Ditapis dengan
Semiconducting properties of cup-stacked carbon nanotubes
Abstract. The current–voltage characteristics of individual cup-stacked carbon nanotubes (CSCNTs) were investigated in situ inside the transmission electron microscope. Different from other quasi-1D carbon structures such as multi-walled carbon nanotubes, carbon nanofibers or graphitic fibers that normally behave as a metallic conductor of electrons, individual CSCNTs were found to exhib…
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- C A R B O N 4 7 ( 2 0 0 9 ) 7 3 1 –7 3 6
- Judul Seri
- C A R B O N
- No. Panggil
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Phosphate immobilization from aqueous solution by fly ashes in relation to th…
Abstract. Phosphate sorption capacities of 15 Chinese fly ashes were determined and related to their composition. The data of P sorption were best fitted to Langmuir equation, and the calculated sorption maxima of phosphate (Qm) ranged from 5.51 to 42.55 mg/g. The Qm value showed a significantly positive correlation with total Ca content (r = 0.9836**) and total Fe content (r = 0.8049**), but …
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- Deskripsi Fisik
- Journal of Hazardous Materials B139 (2007) 293–300
- Judul Seri
- Journal of Hazardous Materials B
- No. Panggil
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Effects of surface wettability and roughness of microchannel on flow behavior…
Abstract. The flow characteristics of monodisperse thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) microspheres during the phase transition in microchannels with different surface wettabilities and roughnesses are investigated systematically. Glass microchannels are modified by hydroxylation treatment to achieve hydrophilic surface, by self-assembly of chlorotrimethylsilane to realiz…
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- Journal of Colloid and Interface Science 336 (2009) 162–170
- Judul Seri
- Journal of Colloid and Interface Science
- No. Panggil
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Drastically enhanced photocatalytic activity in nitrogen doped mesoporous TiO…
Abstract. Nitrogen doped mesoporous TiO2 was prepared via a modified two-step hydrothermal route. In contrast to undoped mesoporous TiO2, nitrogen doped mesoporous TiO2 has superior photocatalytic activity under both UV and visible light irradiation. Photoluminescence spectra reveal that nitrogen doped mesoporous TiO2 possesses abundant surface states, which can play a vital role in trappin…
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- Journal of Colloid and Interface Science 334 (2009) 171–175
- Judul Seri
- Journal of Colloid and Interface Science
- No. Panggil
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Preparation of honeycomb scaffold with hierarchical porous structures by core…
Abstract. The preparation of honeycomb scaffold with hierarchical controllable porous structures is reported. The ABA three block amphiphilic copolymer PS-b-P(St-Alt-AMn)-b-PS was synthesized through reversible addition fragmentation chain transfer polymerization (RAFT) and subsequently self-assembled to core– corona nanoparticles with the middle block P(St-Alt-AMn) as the core and two si…
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- Deskripsi Fisik
- Journal of Colloid and Interface Science 332 (2009) 165–172
- Judul Seri
- Journal of Colloid and Interface Science
- No. Panggil
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The role of crystal phase in determining photocatalytic activity of nitrogen …
Abstract. Two series of nitrogen doped TiO2 samples with different ratios of anatase to rutile phases were prepared by milling the mixture of P25 TiO2 and C6H12N4 in air and gaseous NH3 atmosphere, respectively. Compared to air, NH3 atmosphere plays an important role in delaying the crystallite transformation from anatase to rutile in the mechanochemical reaction of TiO2 and C6H12N4. In con…
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- Journal of Colloid and Interface Science 329 (2009) 331–338
- Judul Seri
- Journal of Colloid and Interface Science
- No. Panggil
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Fabrication of sandwich-structured ZnO/reduced graphite oxide composite and i…
Abstract ZnO/RGO (ZnO/Reduced Graphite Oxide) composites with sandwich structure (layered structure) were synthesized at relatively low temperature (60 C) using ZnSO4 and GO (Graphite Oxide) as precursors. Compared with pure ZnO, ZnO/RGO composites showed greatly enhanced-UV photocatalytic activity for the degradation of the organic dye methyl orange (MO). The structure and morphology of as-…
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- J Mater Sci (2010) 45:953–960
- Judul Seri
- Journal of Materials Science
- No. Panggil
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Influence of Support Preparation Methods on Structure and Catalytic Activity …
Abstract TiO2-SiO2 supports were prepared by various methods including precipitation, impregnation, hydrolysisreflux and sol–gel, and then cobalt was impregnated on those supports. The properties of various catalysts were characterized by N2 physisorption, XRD, XPS and TPR. The introduction of TiO2 led to stronger Co-support interaction, accompanying with the variation of dispersion and …
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- Catal Lett (2009) 133:341–345
- Judul Seri
- Catalysis Letter
- No. Panggil
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Long wavelength emissions of periodic yard-glass shaped boron nitride nanotubes
Extraordinary and stable long wavelength emission centered at 685 nm from the yard-glass shaped boron nitride nanotubes YG-BNNTs was observed in their cathodoluminescence and photoluminescence spectroscopy. The mechanism for this near-red light emission at 685 nm is attributed to the periodical nature of the BNNT units with regular lattice defects. The visible-light emission from YG-B…
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- Deskripsi Fisik
- Appl. Phys. Lett. 94, 023105 (2009)
- Judul Seri
- APPLIED PHYSICS LETTERS
- No. Panggil
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Self-Supported Catalysts
Application of functionalized coordination polymers as self-supported catalysts in heterogeneous catalytic reactions is an emerging area of research and has met with some notable success. The molecular building units of the catalysts are tailorable in nature, allowing for systematic engineering of the catalytic performance. The catalysts have demonstrated high efficiency and/or excellent select…
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- Deskripsi Fisik
- Chem. Rev. 2009, 109, 322–359
- Judul Seri
- Chemical Reviews
- No. Panggil
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