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- Title
Hybrid Heterojunction and Solid-State Photoelectrochemical Solar Cells.
- Authors
Li, Xiao; Zang, Xiaobei; Li, Xinming; Zhu, Miao; Chen, Qiao; Wang, Kunlin; Zhong, Minlin; Wei, Jinquan; Wu, Dehai; Zhu, Hongwei
- Abstract
A hybrid heterojunction and solid-state photoelectrochemical solar cell based on graphene woven fabrics (GWFs) and silicon is designed and fabricated. The GWFs are transferred onto n-Si to form a Schottky junction with an embedded polyvinyl alcohol based solid electrolyte. In the hybrid solar cell, solid electrolyte serves three purposes simutaneously; it is an anti-reflection layer, a chemical modification carrier, and a photoelectrochemical channel. The open-circuit voltage, short-circuit current density, and fill factor are all significantly improved, achieving an impressive power conversion efficiency of 11%. Solar cell models are constructed to confirm the hybrid working mechanism, with the heterojunction junction and photoelectrochemical effect functioning synergistically.
- Subjects
HETEROJUNCTIONS; GRAPHENE; SILICON; POLYVINYL alcohol; ELECTROLYTES
- Publication
Advanced Energy Materials, 2014, Vol 4, Issue 14, pn/a
- ISSN
1614-6832
- Publication type
Article
- DOI
10.1002/aenm.201400224