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Solubility and crystallographic facet tailoring of (GaN)(1-x)(ZnO)(x) pseudobinary solid-solution nanostructures as promising photocatalysts
Li, Jing; Liu, Baodan; Yang, Wenjin; Cho, Yujin; Zhang, Xinglai; Dierre, Benjamin; Sekiguchi, Takashi; Wu, Aimin; Jiang, Xin; baodanliu@hotmail.com; xjiang@imr.ac.cn
2016
Source PublicationNANOSCALE
ISSN2040-3364
Volume8Issue:6Pages:3694-3703
Abstract(GaN)(1-x)(ZnO)(x) solid-solution nanostructures with superior crystallinity, large surface areas and visible light absorption have been regarded as promising photocatalysts for overall water splitting to produce H-2. In this work, we report the preparation of (GaN)(1-x)(ZnO)(x) solid-solution nanorods with a high ZnO solubility up to 95% via a two-step synthetic route, which starts from a sol-gel reaction and follows with a nitridation process. Moreover, we clearly demonstrated that the crystallographic facets of (GaN)(1-x)(ZnO)(x) solid-solution nanorods can be finely tailored from non-polar {10 (1) over bar0} to semipolar {10 (1) over bar1} and then finally to mixed {10 (1) over bar1} and polar {000 (1) over bar} by carefully controlling the growth temperature and nitridation time. Correspondingly, the ZnO content in the GaN lattice can be achieved in the range of similar to 25%-95%. Room-temperature cathodoluminescence (CL) measurements on the three types of (GaN)(1-x)(ZnO)(x) solid-solution nanorods indicate that the minimum band-gap of 2.46 eV of the solid-solution nanorods is achieved under a ZnO solubility of 25%. The efficiency and versatility of our strategy in the band-gap and facet engineering of (GaN)(1-x)(ZnO)(x) solid-solution nanorods will enhance their promising photocatalytic utilizations like an overall water splitting for H-2 production under visible-light irradiation.
description.department[li, jing ; liu, baodan ; yang, wenjin ; zhang, xinglai ; jiang, xin] chinese acad sci, inst met res, shenyang natl lab mat sci synl, shenyang 110016, peoples r china ; [li, jing ; wu, aimin] dalian univ technol, sch mat sci & engn, dalian 116024, peoples r china ; [cho, yujin ; dierre, benjamin ; sekiguchi, takashi] natl inst mat sci, nanoelect mat unit, tsukuba, ibaraki 3050044, japan
Funding OrganizationInstitute of Metal Research [Y2NCA111A1, Y3NCA111A1]; Youth Innovation Promotion Association, Chinese Academy of Sciences [Y4NC711171]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75122
Collection中国科学院金属研究所
Corresponding Authorbaodanliu@hotmail.com; xjiang@imr.ac.cn
Recommended Citation
GB/T 7714
Li, Jing,Liu, Baodan,Yang, Wenjin,et al. Solubility and crystallographic facet tailoring of (GaN)(1-x)(ZnO)(x) pseudobinary solid-solution nanostructures as promising photocatalysts[J]. NANOSCALE,2016,8(6):3694-3703.
APA Li, Jing.,Liu, Baodan.,Yang, Wenjin.,Cho, Yujin.,Zhang, Xinglai.,...&xjiang@imr.ac.cn.(2016).Solubility and crystallographic facet tailoring of (GaN)(1-x)(ZnO)(x) pseudobinary solid-solution nanostructures as promising photocatalysts.NANOSCALE,8(6),3694-3703.
MLA Li, Jing,et al."Solubility and crystallographic facet tailoring of (GaN)(1-x)(ZnO)(x) pseudobinary solid-solution nanostructures as promising photocatalysts".NANOSCALE 8.6(2016):3694-3703.
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