Scientists discover photovoltaic nanotubes

An international team of researchers led by the University of Tokyo has discovered a new material which, when rolled into a nanotube, generates an electric current if exposed to light. If magnified and scaled up, say the scientists, the technology could be used in future high-efficiency solar devices.Scientists investigating various functions for a semiconductor nanotube have discovered one such material - made from tungsten disulfide - exhibits the bulk photovoltaic effect (BPVE) at an efficiency far higher than in other materials known to exhibit the phenomenon. BPVE occurs when a current is ...

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