Search Results - "NIEMELÄ, Marita"

Predominant (6,5) Single-Walled Carbon Nanotube Growth on a Copper-Promoted Iron Catalyst by He, Maoshuai, Chernov, Alexander I, Fedotov, Pavel V, Obraztsova, Elena D, Sainio, Jani, Rikkinen, Emma, Jiang, Hua, Zhu, Zhen, Tian, Ying, Kauppinen, Esko I, Niemelä, Marita, Krause, A. Outi I

“…We have developed a magnesia (MgO)-supported iron−copper (FeCu) catalyst to accomplish the growth of single-walled carbon nanotubes (SWNTs) using carbon…”
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Growth Mechanism of Single-Walled Carbon Nanotubes on Iron–Copper Catalyst and Chirality Studies by Electron Diffraction by He, Maoshuai, Liu, Bilu, Chernov, Alexander I, Obraztsova, Elena D, Kauppi, Inkeri, Jiang, Hua, Anoshkin, Ilya, Cavalca, Filippo, Hansen, Thomas W, Wagner, Jakob B, Nasibulin, Albert. G, Kauppinen, Esko I, Linnekoski, Juha, Niemelä, Marita, Lehtonen, Juha

“…Chiralities of single-walled carbon nanotubes grown on an atomic layer deposition prepared bimetallic FeCu/MgO catalyst were evaluated quantitatively using…”
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Selective growth of SWNTs on partially reduced monometallic cobalt catalyst by He, Maoshuai, Chernov, Alexander I, Fedotov, Pavel V, Obraztsova, Elena D, Rikkinen, Emma, Zhu, Zhen, Sainio, Jani, Jiang, Hua, Nasibulin, Albert G, Kauppinen, Esko I, Niemelä, Marita, Krause, A Outi I

“…SiO(2) supported cobalt (Co) catalyst could be partially reduced and anchored by unreduced Co ions during a carbon monoxide (CO) chemical vapor deposition…”
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Chiral-selective growth of single-walled carbon nanotubes on stainless steel wires by He, Maoshuai, Fedotov, Pavel V., Obraztsova, Elena D., Viitanen, Ville, Sainio, Jani, Jiang, Hua, Kauppinen, Esko I., Niemelä, Marita, Lehtonen, Juha

“…Single-walled carbon nanotubes (SWCNTs) were successfully grown on calcined stainless steel wires at 700°C using CO as the carbon source. By contrast, the raw…”
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Low Temperature Growth of SWNTs on a Nickel Catalyst by Thermal Chemical Vapor Deposition by He, Maoshuai, Chernov, Alexander I., Obraztsova, Elena D., Sainio, Jani, Rikkinen, Emma, Jiang, Hua, Zhu, Zhen, Kaskela, Antti, Nasibulin, Albert G., Kauppinen, Esko I., Niemelä, Marita, Krause, Outi

“…Single-walled carbon nanotubes （SWNTs） have been grown on a silica-supported monometallic nickel （Ni） catalyst at temperatures ranging from as low as 450℃to…”
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Biorefining: Heterogeneously Catalyzed Reactions of Carbohydrates for the Production of Furfural and Hydroxymethylfurfural by Karinen, Reetta, Vilonen, Kati, Niemelä, Marita

“…Furfurals are important intermediates in the chemical industry. They are typically produced by homogeneous catalysis in aqueous solutions. However,…”
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Catalytic clean-up of gasification gas with precious metal catalysts – A novel catalytic reformer development by Rönkkönen, Hanne, Simell, Pekka, Reinikainen, Matti, Krause, Outi, Niemelä, Marita Veringa

“…Several precious metal catalysts were prepared on modified zirconia and tested for the selective catalytic clean-up of the gasification gas. The activity of…”
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Modeling of the Adsorption and Desorption of CO2 on Cu/ZrO2 and ZrO2 Catalysts by Keskitalo, Tuomo J, Veringa Niemelä, Marita K, Krause, A. Outi I

