A Template-Free, Ultra-Adsorbing, High Surface Area Carbonate Nanostructure
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{"title"=>"A Template-Free, Ultra-Adsorbing, High Surface Area Carbonate Nanostructure", "type"=>"journal", "authors"=>[{"first_name"=>"Johan", "last_name"=>"Forsgren", "scopus_author_id"=>"21733254000"}, {"first_name"=>"Sara", "last_name"=>"Frykstrand", "scopus_author_id"=>"55798296600"}, {"first_name"=>"Kathryn", "last_name"=>"Grandfield", "scopus_author_id"=>"36504065000"}, {"first_name"=>"Albert", "last_name"=>"Mihranyan", "scopus_author_id"=>"6507801801"}, {"first_name"=>"Maria", "last_name"=>"Strømme", "scopus_author_id"=>"56249828500"}], "year"=>2013, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"369378614", "issn"=>"19326203", "isbn"=>"1932-6203 (Electronic)\\r1932-6203 (Linking)", "doi"=>"10.1371/journal.pone.0068486", "scopus"=>"2-s2.0-84880412008", "pmid"=>"23874640", "sgr"=>"84880412008"}, "id"=>"3fe80672-2584-37d4-9977-824a2456ebfb", "abstract"=>"We report the template-free, low-temperature synthesis of a stable, amorphous, and anhydrous magnesium carbonate nanostructure with pore sizes below 6 nm and a specific surface area of approximately 800 m(2) g(-1), substantially surpassing the surface area of all previously described alkali earth metal carbonates. The moisture sorption of the novel nanostructure is featured by a unique set of properties including an adsorption capacity approximately 50% larger than that of the hygroscopic zeolite-Y at low relative humidities and with the ability to retain more than 75% of the adsorbed water when the humidity is decreased from 95% to 5% at room temperature. These properties can be regenerated by heat treatment at temperatures below 100 degrees C.The structure is foreseen to become useful in applications such as humidity control, as industrial adsorbents and filters, in drug delivery and catalysis.", "link"=>"http://www.mendeley.com/research/templatefree-ultraadsorbing-high-surface-area-carbonate-nanostructure", "reader_count"=>135, "reader_count_by_academic_status"=>{"Unspecified"=>2, "Professor > Associate Professor"=>6, "Researcher"=>37, "Student > Doctoral Student"=>6, "Student > Ph. D. Student"=>37, "Student > Postgraduate"=>1, "Student > Master"=>24, "Other"=>9, "Student > Bachelor"=>7, "Lecturer"=>1, "Professor"=>5}, "reader_count_by_user_role"=>{"Unspecified"=>2, "Professor > Associate Professor"=>6, "Researcher"=>37, "Student > Doctoral Student"=>6, "Student > Ph. D. Student"=>37, "Student > Postgraduate"=>1, "Student > Master"=>24, "Other"=>9, "Student > Bachelor"=>7, "Lecturer"=>1, "Professor"=>5}, "reader_count_by_subject_area"=>{"Unspecified"=>6, "Agricultural and Biological Sciences"=>10, "Arts and Humanities"=>1, "Chemical Engineering"=>5, "Chemistry"=>42, "Computer Science"=>2, "Earth and Planetary Sciences"=>9, "Engineering"=>20, "Environmental Science"=>4, "Biochemistry, Genetics and Molecular Biology"=>3, "Materials Science"=>23, "Design"=>1, "Pharmacology, Toxicology and Pharmaceutical Science"=>4, "Physics and Astronomy"=>5}, "reader_count_by_subdiscipline"=>{"Materials Science"=>{"Materials Science"=>23}, "Physics and Astronomy"=>{"Physics and Astronomy"=>5}, "Unspecified"=>{"Unspecified"=>6}, "Environmental Science"=>{"Environmental Science"=>4}, "Pharmacology, Toxicology and Pharmaceutical Science"=>{"Pharmacology, Toxicology and Pharmaceutical Science"=>4}, "Chemical Engineering"=>{"Chemical Engineering"=>5}, "Arts and Humanities"=>{"Arts and Humanities"=>1}, "Design"=>{"Design"=>1}, "Engineering"=>{"Engineering"=>20}, "Chemistry"=>{"Chemistry"=>42}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>9}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>10}, "Computer Science"=>{"Computer Science"=>2}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>3}}, "reader_count_by_country"=>{"United States"=>2, "China"=>1, "Brazil"=>2, "France"=>1, "Australia"=>1, "Germany"=>3, "Spain"=>2}, "group_count"=>2}

