A lactam building block for efficient polymer solar cells

Cao, Jiamin; Liu, Qian; Lu, Futai; Zhang, Jianqi; Feng, Yaqing; Qiu, Xiaohui; Yip, Hin‐Lap; Ding, Liming

doi:10.1039/c5cc03620h

Cited by 72 publications

(51 citation statements)

References 27 publications

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“…Notice that the ultrasonic bath of PEN substrates was controlled within 5 min. The single-junction cells of the PThBDTP:PC 71 BM and DPPEZnP-TEH:PC 61 BM were fabricated according to previous reports [ 39,40 ] except that PF3N-2TNDI was used as the cathode interlayer and Ag (100 nm) was used as the cathode. In the case of DPPEZnP-TEH:PC 61 BM, some samples were treated with solvent vapor by storing the samples in a chloroform-containing Petri dish for 30 s to complete the solvent annealing process.…”

Section: Methodsmentioning

confidence: 99%

“…A 2 nm Ag fi lm was deposited to further improve the recombination property at the ETL/HTL interface. A wide bandgap PThBDTP:PC 71 BM [ 39 ] sub-cell (sub-cell 1) and a narrow bandgap DPPEZnP-TEH:PC 61 BM [ 40 ] sub-cell (sub-cell 2) were chosen to construct the tandem OSC as they show complementary absorption and also both of them can produce single-junction cells with high effi ciency. The tandem OSC structure is ITO/PEDOT:PSS/sub-cell 1/PF3N-2TNDI/ Ag(2 nm)/PEDOT:PSS/sub-cell 2/PF3N-2TNDI/Ag.…”

Section: Doi: 101002/adma201506270mentioning

confidence: 99%

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High‐Performance Polymer Tandem Solar Cells Employing a New n‐Type Conjugated Polymer as an Interconnecting Layer

et al. 2016

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Section: Methodsmentioning

confidence: 99%

Section: Doi: 101002/adma201506270mentioning

confidence: 99%

High‐Performance Polymer Tandem Solar Cells Employing a New n‐Type Conjugated Polymer as an Interconnecting Layer

et al. 2016

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“…PThBDTP was homemade and its synthesis has been described previously23. PC 71 BM (ADS71BFA) was purchased from American Dye Source and PFN was purchased from 1-material, both of them were used as received.…”

Section: Methodsmentioning

confidence: 99%

“…In this paper employing a high-performance donor PThBDTP23, we fabricated ITO/PEDOT:PSS/PThBDTP:PC 71 BM (phenyl-C71-butyric acid methyl ester)/Al based solar cells with three different surface treatments for the blend film: 1) directly deposit Al cathode on the film (the Al device). 2) spin a drop of methanol liquid on the film and then deposit Al cathode (the methanol/Al device).…”

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confidence: 99%

Temperature-dependent Schottky barrier in high-performance organic solar cells

Qing

et al. 2017

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Organic solar cells (OSCs) have attracted great attention in the past 30 years, and the power conversion efficiency (PCE) now reaches around 10%, largely owning to the rapid material developments. Meanwhile with the progress in the device performance, more and more interests are turning to understanding the fundamental physics inside the OSCs. In the conventional bulk-heterojunction architecture, only recently it is realized that the blend/cathode Schottky junction serves as the fundamental diode for the photovoltaic function. However, few researches have focused on such junctions, and their physical properties are far from being well-understood. In this paper based on PThBDTP:PC71BM blend, we fabricated OSCs with PCE exceeding 10%, and investigated temperature-dependent behaviors of the junction diodes by various characterization including current-voltage, capacitance-voltage and impedance measurements between 70 to 290 K. We found the Schottky barrier height exhibits large inhomogeneity, which can be described by two sets of Gaussian distributions.

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“…[1][2][3][4][5][6][7][8][9][10][11][12] The combination of these merits render OSCs suitable as low-cost power sources for portable electronic devices, like displays and other wearable electronic devices. [1][2][3][4][5][6][7][8][9][10][11][12] The combination of these merits render OSCs suitable as low-cost power sources for portable electronic devices, like displays and other wearable electronic devices.…”

Section: Introductionmentioning

confidence: 99%

Flexible all-solution-processed all-plastic multijunction solar cells for powering electronic devices

et al. 2016

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We demonstrate the first all-plastic multijunction solar cells that all layers are solution processed sequentially from organic synthetic inks, including the electrodes, charge-collecting layers, the active layers, and the charge-recombination layers connecting the multiple junctions. Additionally, to our knowledge, this is the first reported organic tandem solar cells can simultaneously have the advantages of vacuum-free, metal-free, highly flexible and high output voltage. The realization of the all-plastic multijunction solar cells is based on fine tuning of the conductivity of the charge-recombination layer (CRL) via modifying the PEDOT:PSS formulation and selecting the processing solvent of the polyethylenimine to avoid the patterning and shorts. These cells with high photovoltage have been shown to meet the requirements to power liquid-crystal displays, full-color light-emitting diodes under low-intensity light conditions. They could become very low-cost solutions for powering various portable and wearable electronic devices, including wireless sensors for the internet of things applications.Flexible all-plastic multijunction solar cells with high photovoltage have been demonstrated via optimizing the charge-recombination layer and shown to power portable electronics. AbstractLow-cost, light-weight and flexible power supply is highly desirable for portable electronic devices. All-plastic solar cells in which all layers are fabricated sequentially from organic synthetic inks could meet these requirements. Here, we report that fully solutionprocessed all-plastic multijunction solar cells can be easily fabricated layer by layer without the need of sophisticated patterning. The key for the high-yield fully solution-processed multijunction cells is the control and tuning of the conductivity of the charge-recombination layer of PEDOT:PSS/PEI. The all-plastic multijunction solar cells achieve PCE of 6.1±0.4%and a high open-circuit voltage of 5.37 V. These all-plastic multijunction solar cells are successfully used to drive liquid-crystal displays, full-color light-emitting diodes and for water splitting under different light illumination conditions.

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A lactam building block for efficient polymer solar cells

Cited by 72 publications

References 27 publications

High‐Performance Polymer Tandem Solar Cells Employing a New n‐Type Conjugated Polymer as an Interconnecting Layer

High‐Performance Polymer Tandem Solar Cells Employing a New n‐Type Conjugated Polymer as an Interconnecting Layer

Temperature-dependent Schottky barrier in high-performance organic solar cells

Flexible all-solution-processed all-plastic multijunction solar cells for powering electronic devices

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