Search: WFRF:(Kuśtrowski Piotr) > Exploring the Origi...
Fältnamn | Indikatorer | Metadata |
---|---|---|
000 | 03398naa a2200409 4500 | |
001 | oai:DiVA.org:su-178612 | |
003 | SwePub | |
008 | 200312s2020 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1786122 URI |
024 | 7 | a https://doi.org/10.1021/acs.jpcc.9b098382 DOI |
040 | a (SwePub)su | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Ma, Zili4 aut |
245 | 1 0 | a Exploring the Origins of Improved Photocurrent by Acidic Treatment for Quaternary Tantalum-Based Oxynitride Photoanodes on the Example of CaTaO2N |
264 | c 2019-12-04 | |
264 | 1 | b American Chemical Society (ACS),c 2020 |
338 | a print2 rdacarrier | |
520 | a Quaternary tantalum-based oxynitrides ATa(O,N)(3),with electronic band gaps between 1.8 and 2.4 eV, are promising materials for photochemical water-splitting. The tailoring of their surface properties is a critical aspect to obtain efficient hole extraction. We report on the origin of improved photoelectrochemical (PEC) water oxidation by means of acidic treatment for this class of compounds on the example of cubic CaTaO2N particles. We address the effect of acidic treatment by using complementary physical characterization techniques, such as X-ray photoelectron spectroscopy, electrochemical impedance spectroscopy, H-1 and N-1 solid-state nuclear magnetic resonance (NMR) spectroscopy, electron microscopy, and electronic band structure calculations at the density functional theory level. In combination with PEC measurements, solid-state NMR indicates that the restructured surface displays a meaningfully higher concentration of terminating OH groups. Subsequent deposition of a nickel borate (NiBi;) catalyst on the acid-treated surface yields a higher percentual upsurge of photocurrent in comparison to pristine CaTaO2N. Our results highlight the application of solid-state NMR spectroscopy for understanding the semiconductor-catalyst interface in photochemical devices. | |
650 | 7 | a NATURVETENSKAPx Kemi0 (SwePub)1042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Chemical Sciences0 (SwePub)1042 hsv//eng |
700 | 1 | a Jaworski, Aleksanderu Stockholms universitet,Institutionen för material- och miljökemi (MMK)4 aut0 (Swepub:su)ajawo |
700 | 1 | a George, Janine4 aut |
700 | 1 | a Rokicinska, Anna4 aut |
700 | 1 | a Thersleff, Thomasu Stockholms universitet,Institutionen för material- och miljökemi (MMK)4 aut0 (Swepub:su)tther |
700 | 1 | a Budnyak, Tetyana M.u Stockholms universitet,Institutionen för material- och miljökemi (MMK)4 aut0 (Swepub:su)tebu2966 |
700 | 1 | a Hautier, Geoffroy4 aut |
700 | 1 | a Pell, Andrew J.u Stockholms universitet,Institutionen för material- och miljökemi (MMK)4 aut0 (Swepub:su)apell |
700 | 1 | a Dronskowski, Richard4 aut |
700 | 1 | a Kuśtrowski, Piotr4 aut |
700 | 1 | a Slabon, Adamu Stockholms universitet,Institutionen för material- och miljökemi (MMK)4 aut0 (Swepub:su)adsl1265 |
710 | 2 | a Stockholms universitetb Institutionen för material- och miljökemi (MMK)4 org |
773 | 0 | t The Journal of Physical Chemistry Cd : American Chemical Society (ACS)g 124:1, s. 152-160q 124:1<152-160x 1932-7447x 1932-7455 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-178612 |
856 | 4 8 | u https://doi.org/10.1021/acs.jpcc.9b09838 |
Kungliga biblioteket hanterar dina personuppgifter i enlighet med EU:s dataskyddsförordning (2018), GDPR. Läs mer om hur det funkar här.
Så här hanterar KB dina uppgifter vid användning av denna tjänst.