News

Happy Birthday!

20 January 2023

Congratulations to Prof Sir Richard Friend, who celebrated his birthday earlier this week!

Soft materials research

23 May 2022

Several researchers in the Optoelectronics group will be participating in a new EPSRC research initiative between Cambridge and Oxford, into 'soft' energy materials.

OE/ME Spring School 2022

25 March 2022

With restrictions relaxed, and the weather improving, we had a fantastic day of talks for our Spring School at Wolfson, followed by the group's delayed Christmas meal at Churchill. Two years ago Covid struck and put our plans on hold.

Abe Yoffe

24 March 2022

We were sorry to hear this week that Dr Abe Yoffe has died, at the age of 102. Many members of Optoelectronics (and PCS group, before that) will remember his support, which continued long after his official retirement. His statue still looks at us in the Kapitza Building.

Perovskites in the news

24 November 2021

This week's Independent newpaper has an article on Perovskite solar cells that describes how chemical disorder can play a key role in device efficiency. Understanding the principles will also help to design Light Emitting Diodes and detectors made with the same materials.

Design rules may help to achieve more than 20% efficiency in organic solar cells

12 October 2021

Coworkers from around the world suggest that new design rules can help control non-radiative pathways for energy loss in organic semiconductor photovoltaic cells. Understanding triplet formation and donor-acceptor hybridisation of orbital wavefunctions is key to achieving devices that approach the theoretical maximum.

Improving efficiency of OLEDs

27 July 2021

Go 'Behind the paper' for our recent Nature Communications article on investigating Thermally Activated Delayed Fluorescence

Exciton Insulators

21 July 2021

We find evidence for 'Excitonic Insulators', using ultrafast pump-probe laser microscopy, in a collaboration with groups around the world.

Looking at lithium ion batteries

7 July 2021

Interferometric scattering microscopy (iSCAT) is used to look at transport processes inside batteries, in a collaboration between the Chemistry and Physics Departments. It will help us to explore the fundamental limits in charge and discharge rates in working batteries.

Doping Perovskites

10 June 2021

Manganese-doping of perovskite nanocrystals increases their luminescence yields due to an unexpected enhancement of radiative recombination rates. The results demonstrate how transition-metal doping provides precise control of electronic structure and exciton dynamics in metal-halide perovskite nanocrystals and it opens a...

Happy Birthday!

Soft materials research

OE/ME Spring School 2022

Abe Yoffe

Perovskites in the news

Design rules may help to achieve more than 20% efficiency in organic solar cells

Improving efficiency of OLEDs

Exciton Insulators

Looking at lithium ion batteries

Doping Perovskites

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