Mesoporous tungsten oxide modified by nanolayered manganese-calcium oxide as robust photoanode for solar water splitting
[Display omitted] Described herein is the synthesis, characterization and photoelectrochemical behavior of a novel composite consisting of nanolayered manganese-calcium oxide (MCO) and mesoporous tungsten trioxide (WO3). The samples were characterized by transmission electron microscopy (TEM), and X...
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| Veröffentlicht in: | Journal of colloid and interface science 2018-04, Vol.516, p.145-152 |
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| container_title | Journal of colloid and interface science |
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| creator | Li, Kezhen Zhang, Chao Liu, Aijuan Chu, Dongmei Zhang, Chunyong Yang, Ping Du, Yukou Huang, Jie |
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Described herein is the synthesis, characterization and photoelectrochemical behavior of a novel composite consisting of nanolayered manganese-calcium oxide (MCO) and mesoporous tungsten trioxide (WO3). The samples were characterized by transmission electron microscopy (TEM), and X-ray diffraction (XRD). The results demonstrated that superior interfacial contacts had been formed between WO3 and MCO. UV–vis diffuse reflectance spectroscopy (DRS), photoelectrochemical characterization, and incident photon-to-current efficiency (IPCE) revealed an enhanced light harvesting and effective electron-hole separation. A photoelectrochemical (PEC) cell composed of the n-type MCO/WO3 as a photoanode and platinum sheet as a counter electrode was assembled to estimate the feasibility for overall water splitting under a solar simulator illumination. The photocatalytic hydrogen and oxygen production from the photochemical cell with optimized photocatalyst (MCO/WO3-9) under 2 h simulated solar light irradiation was 1.9 μmol and 0.7 μmol, respectively, at low extra bias (0.90 V vs. RHE). Our investigation suggests that coupling MCO with n-type semiconductor WO3 as photoanode is a promising method to improve the activity of overall water splitting to generate oxygen and hydrogen. |
| doi_str_mv | 10.1016/j.jcis.2018.01.053 |
| format | Article |
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Described herein is the synthesis, characterization and photoelectrochemical behavior of a novel composite consisting of nanolayered manganese-calcium oxide (MCO) and mesoporous tungsten trioxide (WO3). The samples were characterized by transmission electron microscopy (TEM), and X-ray diffraction (XRD). The results demonstrated that superior interfacial contacts had been formed between WO3 and MCO. UV–vis diffuse reflectance spectroscopy (DRS), photoelectrochemical characterization, and incident photon-to-current efficiency (IPCE) revealed an enhanced light harvesting and effective electron-hole separation. A photoelectrochemical (PEC) cell composed of the n-type MCO/WO3 as a photoanode and platinum sheet as a counter electrode was assembled to estimate the feasibility for overall water splitting under a solar simulator illumination. The photocatalytic hydrogen and oxygen production from the photochemical cell with optimized photocatalyst (MCO/WO3-9) under 2 h simulated solar light irradiation was 1.9 μmol and 0.7 μmol, respectively, at low extra bias (0.90 V vs. RHE). Our investigation suggests that coupling MCO with n-type semiconductor WO3 as photoanode is a promising method to improve the activity of overall water splitting to generate oxygen and hydrogen.</description><identifier>ISSN: 0021-9797</identifier><identifier>EISSN: 1095-7103</identifier><identifier>DOI: 10.1016/j.jcis.2018.01.053</identifier><identifier>PMID: 29367065</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Hydrogen production ; Manganese-calcium oxide ; Photoelectrochemical cell ; Tungsten trioxide ; Water splitting</subject><ispartof>Journal of colloid and interface science, 2018-04, Vol.516, p.145-152</ispartof><rights>2018 Elsevier Inc.</rights><rights>Copyright © 2018 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c393t-2044d321c7a7a5b483ccaac78b433a5168622f7ee66a5d4877186815cb486ede3</citedby><cites>FETCH-LOGICAL-c393t-2044d321c7a7a5b483ccaac78b433a5168622f7ee66a5d4877186815cb486ede3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jcis.2018.01.053$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29367065$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Kezhen</creatorcontrib><creatorcontrib>Zhang, Chao</creatorcontrib><creatorcontrib>Liu, Aijuan</creatorcontrib><creatorcontrib>Chu, Dongmei</creatorcontrib><creatorcontrib>Zhang, Chunyong</creatorcontrib><creatorcontrib>Yang, Ping</creatorcontrib><creatorcontrib>Du, Yukou</creatorcontrib><creatorcontrib>Huang, Jie</creatorcontrib><title>Mesoporous tungsten oxide modified by nanolayered manganese-calcium oxide as robust photoanode for solar water splitting</title><title>Journal of colloid and interface science</title><addtitle>J Colloid Interface Sci</addtitle><description>[Display omitted]
