Search Results - "MacLennan, Aimee"

Understanding of the effect of synthesis temperature on the crystallization and activity of nano-MoS2 catalyst by Zhang, Haiping, Lin, Hongfei, Zheng, Ying, Hu, Yongfeng, MacLennan, Aimee

“…•Hydrothermal synthesis of MoS2 is affected by initial and synthesis temperature.•Higher initial temperature favors the combination of nuclei route.•Lower…”
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Electronic structure and optical luminescence studies of Ru based OLED compounds by Hu, Yongfeng, Maclennan, Aimee, Sham, T.K.

“…X-ray absorption near edge structure (XANES), together with X-ray excited optical luminescence (XEOL) techniques, has been used to investigate the electronic…”
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Medium‐energy microprobe station at the SXRMB of the CLS by Xiao, Qunfeng, Maclennan, Aimee, Hu, Yongfeng, Hackett, Mark, Leinweber, Peter, Sham, Tsun-Kong

“…Micro‐XAFS and chemical imaging techniques have been widely applied for studies of heterogeneously distributed systems, mostly in hard X‐ray (>5 keV) or in…”
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Effect of Phosphorus on the Activity and Stability of Supported Cobalt Catalysts for Fischer‐Tropsch Synthesis by Martinelli, Michela, Kumaran Gnanamani, Muthu, Hopps, Shelley D., Sparks, Dennis E., MacLennan, Aimee, Hu, Yongfeng, Davis, Burtron H., Jacobs, Gary

“…Phosphorus promotion on Fischer‐Tropsch (FT) synthesis was investigated for Co/Al2O3 and Co/SiO2 catalysts having the same Co/P ratio. When P is added to…”
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Porous waxberry-like MnO2/La2O3 microspheres for high performance asymmetric supercapacitor by Li, Yu, Guan, Bing, Maclennan, Aimee, Hu, Yongfeng, Li, Dandan, Zhao, Jing, Wang, Yaqiong, Zhang, Huaihao

“…The porous waxberry-like Mn-La10 microspheres were synthesized via a facile two-pot hydrothermal method. Electrochemical measurements showed that Mn-La10…”
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Investigation of solvation effects on iron(II) and iron(III) salt solutions by X-ray absorption spectroscopy by Maclennan, Aimee, Hu, Yongfeng

“…The effects of solvation on iron salts has been studied by in situ X-ray absorption spectroscopy (XAS). It was seen that the solvated iron is significantly…”
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Ultrahigh Mass Activity for Carbon Dioxide Reduction Enabled by Gold–Iron Core–Shell Nanoparticles by Sun, Kun, Cheng, Tao, Wu, Lina, Hu, Yongfeng, Zhou, Jigang, Maclennan, Aimee, Jiang, Zhaohua, Gao, Yunzhi, Goddard, William A, Wang, Zhijiang

“…Wide application of carbon dioxide (CO2) electrochemical energy storage requires catalysts with high mass activity. Alloy catalysts can achieve superior…”
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Investigation of solvation effects on iron by Maclennan, Aimee, Hu, Yongfeng

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Investigation of solvation effects on iron salt solutions by X-ray absorption spectroscopy by Maclennan, Aimee, Hu, Yongfeng

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One-Step Alkylation of Benzene with Syngas over Non-Noble Catalysts Mixed with Modified HZSM‑5 by Yang, Fan, Fang, Yuehua, Liu, Xiangyu, Liu, Xiaohui, Muir, David, Maclennan, Aimee, Zhu, Xuedong

“…para-Xylene is an important chemical for industry. In this work, alkylation of benzene with syngas (ABS) is carried out to prepare toluene and xylene over…”
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Increased coercivity for Nd-Fe-B melt spun ribbons with 20 at.% Ce addition: The role of compositional fluctuation and Ce valence state by Yang, MuNan, Wang, Hang, Hu, YongFeng, Yang, LiuYiMei, Maclennan, Aimee, Yang, Bin

“…It is conventionally accepted that cerium can weaken the magnetic behavior of the Nd-Fe-B magnets. In the present work, however, it is found that the…”
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Comparative evaluation for catalytic gasification of petroleum coke and asphaltene in subcritical and supercritical water by Rana, Rachita, Nanda, Sonil, Maclennan, Aimee, Hu, Yongfeng, Kozinski, Janusz A., Dalai, Ajay K.

