Amorphous Silicon Solar Cells - Amorton
Amorton is Panasonic's brand of amorphous silicon solar cells, the world's first integrated (series-connectable) amorphous silicon solar cell. Unlike crystal silicon, amorphous silicon features irregular atomic arrangements, leading to more frequent photon-silicon interactions and higher light absorption. This allows for the production of ultrathin films (less than 1 m) for power generation. Amorton cells can be manufactured with various voltages by connecting multiple cells in series on a single substrate, offering flexibility in design for diverse applications. They are sensitive to visible light wavelengths, making them suitable for both power generation and light sensing.
Product Attributes
- Brand: Amorton (Panasonic)
- Material: Amorphous Silicon
- Origin: Developed using decomposed material gases to form a film on top of substrates.
Technical Specifications
| Specification | Description |
|---|---|
| Principle of Power Generation | Photovoltaic effect of semiconductors; generation of electrons and holes when exposed to light, collected by internal electric field at a p/n junction, and electricity flows through an external load. |
| Manufacturing Process (Glass Substrate Example) | Transparent electrode formation, amorphous silicon film layering, metal film electrode formation, protective film covering. Patterning technology allows for multiple series-connected cells on a single substrate. |
| Cell Connection Structure | Integrated amorphous silicon solar cells (Type II connection) vs. Crystalline silicon solar cells (severed and connected). |
| Light Source Categories | Sunlight (AM-0, AM-1, AM-1.5), Artificial light (Incandescent, Fluorescent, Electric discharge lamps, LEDs). |
| Standard Test Conditions (STC) | Solar irradiance: 1000W/, Spectrum: AM-1.5, Cell temperature: 25. |
| Illumination Levels (Reference) | Indoor: Offices (300-600 lx), Restaurants (75-150 lx), Emergency staircases (<75 lx). Outdoor: Sunny Noon (100,000 lx), Sunny 10:00 a.m. (65,000 lx), Sunny 3:00 p.m. (35,000 lx), Cloudy Noon (32,000 lx). |
| Spectral Sensitivity | Similar to human eye sensitivity within the visible light spectrum (approx. 400-700 nm). |
| Electrical Properties (General) | Current is proportional to cell area; voltage is proportional to the number of series-connected cells. Properties adjustable by changing cell number and area. |
| Electrical Properties (Outdoor Use - Glass Type) | Open-circuit voltage: 0.89V/cell, Short-circuit current: 14.8mA/c, Maximum power: 7.89mW/c (Light source: AM-1.5, 100mW/, 25). |
| Electrical Properties (Outdoor Use - Film Type) | Open-circuit voltage: 0.82V/cell, Short-circuit current: 12.0mA/c, Maximum power: 5.6mW/c (Light source: AM-1.5, 100mW/, 25). |
| Substrate Types | Glass, Stainless steel, Film. |
| Features | Copes with required drive voltage (integrated series connection), Variety of shapes and forms (round, square, bent, arbitrary shapes), High sensitivity within visible light spectrum. |
| Applications | Wristwatches, Calculators, Energy-harvesting equipment, Wireless sensor networks, RFID tags, RF remote controls, Wearable terminals, Toys, e-books, Garden lights, Car accessories, Security devices, IoT, Human body sensors, Temperature & humidity sensors. |
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