Bacterial Cellulose Supported Gold Nanoparticles with Excellent Catalytic Properties
文献类型：期刊论文
| 作者 | Chen, Meiyan1,2; Kang, Hongliang2; Gong, Yumei1; Guo, Jing1; Zhang, Hong1; Liu, Ruigang2 |
| 刊名 | ACS APPLIED MATERIALS & INTERFACES
 |
| 出版日期 | 2015-10-07 |
| 卷号 | 7期号:39页码:21717-21726 |
| 关键词 | bacterial cellulose surface modification gold nanoparticles amidoxime nanohybrids catalysis reducing reaction |
| 英文摘要 | Amidoxime surface functionalized bacterial cellulose (AOBC) has been successfully prepared by a simple two-step method without obviously changing the morphology of bacterial cellulose. AOBC has been used as the reducing agent and carrier for the synthesis of gold nanopartides (AuNPs) that distributed homogeneously on bacterial cellulose surface. Higher content in amidoxime groups in AOBC is beneficial for the synthesis of AuNPs with smaller and more uniform size. The AuNPs/AOBC nanohybrids have excellent catalytic activity for reduction of 4nitrophenol (4-NP) by using NaBH4. It was found that catalytic activity of AuNPs/AOBC first increases with increasing NaBH4 concentration and temperature, and then leveled off at NaBH4 concentration above 238 mM and temperature above 50 degrees C. Moreover, AuNPs with smaller size have higher catalytic activity. The highest apparent turnover frequency of AuNPs/AOBC is 1190 h(-1). The high catalytic activity is due to the high affinity of 4-NP with AuNPs/AOBC and the reduced product 4-aminophenol has good solubility in water in the presence of AuNPs/AOBC. The catalytic stability of the AuNPs/AOBC was estimated by filling a fluid column contained AuNPs/AOBC and used for continuously catalysis of the reduction of 4-NP by using NaBH4. The column works well without detection of 4-NP in the eluent after running for more than two months, and it is still running. This work provides an excellent catalyst based on bacterial cellulose stabilized AuNPs and has promising applications in industry. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2015-11-17 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/28886]  |
| 专题 | 化学研究所_高分子物理与化学实验室 |
| 作者单位 | 1.Dalian Polytech Univ, Sch Text & Mat Engn, Dalian 116034, Peoples R China 2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Sate Key Lab Polymer Phys & Chem, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Meiyan,Kang, Hongliang,Gong, Yumei,et al. Bacterial Cellulose Supported Gold Nanoparticles with Excellent Catalytic Properties[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(39):21717-21726. |
| APA | Chen, Meiyan,Kang, Hongliang,Gong, Yumei,Guo, Jing,Zhang, Hong,&Liu, Ruigang.(2015).Bacterial Cellulose Supported Gold Nanoparticles with Excellent Catalytic Properties.ACS APPLIED MATERIALS & INTERFACES,7(39),21717-21726. |
| MLA | Chen, Meiyan,et al."Bacterial Cellulose Supported Gold Nanoparticles with Excellent Catalytic Properties".ACS APPLIED MATERIALS & INTERFACES 7.39(2015):21717-21726. |
入库方式： OAI收割
来源：化学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。