| 학회 |
한국고분자학회 |
| 학술대회 |
2010년 가을 (10/07 ~ 10/08, 대구 EXCO) |
| 권호 |
35권 2호 |
| 발표분야 |
고분자 가공/복합재료 |
| 제목 |
Preparation and electrocatalytic activity of gold nanoparticles immobilized onto the surface of mercaptobenzoyl-functionalized multi-walled carbon nanotubes |
| 초록 |
Multi-wall carbon nanotubes (MWCNTs) were functionalized with 4-mercaptobenzoic acid (MBAc) in a polyphosphoric acid (PPA)/phosphorous pentoxide (P2O5) to afford 4-mercaptobenzoyl-functionalized MWCNT (MB-MWCNT). Gold nanoparticles (GNPs), stabilized by trisodium citrate, were prepared from the in-situ reduction of HAuCl4 by sodium borohydride (NaBH4) in the presence of MB-MWCNT dispersed in ethanol. The morphology of resultant GNP/MB-MWCNT composite showed that GNPs were formed with an average diameter of 4.3 nm, and uniformly decorated on the surface of MB-MWCNTs. HR-TEM and XPS studies revealed that GNPs had well-defined crystal structure. Cyclic voltammetry results indicated significantly improved electrocatalytic activity and electrochemical stability of GNP/MB-MWCNT composite. |
| 저자 |
최현정, 전인엽, 백종범
|
| 소속 |
울산과학기술대 |
| 키워드 |
CNT; gold nanoparticle; composite
|
| E-Mail |
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