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Synthesis of nanostructured gamma-AlOOH and its accelerating behavior on the thermal decomposition of AP
Zhang, Hailin1,2; Li, Ping1; Cui, Wenwen1,2; Liu, Chuang1; Wang, Shulei1,2; Zheng, Shili1; Zhang, Yi1
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:32Pages:27235-27241
Abstract

The hydrothermal treatment of gamma-AlOOH agglomerates was introduced to synthesize nanostructured gamma-AlOOH. Various characterizations were carried out to understand the synthesis procedure and the relationship between the shape of gamma-AlOOH and its accelerating behavior for the thermal decomposition of ammonium perchlorate (AP). XRD, SEM and HRTEM showed that the gamma-AlOOH nanoplates, nanorods and nanocubes with exposed (031), (110) and (001) facets, respectively, could be synthesized under controllable conditions. The DSC results showed that the addition of gamma-AlOOH nanoplates, nanorods and nanocubes to AP remarkably decreased the decomposition temperature of AP from approximately 450 degrees C to 334 degrees C, 345 degrees C, and 357 degrees C, respectively. As the preferred additive, the gamma-AlOOH nanoplate addition resulted in a decrease in the activation energy of AP from 346.29 kJ mol(-1) to 144.73 kJ mol(-1), determined by nonisothermal kinetic analysis. XRD, FT-IR and XPS results revealed that the gamma-AlOOH phase transformed to gamma-Al2O3 and alpha-AlOOH after being used as an additive for the AP decomposition; the excessive surface hydroxyls obtained by the exposed (031) facet of gamma-AlOOH nanoplates, proved to be beneficial for accelerating AP decomposition.

KeywordAmmonium-perchlorate Catalytic-activity Nanoparticles Boehmite Surface Adsorption Oxides
SubtypeArticle
Subject AreaChemistry, Multidisciplinary ; Chemistry
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra27838d
URL查看原文
Indexed BySCI
Language英语
WOS KeywordAmmonium-perchlorate ; Catalytic-activity ; Nanoparticles ; Boehmite ; Surface ; Adsorption ; Oxides
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
Funding OrganizationNational Nature Science Foundation of China(51574212 ; U1403195)
WOS IDWOS:000372253700097
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20711
Collection研究所(批量导入)
Corresponding AuthorLi, Ping
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Hailin,Li, Ping,Cui, Wenwen,et al. Synthesis of nanostructured gamma-AlOOH and its accelerating behavior on the thermal decomposition of AP[J]. RSC ADVANCES,2016,6(32):27235-27241.
APA Zhang, Hailin.,Li, Ping.,Cui, Wenwen.,Liu, Chuang.,Wang, Shulei.,...&Zhang, Yi.(2016).Synthesis of nanostructured gamma-AlOOH and its accelerating behavior on the thermal decomposition of AP.RSC ADVANCES,6(32),27235-27241.
MLA Zhang, Hailin,et al."Synthesis of nanostructured gamma-AlOOH and its accelerating behavior on the thermal decomposition of AP".RSC ADVANCES 6.32(2016):27235-27241.
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