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用于高氯酸铵热分解的还原氧化石墨烯与氢氧化钴（Co(OH)|rGO）的纳米杂化物。

Nanohybrids of reduced graphene oxide and cobalt hydroxide (Co(OH)|rGO) for the thermal decomposition of ammonium perchlorate.

作者信息

Abarca Gabriel, Ríos Paulina L, Povea Paula, Cerda-Cavieres Christopher, Morales-Verdejo Cesar, Arroyo Juan L, Camarada María B

机构信息

Universidad Bernardo OHiggins, Escuela de Obstetricia y Puericultura, Centro Integrativo de Biología y Química Aplicada (CIBQA) Santiago 8370993 Chile.

Centro de Nanotecnología Aplicada, Facultad de Ciencias, Universidad Mayor Santiago 8580745 Chile

出版信息

RSC Adv. 2020 Jun 17;10(39):23165-23172. doi: 10.1039/d0ra02853c. eCollection 2020 Jun 16.

DOI:10.1039/d0ra02853c
PMID:35520353
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9054725/
Abstract

The catalytic activity of nanoparticles of cobalt hydroxide supported on reduced graphene oxide, Co(OH)|rGO, was studied for the decomposition of ammonium perchlorate (AP), the principal ingredient of composite solid propellants. Co(OH)|rGO was synthesized by an reduction method, which avoided the application of extremely high temperatures and harsh processes. rGO stabilized the nanoparticles effectively and prevented their agglomeration. The performance of Co(OH)|rGO as a catalyst was measured by differential scanning calorimetry. Co(OH)|rGO affected the high-temperature decomposition (HTD) of AP positively, decreasing the decomposition temperature of AP to 292 °C, and increasing the energy release to 290 J g. The diminution of the HTD of AP by Co(OH)|rGO is in between the best values reported to date, suggesting its potential application as a catalyst for AP decomposition.

摘要

研究了负载在还原氧化石墨烯上的氢氧化钴纳米颗粒（Co(OH)|rGO）对复合固体推进剂的主要成分高氯酸铵（AP）分解的催化活性。Co(OH)|rGO通过还原法合成，避免了使用极高的温度和苛刻的工艺。还原氧化石墨烯有效地稳定了纳米颗粒并防止其团聚。通过差示扫描量热法测量了Co(OH)|rGO作为催化剂的性能。Co(OH)|rGO对AP的高温分解（HTD）有积极影响，将AP的分解温度降低到292°C，并将能量释放增加到290 J g。Co(OH)|rGO使AP的HTD降低的程度介于迄今报道的最佳值之间，表明其作为AP分解催化剂的潜在应用价值。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/d32f3532b2e1/d0ra02853c-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/28efb6d34257/d0ra02853c-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/192ffefef361/d0ra02853c-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/acc27d2aefea/d0ra02853c-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/d32f3532b2e1/d0ra02853c-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/28efb6d34257/d0ra02853c-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/6ba6b954f09f/d0ra02853c-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/486c4182b09f/d0ra02853c-f3.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/acc27d2aefea/d0ra02853c-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9446/9054725/d32f3532b2e1/d0ra02853c-f7.jpg

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