“…The interaction between carbon dioxide and two zirconia catalystsa Cu/ZrO2 catalyst containing 34% copper and a pure ZrO2 catalystwas studied by pulse…”
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Temperature Dependent Raman Spectra of Carbon Nanobuds by He, Maoshuai, Rikkinen, Emma, Zhu, Zhen, Tian, Ying, Anisimov, Anton S, Jiang, Hua, Nasibulin, Albert G, Kauppinen, Esko I, Niemelä, Marita, Krause, A. Outi I

“…Carbon nanobuds (CNBs) represent an emerging nanostructure, in which fullerene molecules are covalently bonded to the outer surface of single-walled carbon…”
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Thermal plasma-sprayed nickel catalysts in the clean-up of biomass gasification gas by Rönkkönen, Hanne, Klemkaitė, Kristina, Khinsky, Alexander, Baltušnikas, Arūnas, Simell, Pekka, Reinikainen, Matti, Krause, Outi, Niemelä, Marita

“…Plasma spraying is a potential catalyst preparation method for hot gas clean-up which requires very durable catalytic coatings. In this work, the multi-layer…”
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Cellulosic ethanol via biochemical processing poses a challenge for developers and implementors by Virkajärvi, Ilkka, Niemelä, Marita Veringa, Hasanen, Antti, Teir, Andreas

“…In the future liquid biofuels will need to be renewable, sustainable, as well as technically and economically viable. This paper provides an overview of the…”
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Whisker carbon formation in catalytic steam reforming of biomass gasification gas by Kihlman, Johanna, Kaisalo, Noora, Koskinen-Soivi, Mari-Leena, Simell, Pekka, Niemelä, Marita, Lehtonen, Juha

“…[Display omitted] •Carbon was inhibited by H2S which is naturally present in biomass derived gas.•Whisker carbon appeared up to 700 °C when tested without…”
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Growth and surface engineering of vertically-aligned low-wall-number carbon nanotubes by He, Maoshuai, Vasala, Sami, Jiang, Hua, Karppinen, Maarit, Kauppinen, Esko I., Niemelä, Marita, Lehtonen, Juha

“…A novel catalyst of cobalt supported by single crystal MgO was prepared by atomic layer deposition and used for carbon nanotube growth. With CO as carbon…”
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Activation of carbon dioxide on Fe-catalysts by Niemelä, Marita, Nokkosmäki, Milja

“…Development and evaluation of novel catalysts capable of activating CO 2 especially in CO 2 hydrogenation have been investigated. Several catalysts have been…”
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The effect of ageing time on co-precipitated Cu/ZnO/ZrO2 catalysts used in methanol synthesis from CO2 and H2 by Raudaskoski, Riitta, Niemelä, Marita Veringa, Keiski, Riitta L.

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Modeling of the Adsorption and Desorption of CO 2 on Cu/ZrO 2 and ZrO 2 Catalysts by Keskitalo, Tuomo J., Veringa Niemelä, Marita K., Krause, A. Outi I.

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Chiral-selective growth of single-walled carbon nanotubes on stainless steel wires by MAOSHUAI HE, FEDOTOV, Pavel V, OBRAZTSOVA, Elena D, VIITANEN, Ville, SAINIO, Jani, HUA JIANG, KAUPPINEN, Esko I, NIEMELÄ, Marita, LEHTONEN, Juha

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Catalysis for a sustainable future and catalysis in the Nordic countries, 11th Nordic Symposium on Catalysis, Oulu, Finland, 23-25 May 2004 by KEISKI, Riitta, BURCH, Robbie, HÄRKÖNEN, Matti, KRAUSE, Outi, LINDBLAD, Marina, MURZIN, Dmitry, NIEMELÄ, Marita, PURSIAINEN, Jouni, RANTALA, Tapio, SALMI, Tapio

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