Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 5, Issue 7, Pages 7810-7818Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ee21587j
Keywords
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Funding
- Initiative for Sustainability and Energy at Northwestern University (ISEN)
- National Science Foundation (DMR) [CAREER 0955612, CMMI 1130407]
- Sony Corporation
- National Science Council (NSC), Taiwan [99-2221-E-001-012]
- Academia Sinica research program on nanoscience and nanotechnology
- Ryan Fellowship
- Northwestern University International Institute for Nanotechnology
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1130407] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0955612] Funding Source: National Science Foundation
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In this perspective, we describe a new type of photovoltaic all-carbon composites, in which single walled carbon nanotubes (SWCNTs) and fullerenes are directly co-assembled and processed in water using graphene oxide (GO) as a surfactant. Solar cells made with C-60/SWCNTs/reduced GO as the active layer and an additional evaporated C-60 blocking layer yield a power conversion efficiency of 0.21%, which can be significantly increased to 0.85% by replacing C-60 with the better absorber C-70. These results suggest the possibility of making a new generation of solution processed all-carbon solar cells, in which all the functional layers are made of graphitic nanomaterials.
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