Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 118, Issue 27, Pages 14813-14823Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp503578g
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Funding
- Engineering and Physical Sciences Research Council [EP/G031088/1]
- Natural Sciences and Engineer Research Council (NSERC)
- Engineering and Physical Sciences Research Council [EP/G031088/1] Funding Source: researchfish
- EPSRC [EP/G031088/1] Funding Source: UKRI
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In this paper, we discuss the use of the typical electron-donor (donor) material boron subphthalocyanine chloride (Cl-BsubPc) and a chlorinated derivative (hexachloro boron subphthalocyanine chloride, Cl-Cl(6)BsubPc) to act as electron-accepting (acceptor) materials and as replacements for Cap when coupled with tetracene and pentacene as the electron-donor materials in organic photovoltaics (OPVs). A large decrease in photocurrent was observed when C-60 was replaced in the pentacene OPVs, although there was evidence of the harvesting of some triplets for the pentacene/Cl-Cl(6)BsubPc OPV. Large increases in V-oc, and stability were observed. Photoluminescence quenching, electron mobilities, and photovoltaic device characteristics are also presented and indicate the ambipolar quality of these small molecule organic semiconductors.
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