DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yoon, Ki-Yong | ko |
dc.contributor.author | Lee, Jung-Soo | ko |
dc.contributor.author | Kim, Kwanghyun | ko |
dc.contributor.author | Bak, Chang Hong | ko |
dc.contributor.author | Kim, Sun-I | ko |
dc.contributor.author | Kim, Jin-Baek | ko |
dc.contributor.author | Jang, Ji-Hyun | ko |
dc.date.accessioned | 2015-04-07T04:38:21Z | - |
dc.date.available | 2015-04-07T04:38:21Z | - |
dc.date.created | 2015-02-05 | - |
dc.date.created | 2015-02-05 | - |
dc.date.issued | 2014-12 | - |
dc.identifier.citation | ACS APPLIED MATERIALS & INTERFACES, v.6, no.24, pp.22634 - 22639 | - |
dc.identifier.issn | 1944-8244 | - |
dc.identifier.uri | http://hdl.handle.net/10203/195187 | - |
dc.description.abstract | By coupling alpha-Fe2O3 with a 3D graphene inverse opal (3D-GIO) conducting electrode, the short diffusion length of carriers and low absorption coefficient in alpha-Fe2O3 for photoelectrochemical applications were successfully addressed. GIO was directly grown on FTO substrate under low temperature conditions, removing the need for a graphene transfer process. alpha-Fe2O3 nanoparticles (NPs) were hydrothermally deposited on the surface of GIO, creating alpha-Fe2O3/GIO. The photocurrent density of alpha-Fe2O3/GIO in water splitting reactions reached 1.62 mA/cm(2) at 1.5 V vs RHE, which is 1.4 times greater than that of optimized alpha-Fe2O3. The EIS and IPCE data confirm reduced electronhole recombination and fast electron transfer processes due to the short distance between active materials and the conducting electrode in the alpha-Fe2O3/GIO system. Our result may pave the way for designing devices in advanced energy conversion applications as well as a high efficiency hematite-based PEC system. | - |
dc.language | English | - |
dc.publisher | AMER CHEMICAL SOC | - |
dc.subject | CONVERSION EFFICIENCY | - |
dc.subject | PHOTONIC CRYSTALS | - |
dc.subject | NANO-NETWORKS | - |
dc.subject | PHOTOANODES | - |
dc.subject | ALPHA-FE2O3 | - |
dc.subject | NANOPARTICLES | - |
dc.subject | OXIDATION | - |
dc.subject | CELLS | - |
dc.title | Hematite-Based Photoelectrochemical Water Splitting Supported by Inverse Opal Structures of Graphene | - |
dc.type | Article | - |
dc.identifier.wosid | 000347139400106 | - |
dc.identifier.scopusid | 2-s2.0-84919933381 | - |
dc.type.rims | ART | - |
dc.citation.volume | 6 | - |
dc.citation.issue | 24 | - |
dc.citation.beginningpage | 22634 | - |
dc.citation.endingpage | 22639 | - |
dc.citation.publicationname | ACS APPLIED MATERIALS & INTERFACES | - |
dc.identifier.doi | 10.1021/am506721a | - |
dc.contributor.localauthor | Kim, Jin-Baek | - |
dc.contributor.nonIdAuthor | Yoon, Ki-Yong | - |
dc.contributor.nonIdAuthor | Lee, Jung-Soo | - |
dc.contributor.nonIdAuthor | Kim, Kwanghyun | - |
dc.contributor.nonIdAuthor | Kim, Sun-I | - |
dc.contributor.nonIdAuthor | Jang, Ji-Hyun | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | water splitting | - |
dc.subject.keywordAuthor | hydrogen generation | - |
dc.subject.keywordAuthor | 3D graphene | - |
dc.subject.keywordAuthor | short hole diffusion length | - |
dc.subject.keywordAuthor | photoelectrochemical cells (PEC) | - |
dc.subject.keywordPlus | CONVERSION EFFICIENCY | - |
dc.subject.keywordPlus | PHOTONIC CRYSTALS | - |
dc.subject.keywordPlus | NANO-NETWORKS | - |
dc.subject.keywordPlus | PHOTOANODES | - |
dc.subject.keywordPlus | ALPHA-FE2O3 | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | OXIDATION | - |
dc.subject.keywordPlus | CELLS | - |
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