Quantification of geminate and non-geminate recombination losses within a solution-processed small-molecule bulk heterojunction solar cell.

Credgington, Dan; Jamieson, Fiona C; Walker, Bright; Nguyen, Thuc-Quyen; Durrant, James R · Adv Mater · 2012

basic_science · Level V

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Abstract

Direct measurements of the field-dependent efficiency with which electron-hole pairs are dissociated (1) can be combined with direct measurement of the carrier-density dependent rate at which they subsequently recombine (2) to determine the proportion of carriers which may be usefully extracted (3) for a class of solution-processed organic small-molecule bulk-heterojunction solar cells.

Medical subject headings