| 학회 |
한국화학공학회 |
| 학술대회 |
2018년 가을 (10/24 ~ 10/26, 대구 EXCO) |
| 권호 |
24권 2호, p.1793 |
| 발표분야 |
재료(Materials) |
| 제목 |
Seed-mediated growth of gold nanoparticles adsorbed onto carbon felt substrate for yeast-based MFC |
| 초록 |
In this work, gold nanoparticle growth on polyethylenimine (PEI) functionalized carbon felt (CF) substrate-bound seeds, with and without a surfactant ligand aid, in aqueous solution at room temperature is explored. Rough, irregularly shaped, and wide-spread gold nanocrystals and nanoflowers structures were developed atop gold seeds on the hydrophilic CF-PEI fibres. Nanoparticle growth was performed with a gold salt reducer, nanoparticle initiator, and a strong ligand with no agitation. The dependence on growth time and amount of ligand, 4-mercaptobenzoic acid (MBA), are explored. Gold nanoparticle structures are examined through XPS, HR-SEM; attachment of yeast and microbial fuel cell (MFC) viability are explored through CV and EIS. The optimization of the redox reaction of chloroauric and L-ascorbic acid for the growth of nanoparticles through the analyses showed both favourable and unfavourable conditions for yeast biofilm inhabitancy. Results demonstrated a relationship between surface chemical compositions and effective yeast active-surface coverage on modified carbon felts. |
| 저자 |
Duarte Kimberley1, Frattini Domenico1, Christwardana Marcelinus1, Accardo Grazia2, 윤성필2, 권용재3
|
| 소속 |
1Seoul National Univ. of Science and Technology, 2한국과학기술(연), 3서울과학기술대 |
| 키워드 |
화공소재 전반 |
| E-Mail |
|
| 원문파일 |
초록 보기 |
