium-ion intercalated compound λ-MnO2 was used as positive electrode in asymmetric supercapacitor with activated carbon used as negative electrode in 1 mol L−1 Li2SO4 aqueous electrolyte solution. Phase composition, morphology and particle sizes of λ-MnO2 were studied by powder X-ray diffraction (XRD) and scanning electron microscopy (SEM). Electrochemical capacitive …
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- Materials Letters 62 (2008) 3884–3886
- Judul Seri
- Materials Letters
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Hexanedioic acid mediated surface–ligand-exchange process for transferring …
Abstract. Water-soluble and carboxyl-functionalized up-converting rare-earth nanoparticles (UCNPs) are obtained via an efficient surface–ligand-exchange procedure. Hexanedioic acid molecules are employed to replace the original hydrophobic ligands in diethylene glycol solvent at high temperature. Various characterizations indicate the ligand-exchange process has negligible adverse effect …
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- Journal of Colloid and Interface Science 336 (2009) 171–175
- Judul Seri
- Journal of Colloid and Interface Science
- No. Panggil
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Zinc oxide nanoparticles/glucose oxidase photoelectrochemical system for the …
Abstract. Nanosized semiconductor crystals can increase efficiency of photochemical reactions and greatly improve the catalytic activity of enzymes to generate novel photoelectrochemical systems. In this work, glucose oxidase (GOx)/zinc oxide (ZnO) is selected as a model system to assess the photovoltaic effect of semiconductor nanoparticles on the enzyme electrode. UV-spectrum and circular…
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- Journal of Colloid and Interface Science 334 (2009) 183–187
- Judul Seri
- Journal of Colloid and Interface Science
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Synthesis of high-activity TiO2 photocatalyst via environmentally friendly an…
Abstract. This work focused on the synthesis of high-activity titania photocatalysts through an environmentally friendly and novel process. A high energy-efficient microwave-assisted hydrothermal method was employed to prepare TiO2 from commercially available K2Ti4O9 particles without using any organic species. The obtained titania consisted of small particles around 5 nm in diameter and hi…
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- Applied Catalysis B: Environmental 89 (2009) 118–122
- Judul Seri
- Applied Catalysis B: Environmental
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Lack of dependence of the Raman frequency of optical vibrational modes on exc…
A lack of dependence of the Raman frequency of optical vibrational modes on excitation wavelength in polar nanosemiconductors was observed. This is in contrast to the earlier observed dependence in nonpolar nanomaterials: carbon nanotubes and Si nanowires. This difference has been ascribed to the different crystallographic natures of their Raman spectra: crystalline for nonpolar and amorpho…
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- Appl. Phys. Lett. 89, 063112 (2006)
- Judul Seri
- APPLIED PHYSICS LETTERS
- No. Panggil
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Lethal and sublethal effects of cantharidin on the life history traits and po…
BACKGROUND: The cotton bollworm, Helicoverpa armigera (H ¨ ubner), is a serious and cosmopolitan pest of many economic crops. Its control has not been adequate owing to its resistance to many groups of insecticides. Toxicity of cantharidin on armyworm and diamondback moth has already been reported. However, its toxicity on H. armigera has not been investigated previously. In this study, lethal…
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- Pest Manag Sci 2014; 70: 39–45
- Judul Seri
- Pest Manag Sci
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