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1121341", "https://ndownloader.figshare.com/files/1121345", "https://ndownloader.figshare.com/files/1121349", "https://ndownloader.figshare.com/files/1121356", "https://ndownloader.figshare.com/files/1121358", "https://ndownloader.figshare.com/files/1121359", "https://ndownloader.figshare.com/files/1121362", "https://ndownloader.figshare.com/files/1121363"], "description"=>"<div><p>We report the template-free, low-temperature synthesis of a stable, amorphous, and anhydrous magnesium carbonate nanostructure with pore sizes below 6 nm and a specific surface area of ∼ 800 m<sup>2</sup> g<sup>−1</sup>, substantially surpassing the surface area of all previously described alkali earth metal carbonates. The moisture sorption of the novel nanostructure is featured by a unique set of properties including an adsorption capacity ∼50% larger than that of the hygroscopic zeolite-Y at low relative humidities and with the ability to retain more than 75% of the adsorbed water when the humidity is decreased from 95% to 5% at room temperature. These properties can be regenerated by heat treatment at temperatures below 100°C.The structure is foreseen to become useful in applications such as humidity control, as industrial adsorbents and filters, in drug delivery and catalysis.</p></div>", "links"=>[], "tags"=>["Chemical engineering", "Inorganic chemistry", "Inorganic reactions", "Physical chemistry", "sorption", "Material by attribute", "Nanomaterials", "Porous materials", "Material by structure", "ceramics", "Material properties", "Materials characterization", "Materials chemistry", "Materials physics", "microstructure", "nanotechnology", "carbonate"], "article_id"=>747419, "categories"=>["Medicine", "Chemistry"], "users"=>["Johan Forsgren", "Sara Frykstrand", "Kathryn Grandfield", "Albert Mihranyan", "Maria Strømme"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0068486.s001", "https://dx.doi.org/10.1371/journal.pone.0068486.s002", "https://dx.doi.org/10.1371/journal.pone.0068486.s003", "https://dx.doi.org/10.1371/journal.pone.0068486.s004", "https://dx.doi.org/10.1371/journal.pone.0068486.s005", "https://dx.doi.org/10.1371/journal.pone.0068486.s006", "https://dx.doi.org/10.1371/journal.pone.0068486.s007", "https://dx.doi.org/10.1371/journal.pone.0068486.s008"], "stats"=>{"downloads"=>55, "page_views"=>25, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_A_Template_Free_Ultra_Adsorbing_High_Surface_Area_Carbonate_Nanostructure_/747419", "title"=>"A Template-Free, Ultra-Adsorbing, High Surface Area Carbonate Nanostructure", "pos_in_sequence"=>0, "defined_type"=>4, "published_date"=>"2013-07-17 02:24:15"}
  • {"files"=>["https://ndownloader.figshare.com/files/1121334"], "description"=>"<p><b>a)</b> SEM micrograph of Upsalite. Scale bar, 1 µm. <b>b)</b> Higher magnification SEM of a region in a) clearly showing the textural porosity of the material. Scale bar, 200 nm. <b>c)</b> Representative TEM image of Upsalite showing contrast consistent with a porous material. The image is recorded with under-focused conditions to enhance the contrast from the pores. Scale bar, 50 nm.</p>", "links"=>[], "tags"=>["Chemical engineering", "Inorganic chemistry", "Inorganic reactions", "Physical chemistry", "sorption", "Material by attribute", "Nanomaterials", "Porous materials", "Material by structure", "ceramics", "Material properties", "Materials characterization", "Materials chemistry", "Materials physics", "microstructure", "nanotechnology", "microscopy", "images"], "article_id"=>747413, "categories"=>["Medicine", "Chemistry"], "users"=>["Johan Forsgren", "Sara Frykstrand", "Kathryn Grandfield", "Albert Mihranyan", "Maria Strømme"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068486.g004", "stats"=>{"downloads"=>0, "page_views"=>13, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Electron_microscopy_images_of_Upsalite_/747413", "title"=>"Electron microscopy images of Upsalite.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-07-17 02:24:15"}
