black phosphorus

What are the Key Properties of Black Phosphorus?

1. Layer-dependent Bandgap: Unlike graphene, black phosphorus has a bandgap that varies from about 0.3 eV in bulk form to 2 eV in monolayer form. This tunable bandgap is crucial for designing semiconductor devices.
2. High Carrier Mobility: Black phosphorus exhibits high carrier mobility, which is essential for high-speed electronics.
3. Anisotropic Properties: Its properties vary significantly along different crystallographic directions, which can be advantageous for designing anisotropic nanodevices.
4. Strong Light Absorption: It absorbs a broad spectrum of light, making it suitable for photodetectors and solar cells.

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