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Facile solid-phase synthesis of the diammoniate of diborane and its thermal decomposition behavior
Fang, Zhanzhao; Luo, Junhong; Kang, Xiangdong; Xia, Haijie; Wang, Sisheng(王思胜); Wen, Wen(文闻); Zhou, Xingtai(周兴泰); Wang, Ping
2011
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Volume13Issue:16Pages:7508
AbstractThe recent mechanistic finding of the hydrogen release pathways from ammonia borane (AB) has sparked new interest in the chemistry and properties of the diammoniate of diborane (DADB), an ionic isomer of AB. We herein report a facile one-step solid-phase synthesis route of DADB using inexpensive starting materials. Our study found that mechanically milling a 1 : 1 NaBH(4)/NH(4)F powder mixture causes the formation of crystalline DADB via a NH(4)BH(4) intermediate. The produced DADB can be readily separated from the sodium fluoride (NaF) by-product by a purification procedure using liquid ammonia at -78 degrees C. The thermal decomposition behavior of DADB was studied using synchronous thermal analyses, particularly in comparison with AB. It was found that the decomposition steps and products of DADB are similar to those of AB. But meanwhile, DADB exhibits a series of advantages over AB that merit its potential hydrogen storage application, such as lower dehydrogenation temperature, free of foaming and lack of an induction period in the thermal decomposition process. Our study further found that the volatile non-hydrogen products from DADB can be effectively suppressed by milling with MgH(2).
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000289203800029
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12860
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Fang, Zhanzhao,Luo, Junhong,Kang, Xiangdong,et al. Facile solid-phase synthesis of the diammoniate of diborane and its thermal decomposition behavior[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2011,13(16):7508.
APA Fang, Zhanzhao.,Luo, Junhong.,Kang, Xiangdong.,Xia, Haijie.,Wang, Sisheng.,...&Wang, Ping.(2011).Facile solid-phase synthesis of the diammoniate of diborane and its thermal decomposition behavior.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,13(16),7508.
MLA Fang, Zhanzhao,et al."Facile solid-phase synthesis of the diammoniate of diborane and its thermal decomposition behavior".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 13.16(2011):7508.
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