Read article: ‘Nanorefrigerator’ is cooled using sunlight Structure and dynamics Research update ‘Nanorefrigerator’ is cooled using sunlight Quantum dots get electrons hopping
Read article: Reeling in cheap plastic solar film Transport properties Research update Reeling in cheap plastic solar film UK start-up creates printable, thin-film solar cells
Read article: LED converts heat into light Semiconductors and electronics Research update LED converts heat into light Device has an "efficiency" of greater than 200%
Read article: Could graphynes be better than graphene? Transport properties Research update Could graphynes be better than graphene? 2D carbon-based materials could have exotic electronic properties
Read article: Optical fibres with integrated semiconductor junctions developed Transport properties Research update Optical fibres with integrated semiconductor junctions developed New fibre could lead to seamless optical-communication systems
Read article: Vertical graphene transistor avoids leakage Transport properties Research update Vertical graphene transistor avoids leakage New device can be switched on and off
Read article: Nanotube bundles could boost solar cells Transport properties Research update Nanotube bundles could boost solar cells Material performs the two important steps for generating current
Read article: Ohm’s law holds down to atomic scale Transport properties Research update Ohm’s law holds down to atomic scale Wire just four atoms thick eschews quantum effects
Read article: New ink prints graphene electronics Transport properties Research update New ink prints graphene electronics Inkjet process makes better flexible transistors
Read article: Laser puts a new spin on light Transport properties Research update Laser puts a new spin on light Ultrafast pulses could boost optical telecoms
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays