2016
DOI: 10.1021/acsami.6b00561
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Syntheses, Charge Separation, and Inverted Bulk Heterojunction Solar Cell Application of Phenothiazine–Fullerene Dyads

Abstract: A series of phenothiazine-fulleropyrrolidine (PTZ-C60) dyads having fullerene either at the C-3 aromatic ring position or at the N-position of phenothiazine macrocycle were newly synthesized and characterized. Photoinduced electron transfer leading to PTZ(•+)-C60(•-) charge-separated species was established from studies involving femtosecond transient absorption spectroscopy. Because of the close proximity of the donor and acceptor entities, the C-3 ring substituted PTZ-C60 dyads revealed faster charge separat… Show more

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Cited by 42 publications
(27 citation statements)
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“…Nevertheless, considering its inexpensive commercial availability, P3HT has not still lost its value in OPV researches 28 and widely used in tandem devices to achieve high PCE values [29][30][31] and in model systems to investigate the device mechanisms. [32][33][34][35][36][37] In this study, we utilized the highly crystalline P3HT as an electron donor polymer and a-, b-, and mix-[70]PCBM as an electron acceptor to examine the regioisomer effect of [70]PCBM on OPV device performances. Systematic investigations of regioisomer effects on structures and electronic properties of the P3HT:[70]PCBM blend lms were also conducted.…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, considering its inexpensive commercial availability, P3HT has not still lost its value in OPV researches 28 and widely used in tandem devices to achieve high PCE values [29][30][31] and in model systems to investigate the device mechanisms. [32][33][34][35][36][37] In this study, we utilized the highly crystalline P3HT as an electron donor polymer and a-, b-, and mix-[70]PCBM as an electron acceptor to examine the regioisomer effect of [70]PCBM on OPV device performances. Systematic investigations of regioisomer effects on structures and electronic properties of the P3HT:[70]PCBM blend lms were also conducted.…”
Section: Introductionmentioning
confidence: 99%
“…Amongst the eminent subjects of the current worldwide research, study on donor-acceptor molecular assemblies is of central topics for light-to-electricity and light to fuel conversion as well as for the purpose of investigation on artificial photosynthetic systems [1][2][3][4][5]. In molecular systems combining various donors and [60]Fullerene acceptors, photoinduced electron transfer and energy transfer have been widely investigated applying mainly their electrochemical and photophysical properties [6][7][8][9].…”
Section: Introductionmentioning
confidence: 99%
“…While the former gives regioregular polymers, the latter is of interest as it is metal‐free. Similarly, a lot of work has gone into developing dyads and triads of C 60 with dyes such as diketopyrrolopyrrole (DPP), phenothiazine, perylene and porphyrin for OPVs. DPP is of particular interest because of its high stability, its ability to raise the V oc of solar cells and its good charge mobility .…”
Section: Introductionmentioning
confidence: 99%