Direct determination of quantum efficiency of semiconducting films
Patent
·
OSTI ID:5333100
Photovoltaic quantum efficiency of semiconductor samples is determined directly, without requiring that a built-in photovoltage be generated by the sample. Electrodes are attached to the sample so as to form at least one Schottky barrier therewith. When illuminated, the generated photocurrent carriers are collected by an external bias voltage impressed across the electrodes. The generated photocurrent is measured, and photovoltaic quantum efficiency is calculated therefrom.
- DOE Contract Number:
- AC02-77CH00178
- Assignee:
- EDB-84-034718
- Patent Number(s):
- None
- Application Number:
- ON: DE84005989
- OSTI ID:
- 5333100
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CURRENTS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
EQUIPMENT
MATERIALS
MEASURING METHODS
PHOTOCURRENTS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
QUANTUM EFFICIENCY
SCHOTTKY BARRIER SOLAR CELLS
SEMICONDUCTOR MATERIALS
SOLAR CELLS
SOLAR EQUIPMENT
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
CURRENTS
DIRECT ENERGY CONVERTERS
EFFICIENCY
ELECTRIC CURRENTS
EQUIPMENT
MATERIALS
MEASURING METHODS
PHOTOCURRENTS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
QUANTUM EFFICIENCY
SCHOTTKY BARRIER SOLAR CELLS
SEMICONDUCTOR MATERIALS
SOLAR CELLS
SOLAR EQUIPMENT