  • {"files"=>["https://ndownloader.figshare.com/files/1121335"], "description"=>"<p>Structural and chemical characteristics of Upsalite obtained from N<sub>2</sub> and H<sub>2</sub>O vapour sorption isotherms.</p>", "links"=>[], "tags"=>["Chemical engineering", "Inorganic chemistry", "Inorganic reactions", "Physical chemistry", "sorption", "Material by attribute", "Nanomaterials", "Porous materials", "Material by structure", "ceramics", "Material properties", "Materials characterization", "Materials chemistry", "Materials physics", "microstructure", "nanotechnology", "upsalite", "vapour"], "article_id"=>747414, "categories"=>["Medicine", "Chemistry"], "users"=>["Johan Forsgren", "Sara Frykstrand", "Kathryn Grandfield", "Albert Mihranyan", "Maria Strømme"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068486.t001", "stats"=>{"downloads"=>7, "page_views"=>53, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Structural_and_chemical_characteristics_of_Upsalite_obtained_from_N_2_and_H_2_O_vapour_sorption_isotherms_/747414", "title"=>"Structural and chemical characteristics of Upsalite obtained from N<sub>2</sub> and H<sub>2</sub>O vapour sorption isotherms.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-07-17 02:24:15"}
  • {"files"=>["https://ndownloader.figshare.com/files/1121317"], "description"=>"<p><b>a)</b> XRD pattern. The halo at 2 θ∼30° indicates the presence of at least one amorphous phase and the sharp peaks at higher scattering angles pertain to crystalline MgO. <b>b)</b> Raman spectrum. The band observed at ∼1100 cm<sup>−1</sup> stems from vibration of the CO<sub>3</sub> group and the halo cantered at 100 cm<sup>−1</sup> is a Boson peak. <b>c)</b> FTIR spectrum. The three visible absorption bands (1440 cm<sup>−1</sup>, 1100 cm<sup>−1</sup> and 850 cm<sup>−1</sup>) are all due to vibrations of the CO<sub>3</sub> group. <b>d)</b> and <b>e)</b> XPS Mg<sub>2p</sub> and O<sub>1s</sub> peaks. The Mg<sub>2p</sub> peak at 52.1 eV and the O<sub>1s</sub> peak at 533.5 eV stem from MgCO<sub>3</sub>, the O<sub>1s</sub> peak at 531.0 eV from MgO and the O<sub>1s</sub> peak at 535.6 eV from surface adsorbed water. The solid lines represent the measured spectrum. The coloured lines are calculated using the CasaXPS software and represent the fitted curves (obtained using Gaussian-Lorentzian functions) and the subtracted background (obtained using a Shirley function).</p>", "links"=>[], "tags"=>["Chemical engineering", "Inorganic chemistry", "Inorganic reactions", "Physical chemistry", "sorption", "Material by attribute", "Nanomaterials", "Porous materials", "Material by structure", "ceramics", "Material properties", "Materials characterization", "Materials chemistry", "Materials physics", "microstructure", "nanotechnology", "as-synthesised", "upsalite", "schematic", "synthesis"], "article_id"=>747403, "categories"=>["Medicine", "Chemistry"], "users"=>["Johan Forsgren", "Sara Frykstrand", "Kathryn Grandfield", "Albert Mihranyan", "Maria Strømme"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068486.g001", "stats"=>{"downloads"=>0, "page_views"=>57, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Characterisation_of_as_synthesised_Upsalite_and_schematic_description_of_the_synthesis_steps_/747403", "title"=>"Characterisation of as-synthesised Upsalite and schematic description of the synthesis steps.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-07-17 02:24:15"}
  • {"files"=>["https://ndownloader.figshare.com/files/1121318"], "description"=>"<p><b>i)</b> In the first step MgO (s) is mixed with methanol under 3 bar CO<sub>2</sub> pressure at 50°C. <b>ii)</b> After 2.5 h the HOMgOCH<sub>3</sub> is formed in the solution, the pressure is lowered to 1 bar and the heating is turned off. At the same time the methanol reacts with the CO<sub>2</sub> and forms CH<sub>3</sub>OCOOH (methyl hemicarbonic acid). <b>iii)</b> HOMgOCH<sub>3</sub> reacts with CH<sub>3</sub>OCOOH and forms water and H<sub>3</sub>COCOOMgOCH<sub>3</sub> (methyl esther of magnesium methyl carbonate). At this point the solution changes colour from white to light yellow. <b>iv)</b> H<sub>3</sub>COCOOMgOCH<sub>3</sub> reacts with the water formed in step iii) and forms HOMgOCOOCH<sub>3</sub> (or MgCO<sub>3</sub>·CH<sub>3</sub>OH) which upon <b>v)</b> heating at 70°C releases CH<sub>3</sub>OH and forms MgCO<sub>3</sub>.