Polyacetylene, (CH)/sub x/, as an emerging material for solar cell applications. Technical progress report, April-June, 1979
The potential of (CH)/sub x/ as a photosensitive material for use in solar cell applications is studied. Schottky barrier photovoltaic cells were fabricated with metallic AsF/sub 5/-doped (CH)/sub x/ on semiconducting n-Si and n-GaAs, with metallic Na-doped (CH)/sub x/ on semiconducting p-Si, with K-doped (CH)/sub x/ as an n-type semiconductor in contact with an electronegative metal (Au), and with undoped trans-(CH)/sub x/ as a p-type semiconductor in contact with electropositive metals (Na, Hg, In and Sn). The variation of barrier heights in metallic AsF/sub 5/-, PF/sub 5/-, and BF/sub 3/-doped (CH)/sub x/ in contact with n-type semiconducting Si was studied. p-n heterojunction solar cells were fabricated with undoped (CH)/sub x/ on ZnS. Open circuit photovoltage was 0.8 V; short circuit current was limited by series resistance. The agreement in spectral response obtained from photoconductivity and photovoltaic effect has shown that the carriers are produced in the (CH)/sub x/ and that the band gap is indeed approx. 1.5 eV. Trapping effects have been identified. Work on the construction of a (CH)/sub x/ field effect transistor is progressing. This device will be used to obtain the majority carrier mobility. (WHK)
- Research Organization:
- Univ. of Pennsylvania, Philadelphia, PA (United States)
- DOE Contract Number:
- AC04-79ET23002
- OSTI ID:
- 5747373
- Report Number(s):
- DOE/ET/23002-T2
- Country of Publication:
- United States
- Language:
- English
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Polyacetylene, (CH)/sub x/, as an emerging material for solar cell applications. Technical progress report, October, November, December 1979
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Related Subjects
ALKYNES
ORGANIC SOLAR CELLS
RESEARCH PROGRAMS
EFFICIENCY
ELECTRICAL PROPERTIES
ENERGY GAP
FILMS
GALLIUM ARSENIDES
P-N JUNCTIONS
PHOTOVOLTAIC EFFECT
POLYMERIZATION
SCHOTTKY BARRIER DIODES
SEMICONDUCTOR JUNCTIONS
SILICON
SPECTRAL RESPONSE
TRAPPING
ARSENIC COMPOUNDS
ARSENIDES
CHEMICAL REACTIONS
DIRECT ENERGY CONVERTERS
ELEMENTS
EQUIPMENT
GALLIUM COMPOUNDS
HYDROCARBONS
JUNCTIONS
ORGANIC COMPOUNDS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
PNICTIDES
SEMICONDUCTOR DEVICES
SEMICONDUCTOR DIODES
SEMIMETALS
SOLAR CELLS
SOLAR EQUIPMENT
140501* - Solar Energy Conversion- Photovoltaic Conversion