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Characterization and Optimization of Silver-Modified In 0.2 Cd 0.8 S-Based Photocatalysts
In this research, we performed scanning electrochemical microscopy to screen M (In Cd ) S (M = V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Mo, Ru, Ag, W, Ir, Pt, and Te) photocatalyst arrays for efficient photoelectrochemical reaction. Doping 30% Ag to form the Ag (In Cd ) S electrode could result in the highest...
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| Published in: | ACS omega 2019-12, Vol.4 (25), p.21214-21222 |
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| Language: | English |
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| container_title | ACS omega |
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| creator | Weng, Yu-Ching Su, Yu-Wei Chiu, Ke-Chih |
| description | In this research, we performed scanning electrochemical microscopy to screen M
(In
Cd
)
S (M = V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Mo, Ru, Ag, W, Ir, Pt, and Te) photocatalyst arrays for efficient photoelectrochemical reaction. Doping 30% Ag to form the Ag
(In
Cd
)
S electrode could result in the highest photocurrent, and also, the anode photocurrents were found to be 1 and 0.53 mA/cm
under UV-visible and visible light, respectively, comparatively higher than that of the In
Cd
S electrode (0.45 and 0.25 mA/cm
). The highest incident photo-to-current conversion efficiency of the Ag
(In
Cd
)
S photocatalyst and In
Cd
S were found to be 64% (λ = 450 nm) and 57% (λ = 400 nm), respectively. The Mott-Schottky plots showed that In
Cd
S and Ag
(In
Cd
)
S photoelectrodes could exhibit a flat-band potential of -0.85 and -0.55 V versus Ag/AgCl, respectively. Based on these findings, the superior photocatalytic activity of the Ag
(In
Cd
)
S photoelectrode was mainly attributed to its high crystalline structure for efficient charge separation and reduction of charge recombination in the heterojunction of Ag
(In
Cd
)
S and Ag
S. |
| doi_str_mv | 10.1021/acsomega.9b02685 |
| format | article |
| fullrecord | <record><control><sourceid>pubmed_cross</sourceid><recordid>TN_cdi_crossref_primary_10_1021_acsomega_9b02685</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>31867515</sourcerecordid><originalsourceid>FETCH-LOGICAL-c1115-ef3a6ad8ab570da27d8bfe9b20fc917a360e288d6f32abcbc00294a1475e2fd23</originalsourceid><addsrcrecordid>eNpNkM1KAzEYRYMottTuXUleYOqXZCaTWergT6FSobpwNXyTHxvpNCUZhfr0VtqKq3u5cO7iEHLJYMKAs2vUKXT2HSdVC1yq4oQMeV5CxkQuTv_1ARmn9AEATCquuDwnA8GULAtWDMlbvcSIurfRf2Pvw5ri2tD5pvfdcQiOLvzqy8bsKRjvvDV0uqYw4bQ2u1B0kd1i2q3Py9AHjT2utqlPF-TM4SrZ8SFH5PX-7qV-zGbzh2l9M8s0Y6zIrBMo0ShsixIM8tKo1tmq5eB0xUoUEixXykgnOLa61QC8ypHlZWG5M1yMCOx_dQwpReuaTfQdxm3DoPkV1RxFNQdRO-Rqj2w-286aP-CoRfwA0KNllQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Characterization and Optimization of Silver-Modified In 0.2 Cd 0.8 S-Based Photocatalysts</title><source>American Chemical Society (ACS) Open Access</source><source>PubMed Central</source><creator>Weng, Yu-Ching ; Su, Yu-Wei ; Chiu, Ke-Chih</creator><creatorcontrib>Weng, Yu-Ching ; Su, Yu-Wei ; Chiu, Ke-Chih</creatorcontrib><description>In this research, we performed scanning electrochemical microscopy to screen M
(In
Cd
)
S (M = V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Mo, Ru, Ag, W, Ir, Pt, and Te) photocatalyst arrays for efficient photoelectrochemical reaction. Doping 30% Ag to form the Ag
(In
Cd
)
S electrode could result in the highest photocurrent, and also, the anode photocurrents were found to be 1 and 0.53 mA/cm
under UV-visible and visible light, respectively, comparatively higher than that of the In
Cd
S electrode (0.45 and 0.25 mA/cm
). The highest incident photo-to-current conversion efficiency of the Ag
(In
Cd
)
S photocatalyst and In
Cd
S were found to be 64% (λ = 450 nm) and 57% (λ = 400 nm), respectively. The Mott-Schottky plots showed that In
Cd
S and Ag
(In
Cd
)
S photoelectrodes could exhibit a flat-band potential of -0.85 and -0.55 V versus Ag/AgCl, respectively. Based on these findings, the superior photocatalytic activity of the Ag
