ISL OpenIR  > 青海盐湖研究所知识仓储
Phase Transformation and Morphology Evolution Characteristics of Hydrothermally Prepared Boehmite Particles
Hai, Chunxi1,2; Zhang, Lijuan1,2; Zhou, Yuan1,2; Ren, Xiufeng1,2; Liu, Jianghua3; Zeng, Jinbo1,2; Ren, Hongbo3
2018-05-01
Source PublicationJOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
Volume28Issue:3Pages:643-650
SubtypeArticle
AbstractUnder hydrothermal condition, benefiting from dehydration and in situ nucleation processes, well-crystallized 3-dimensional (3D) boehmite nanoparticles with an average diameter of around 400 nm was directly converted from gibbsite phase in aluminum oxyhydroxide powder without adding any kinds of other assistants. Through investigation the influences of different factors, it is concluded that, hydrothermal treating temperature, time and initial slurry pH play an important role in obtaining well-crystallized boehmite particles. Besides XRD and FE-SEM, TG/DTA, FT-IR and Raman spectra were also employed to follow and confirm the formation of boehmite, which is useful for optimizing the synthesis condition. Moreover, after the hydrothermal treatment under the optimum condition, because as-prepared 3D boehmite nanoparticles have abundant surface oxygen anionic vacancies (F and F+-centers), thus endowing it optical band gap around 5.41 eV. This technique is significant and useful for developing a new opportunity for large scale production of well-crystallized boehmite powder with high purity from aluminum oxyhydroxide powder.
KeywordHydrothermal Treating Boehmite Gibbsite Surface Defects Phase Transformation Optical Properties
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordGAMMA-ALUMINA ; ALOOH ; NANORODS ; ROUTE ; NANOFLAKES ; FABRICATION ; GIBBSITE ; METAL ; WATER ; SOL
Indexed BySCI
Language英语
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000430169600008
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6381
Collection青海盐湖研究所知识仓储
盐湖资源与化学实验室
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, 18th Xinning Rd, Xining 810008, Peoples R China
2.Key Lab Salt Lake Resources Chem Qinghai Prov, Xining, Qinghai, Peoples R China
3.Shengnuo Optoelect Technol QH Co Ltd, Xining 810000, Qinghai, Peoples R China
Recommended Citation
GB/T 7714
Hai, Chunxi,Zhang, Lijuan,Zhou, Yuan,et al. Phase Transformation and Morphology Evolution Characteristics of Hydrothermally Prepared Boehmite Particles[J]. JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS,2018,28(3):643-650.
APA Hai, Chunxi.,Zhang, Lijuan.,Zhou, Yuan.,Ren, Xiufeng.,Liu, Jianghua.,...&Ren, Hongbo.(2018).Phase Transformation and Morphology Evolution Characteristics of Hydrothermally Prepared Boehmite Particles.JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS,28(3),643-650.
MLA Hai, Chunxi,et al."Phase Transformation and Morphology Evolution Characteristics of Hydrothermally Prepared Boehmite Particles".JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS 28.3(2018):643-650.
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