New technique to study charge recombination in solar cells

HOT EES communication

The recombination of charges before they reach the electrode in a solar cell has been identified as one of the key reasons for a loss of efficiency in these systems. Tracey Clarke and coworkers have developed a new switch-based time resolved technique for studying the recombination process. This allowed the researchers to overcome the resistance-dependence limitations of typical time-of-flight experiments.

Read the full HOT EES communication:

Non-Langevin bimolecular recombination in a silole-based polymer:PCBM solar cell measured by time-resolved charge extraction and resistance-dependent time-of-flight techniques
Tracey M. Clarke, Jeff Peet, Patrick Denk, Gilles Dennler, Christoph Lungenschmied and Attila J. Mozer
DOI: 10.1039/C1EE02434E

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