(In
Cd
)
S photoelectrode was mainly attributed to its high crystalline structure for efficient charge separation and reduction of charge recombination in the heterojunction of Ag
(In
Cd
)
S and Ag
S.</description><identifier>ISSN: 2470-1343</identifier><identifier>EISSN: 2470-1343</identifier><identifier>DOI: 10.1021/acsomega.9b02685</identifier><identifier>PMID: 31867515</identifier><language>eng</language><publisher>United States</publisher><ispartof>ACS omega, 2019-12, Vol.4 (25), p.21214-21222</ispartof><rights>Copyright © 2019 American Chemical Society.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1115-ef3a6ad8ab570da27d8bfe9b20fc917a360e288d6f32abcbc00294a1475e2fd23</citedby><cites>FETCH-LOGICAL-c1115-ef3a6ad8ab570da27d8bfe9b20fc917a360e288d6f32abcbc00294a1475e2fd23</cites><orcidid>0000-0003-1303-7032</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31867515$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Weng, Yu-Ching</creatorcontrib><creatorcontrib>Su, Yu-Wei</creatorcontrib><creatorcontrib>Chiu, Ke-Chih</creatorcontrib><title>Characterization and Optimization of Silver-Modified In 0.2 Cd 0.8 S-Based Photocatalysts</title><title>ACS omega</title><addtitle>ACS Omega</addtitle><description>In this research, we performed scanning electrochemical microscopy to screen M
(In
Cd
)
S (M = V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Mo, Ru, Ag, W, Ir, Pt, and Te) photocatalyst arrays for efficient photoelectrochemical reaction. Doping 30% Ag to form the Ag
(In
Cd
)
S electrode could result in the highest photocurrent, and also, the anode photocurrents were found to be 1 and 0.53 mA/cm
under UV-visible and visible light, respectively, comparatively higher than that of the In
Cd
S electrode (0.45 and 0.25 mA/cm
). The highest incident photo-to-current conversion efficiency of the Ag
(In
Cd
)
S photocatalyst and In
Cd
S were found to be 64% (λ = 450 nm) and 57% (λ = 400 nm), respectively. The Mott-Schottky plots showed that In
Cd
S and Ag
(In
Cd
)
S photoelectrodes could exhibit a flat-band potential of -0.85 and -0.55 V versus Ag/AgCl, respectively. Based on these findings, the superior photocatalytic activity of the Ag
(In
Cd
)
S photoelectrode was mainly attributed to its high crystalline structure for efficient charge separation and reduction of charge recombination in the heterojunction of Ag
(In
Cd
)
S and Ag
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(In
Cd
)
S (M = V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Mo, Ru, Ag, W, Ir, Pt, and Te) photocatalyst arrays for efficient photoelectrochemical reaction. Doping 30% Ag to form the Ag
(In
Cd
)
S electrode could result in the highest photocurrent, and also, the anode photocurrents were found to be 1 and 0.53 mA/cm
under UV-visible and visible light, respectively, comparatively higher than that of the In
Cd
S electrode (0.45 and 0.25 mA/cm
). The highest incident photo-to-current conversion efficiency of the Ag
(In
Cd
)
S photocatalyst and In
Cd
S were found to be 64% (λ = 450 nm) and 57% (λ = 400 nm), respectively. The Mott-Schottky plots showed that In
Cd
S and Ag
(In
Cd
)
S photoelectrodes could exhibit a flat-band potential of -0.85 and -0.55 V versus Ag/AgCl, respectively. Based on these findings, the superior photocatalytic activity of the Ag
(In
Cd
)
S photoelectrode was mainly attributed to its high crystalline structure for efficient charge separation and reduction of charge recombination in the heterojunction of Ag
(In
Cd
)
S and Ag
S.</abstract><cop>United States</cop><pmid>31867515</pmid><doi>10.1021/acsomega.9b02685</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-1303-7032</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2470-1343 |
| ispartof | ACS omega, 2019-12, Vol.4 (25), p.21214-21222 |
| issn | 2470-1343 2470-1343 |
| language | eng |
| recordid | cdi_crossref_primary_10_1021_acsomega_9b02685 |
| source | American Chemical Society (ACS) Open Access; PubMed Central |
| title | Characterization and Optimization of Silver-Modified In 0.2 Cd 0.8 S-Based Photocatalysts |
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