Amorphous Silicon Solar Cells - Amorton
Amorton is Panasonic's world's first integrated (series-connectable) amorphous silicon solar cell, named by combining 'amorphous silicon' and 'photons' (particles of light). Unlike crystal silicon, amorphous silicon features irregular atomic arrangements, leading to more frequent photon-silicon atom 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 voltage design for diverse applications. They are sensitive to visible light wavelengths, making them suitable for light sensing applications.
Product Attributes
- Brand: Amorton (Panasonic)
- Material: Amorphous Silicon
- Origin: World's first integrated (series-connectable) amorphous silicon solar cell
Technical Specifications
| Feature | Description |
| Principle of Power Generation | Photovoltaic effect of semiconductors; generation of electrons and holes when exposed to light, collected at a p/n junction by an internal electric field. Electricity flows when an external load is connected. |
| 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 Conditions) | 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). Indoor: Offices/Conference rooms (300-600 lx), Restaurants/Coffee shops (75-150 lx), Indoor emergency staircases (<75 lx). |
| Spectral Sensitivity | Amorphous silicon solar cells provide light-sensing capability similar to the human eye, sensitive to wavelengths from about 400 to 700 nm. |
| Electrical Properties (General) | Current is proportional to area; voltage is proportional to the number of cells in series. Customizable voltage and current by adjusting 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 (under 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 (under AM-1.5, 100mW/, 25). |
Key Features & Advantages
| Feature | Description |
| Voltage Customization | Easy to create cells with various voltages by connecting multiple cells in series on a single substrate. |
| Variety of Shapes and Forms | Can be manufactured on substrates like stainless steel or plastic films, enabling round, square, or bent solar cells. Areas can be etched to be transparent glass. |
| High Sensitivity | High sensitivity within the visible light spectrum, similar to the human eye, allowing use as visible light sensors. |
| Thin and Lightweight | Ultrathin films (less than 1 m) can be produced. |
Applications
| Category | Examples |
| Indoor Use | Wristwatches / Clocks / Wall clocks, Calculators, Energy-harvesting equipment, Wireless sensor networks / RFID tags / RF remote controls, Power sources for multiple cards attached to displays, Power sources of wearable terminals, Toys, e-books, IoT devices, Human body sensors, Temperature & humidity sensors. |
| Outdoor Use | Garden lights, sensor lights, LED blinkers (curbstone markers), Car accessories and battery chargers, Security devices, Power sources for other electric equipment and digital displays, Reduction of battery replacements and extension of battery life for appliances using dry cells and coin batteries. |
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