</p>", "links"=>[], "tags"=>["Chemical engineering", "Inorganic chemistry", "Inorganic reactions", "Physical chemistry", "sorption", "Material by attribute", "Nanomaterials", "Porous materials", "Material by structure", "ceramics", "Material properties", "Materials characterization", "Materials chemistry", "Materials physics", "microstructure", "nanotechnology"], "article_id"=>747404, "categories"=>["Medicine", "Chemistry"], "users"=>["Johan Forsgren", "Sara Frykstrand", "Kathryn Grandfield", "Albert Mihranyan", "Maria Strømme"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068486.g002", "stats"=>{"downloads"=>1, "page_views"=>32, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Synthesis_of_Upsalite_/747404", "title"=>"Synthesis of Upsalite.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-07-17 02:24:15"}
  • {"files"=>["https://ndownloader.figshare.com/files/1121321"], "description"=>"<p><b>a)</b> N<sub>2</sub> sorption isotherm at 77 K. <b>b)</b> Incremental pore volume (violet) and cumulative pore volume (blue) obtained from N<sub>2</sub> sorption isotherm. <b>c)</b> Moisture sorption isotherm at room temperature for Upsalite (blue), Mg<sub>5</sub>(CO<sub>3</sub>)<sub>4</sub>(OH)<sub>2</sub>·4H<sub>2</sub>O (green), Aerosil (red) and Zeolite Y (black). The arrows indicate the direction of the pressure change.</p>", "links"=>[], "tags"=>["Chemical engineering", "Inorganic chemistry", "Inorganic reactions", "Physical chemistry", "sorption", "Material by attribute", "Nanomaterials", "Porous materials", "Material by structure", "ceramics", "Material properties", "Materials characterization", "Materials chemistry", "Materials physics", "microstructure", "nanotechnology", "isotherms", "dft-based", "pore"], "article_id"=>747406, "categories"=>["Medicine", "Chemistry"], "users"=>["Johan Forsgren", "Sara Frykstrand", "Kathryn Grandfield", "Albert Mihranyan", "Maria Strømme"], "doi"=>"https://dx.doi.org/10.1371/journal.pone.0068486.g003", "stats"=>{"downloads"=>5, "page_views"=>45, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Sorption_isotherms_and_DFT_based_pore_size_distribution_for_Upsalite_/747406", "title"=>"Sorption isotherms and DFT-based pore size distribution for Upsalite.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-07-17 02:24:15"}

PMC Usage Stats | Further Information

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  • {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2018", "month"=>"8"}
  • {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"10"}
  • {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"6", "cited-by"=>"0", "year"=>"2018", "month"=>"11"}
  • {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"9"}
  • {"unique-ip"=>"9", "full-text"=>"11", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"12"}
  • {"unique-ip"=>"5", "full-text"=>"5", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"2"}
  • {"unique-ip"=>"3", "full-text"=>"3", "pdf"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"3"}
  • {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"4"}
  • {"unique-ip"=>"5", "full-text"=>"5", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"5"}

Relative Metric

{"start_date"=>"2013-01-01T00:00:00Z", "end_date"=>"2013-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Earth sciences", "average_usage"=>[296, 488, 620, 717, 828, 938, 1038, 1130, 1230, 1328, 1414, 1502, 1592]}, {"subject_area"=>"/Earth sciences/Geography", "average_usage"=>[285, 472, 614, 714, 817, 928, 1028, 1122, 1225, 1327, 1410, 1482, 1549]}, {"subject_area"=>"/Physical sciences/Chemistry", "average_usage"=>[247, 429, 544, 647, 747, 842, 929, 1012, 1099, 1179, 1263, 1339, 1409]}, {"subject_area"=>"/Physical sciences/Materials science", "average_usage"=>[250, 417, 535, 649, 758, 857, 952, 1036, 1113, 1206, 1287, 1353, 1429]}]}
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