期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 26, 页码 14501-14505出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b03990
关键词
conjugated oligoelectrolyte (COE); nanoparticles; polyhedral oligomeric silsesquioxanes (POSS); current generation; microbial fuel cells
资金
- Academic Research Fund from the Ministry of Education, Singapore [RG 133/14, ARC 20/12, ARC 2/13]
- CREATE program (Nanomaterials for Energy and Water Management) from the National Research Foundation
- New Initiative Fund from NTU, Singapore
- Singapore Centre on Environmental Life Sciences Engineering (SCELSE) [M4330001.C70.703012]
- School of Materials Science and Engineering [M020070110]
- NTU-National Healthcare Group (NTU-NHG) grant [ARG/14012]
- Ministry of Education of China [IRT1148]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Water-soluble conjugated oligoelectrolyte nanoparticles (COE NPs), consisting of a cage-like polyhedral oligomeric silsesquioxanes (POSS) core equipped at each end with pendant groups (oligo(p-phenylenevinylene) electrolyte, OPVE), have been designed and demonstrated as an efficient strategy in increasing the current generation in Escherichia coli microbial fuel cells (MFCs). The as-prepared COE NPs take advantage of the structure of POSS and the optical properties of the pendant groups, OPVE. Confocal laser scanning microscopy showed strong photoluminescence of the stained cells, indicating spontaneous accumulation of COE NPs within cell membranes. Moreover, the electrochemical performance of the COE NPs is superior to that of an established membrane intercommunicating COE, DSSN+ in increasing current generation, suggesting that these COE NPs thus hold great potential to boost the performance of MFCs.
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