“…Subcritical and supercritical water gasification of petroleum coke and asphaltene was performed at variable temperatures (350–650  °C), feed concentrations…”
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Biological soil crusts of temperate forests: Their role in P cycling by Baumann, Karen, Glaser, Karin, Mutz, Jan-Erik, Karsten, Ulf, MacLennan, Aimee, Hu, Yongfeng, Michalik, Dirk, Kruse, Jens, Eckhardt, Kai-Uwe, Schall, Peter, Leinweber, Peter

“…To elucidate the ecological role of biological soil crusts (BSCs) in the P-cycle and to disclose vegetation (pine vs. beech), soil horizon (A horizon vs. C…”
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Selectivity control of Cu promoted iron-based Fischer-Tropsch catalyst by tuning the oxidation state of Cu to mimic K by Pendyala, Venkat Ramana Rao, Jacobs, Gary, Gnanamani, Muthu Kumaran, Hu, Yongfeng, MacLennan, Aimee, Davis, Burtron H.

“…•Extent of Fe carburization was higher with CO versus syngas activation.•The CO activated catalyst was more active than the syngas activated catalyst.•The…”
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Impact of Sulfur Loading on Brominated Biomass Ash on Mercury Capture by Bisson, Teresa M, Ong, Zong Qian, MacLennan, Aimee, Hu, Yongfeng, Xu, Zhenghe

“…Brominated carbon injection is a commonly applied technology for capture of mercury in flue gases emitted from coal-fired power plants. However, a previous…”
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Synchrotron-based X-ray absorption spectroscopy study of vanadium redox speciation during petroleum coke combustion and gasification by Duchesne, Marc A., Nakano, Jinichiro, Hu, Yongfeng, MacLennan, Aimee, Bennett, James, Nakano, Anna, Hughes, Robin W.

“…[Display omitted] •Vanadium has multiple oxidation states and may be associated with an amorphous state.•Methods were developed to identify…”
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Fischer-Tropsch synthesis: Effect of carbonyl sulfide poison over a Pt promoted Co/alumina catalyst by Pendyala, Venkat Ramana Rao, Jacobs, Gary, Ma, Wenping, Shafer, Wilson D., Sparks, Dennis E., MacLennan, Aimee, Hu, Yongfeng, Davis, Burtron H.

“…[Display omitted] •Addition of COS caused a significant irreversible deactivation of the catalyst.•The deactivation rate increased with continuous addition of…”
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Porous waxberry-like MnO 2 /La 2 O 3 microspheres for high performance asymmetric supercapacitor by Li, Yu, Guan, Bing, Maclennan, Aimee, Hu, Yongfeng, Li, Dandan, Zhao, Jing, Wang, Yaqiong, Zhang, Huaihao

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Understanding of the effect of synthesis temperature on the crystallization and activity of nano-MoS sub(2) catalyst by Zhang, Haiping, Lin, Hongfei, Zheng, Ying, Hu, Yongfeng, MacLennan, Aimee

“…Temperature is a key factor in the hydrothermal synthesis of M0S sub(2) with high catalytic activity. In this paper, the effect of synthesis temperature…”
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Effect of sequence of P and Co addition over silica for Fischer-Tropsch synthesis by Gnanamani, Muthu Kumaran, Jacobs, Gary, Graham, Uschi M., Pendyala, Venkat Ramana Rao, Martinelli, Michela, MacLennan, Aimee, Hu, Yongfeng, Davis, Burtron H.

“…[Display omitted] •P enhances Co dispersion, FT activity and selectivity for C5+.•Sequence of P and Co addition impacts fraction of Co reducible species.•P…”
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