Described herein is the synthesis, characterization and photoelectrochemical behavior of a novel composite consisting of nanolayered manganese-calcium oxide (MCO) and mesoporous tungsten trioxide (WO3). The samples were characterized by transmission electron microscopy (TEM), and X-ray diffraction (XRD). The results demonstrated that superior interfacial contacts had been formed between WO3 and MCO. UV–vis diffuse reflectance spectroscopy (DRS), photoelectrochemical characterization, and incident photon-to-current efficiency (IPCE) revealed an enhanced light harvesting and effective electron-hole separation. A photoelectrochemical (PEC) cell composed of the n-type MCO/WO3 as a photoanode and platinum sheet as a counter electrode was assembled to estimate the feasibility for overall water splitting under a solar simulator illumination. The photocatalytic hydrogen and oxygen production from the photochemical cell with optimized photocatalyst (MCO/WO3-9) under 2 h simulated solar light irradiation was 1.9 μmol and 0.7 μmol, respectively, at low extra bias (0.90 V vs. RHE). Our investigation suggests that coupling MCO with n-type semiconductor WO3 as photoanode is a promising method to improve the activity of overall water splitting to generate oxygen and hydrogen.</description><subject>Hydrogen production</subject><subject>Manganese-calcium oxide</subject><subject>Photoelectrochemical cell</subject><subject>Tungsten trioxide</subject><subject>Water splitting</subject><issn>0021-9797</issn><issn>1095-7103</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kM1u1DAYRS0EokPLC7BAXrJJ8BfHP5HYoIoWpCI2dG05zpfBoyQOtgOdt8ejGViy8o_OvdI9hLwBVgMD-f5QH5xPdcNA1wxqJvgzsgPWiUoB48_JjrEGqk516oq8SunAGIAQ3Uty1XRcKibFjjx9xRTWEMOWaN6Wfcq40PDkB6RzGPzocaD9kS52CZM9YizP2S57u2DCytnJ-W2-8DbRGPotZbr-CDmURPkcQ6SpRCP9bTOW-zr5nP2yvyEvRjslfH05r8nj3afvt5-rh2_3X24_PlSOdzxXDWvbgTfglFVW9K3mzlnrlO5bzq0AqWXTjApRSiuGVisFWmoQrqASB-TX5N25d43h54Ypm9knh9NUJpTRBroOQGvGWEGbM-piSCniaNboZxuPBpg5GTcHczJuTsYNA1OMl9DbS__Wzzj8i_xVXIAPZwDLyl8eo0nO4-Jw8BFdNkPw_-v_A5tslKE</recordid><startdate>20180415</startdate><enddate>20180415</enddate><creator>Li, Kezhen</creator><creator>Zhang, Chao</creator><creator>Liu, Aijuan</creator><creator>Chu, Dongmei</creator><creator>Zhang, Chunyong</creator><creator>Yang, Ping</creator><creator>Du, Yukou</creator><creator>Huang, Jie</creator><general>Elsevier Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20180415</creationdate><title>Mesoporous tungsten oxide modified by nanolayered manganese-calcium oxide as robust photoanode for solar water splitting</title><author>Li, Kezhen ; Zhang, Chao ; Liu, Aijuan ; Chu, Dongmei ; Zhang, Chunyong ; Yang, Ping ; Du, Yukou ; Huang, Jie</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-2044d321c7a7a5b483ccaac78b433a5168622f7ee66a5d4877186815cb486ede3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Hydrogen production</topic><topic>Manganese-calcium oxide</topic><topic>Photoelectrochemical cell</topic><topic>Tungsten trioxide</topic><topic>Water splitting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Kezhen</creatorcontrib><creatorcontrib>Zhang, Chao</creatorcontrib><creatorcontrib>Liu, Aijuan</creatorcontrib><creatorcontrib>Chu, Dongmei</creatorcontrib><creatorcontrib>Zhang, Chunyong</creatorcontrib><creatorcontrib>Yang, Ping</creatorcontrib><creatorcontrib>Du, Yukou</creatorcontrib><creatorcontrib>Huang, Jie</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of colloid and interface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Kezhen</au><au>Zhang, Chao</au><au>Liu, Aijuan</au><au>Chu, Dongmei</au><au>Zhang, Chunyong</au><au>Yang, Ping</au><au>Du, Yukou</au><au>Huang, Jie</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mesoporous tungsten oxide modified by nanolayered manganese-calcium oxide as robust photoanode for solar water splitting</atitle><jtitle>Journal of colloid and interface science</jtitle><addtitle>J Colloid Interface Sci</addtitle><date>2018-04-15</date><risdate>2018</risdate><volume>516</volume><spage>145</spage><epage>152</epage><pages>145-152</pages><issn>0021-9797</issn><eissn>1095-7103</eissn><abstract>[Display omitted]
Described herein is the synthesis, characterization and photoelectrochemical behavior of a novel composite consisting of nanolayered manganese-calcium oxide (MCO) and mesoporous tungsten trioxide (WO3). The samples were characterized by transmission electron microscopy (TEM), and X-ray diffraction (XRD). The results demonstrated that superior interfacial contacts had been formed between WO3 and MCO. UV–vis diffuse reflectance spectroscopy (DRS), photoelectrochemical characterization, and incident photon-to-current efficiency (IPCE) revealed an enhanced light harvesting and effective electron-hole separation. A photoelectrochemical (PEC) cell composed of the n-type MCO/WO3 as a photoanode and platinum sheet as a counter electrode was assembled to estimate the feasibility for overall water splitting under a solar simulator illumination. The photocatalytic hydrogen and oxygen production from the photochemical cell with optimized photocatalyst (MCO/WO3-9) under 2 h simulated solar light irradiation was 1.9 μmol and 0.7 μmol, respectively, at low extra bias (0.90 V vs. RHE). Our investigation suggests that coupling MCO with n-type semiconductor WO3 as photoanode is a promising method to improve the activity of overall water splitting to generate oxygen and hydrogen.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>29367065</pmid><doi>10.1016/j.jcis.2018.01.053</doi><tpages>8</tpages></addata></record> |
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| subjects | Hydrogen production Manganese-calcium oxide Photoelectrochemical cell Tungsten trioxide Water splitting |
| title | Mesoporous tungsten oxide modified by nanolayered manganese-calcium oxide as robust photoanode for solar water splitting |
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