Performance improvement of large-area roll-to-roll slot-die-coated inverted polymer solar cell by tailoring electron transport layer

Cha, Hou‐Chin; Huang, Yu‐Ching; Hsu, Fan-Hsuan; Chuang, Chih-Min; Lu, De-Han; Chou, Cheng-Wei; Chen, Charn-Ying; Tsao, Cheng‐Si

doi:10.1016/j.solmat.2014.07.003

Cited by 34 publications

(21 citation statements)

References 28 publications

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“…The PET/ITO substrate was firstly cut into a 10 × 10 cm 2 sheet, and then the substrate was treated with air plasma. Aluminum‐doped zinc oxide (Al‐ZnO, AZO) was used as the ELT in the present study, and the synthesis of AZO precursor and the slot‐die coating parameters of AZO were described in our previous literature . To obtain the P3HT:PC 61 BM:DIO photoactive solution suitable for R2R slot‐die process, 12‐mg P3HT, 12‐mg PC 61 BM (Rieke Metals), and various contents of DIO (Aldrich) were dissolved in 1‐ml o‐xylene solvent.…”

Section: Methodsmentioning

confidence: 99%

“…In contrast to the OPVs based on the well‐known poly(3‐hexylthiophene) (P3HT) polymer (PCE: 3 ~ 4%), the low‐band‐gap (LBG) polymer can significantly enhance the PCE (>7%). Many large‐area solution‐processing techniques, such as spray coating, inkjet printing, slot‐die coating, doctor blade, and knife coating, are used to manufacture OPVs . Among these techniques, slot‐die coating is the most promising candidate for the applications of mass‐production due to its high throughput, low material waste, low cost, and rapid manufacturing speed .…”

Section: Introductionmentioning

confidence: 99%

“…Many large‐area solution‐processing techniques, such as spray coating, inkjet printing, slot‐die coating, doctor blade, and knife coating, are used to manufacture OPVs . Among these techniques, slot‐die coating is the most promising candidate for the applications of mass‐production due to its high throughput, low material waste, low cost, and rapid manufacturing speed . Recently, the highly efficient large‐area–coated OPVs on glass and PET substrates have been reported in many literatures .…”

Section: Introductionmentioning

confidence: 99%

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A universal roll‐to‐roll slot‐die coating approach towards high‐efficiency organic photovoltaics

Huang

Cha

Chen

et al. 2017

Progress in Photovoltaics

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This work develops a combinational use of solvent additive and in-line drying oven on the flexible organic photovoltaics to improve large-area roll-to-roll (R2R) slot-die coating process. Herein, addition of 1,8-diiodooctane (DIO) in the photoactive layer is conducted to yield a performance of 3.05% based on the blending of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C 61 -butyric acid methyl ester (PC 61 BM), and a very promising device performance of 7.32% based on the blending of poly [[4,8-bis[(2-ethylhexyl) [3,4-b]thiophenediyl]] (PTB7) and [6,6]-phenyl C 71 -butyric acid methyl ester (PC 71 BM). Based on this R2R slot-die coating approach for various polymers, we demonstrate the high-performance result with respect to the up-scaling from small high-PCE cell to large-area module. This present study provides a route for fabricating a low-cost, large-area, and environmental-friendly flexible organic photovoltaics.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A universal roll‐to‐roll slot‐die coating approach towards high‐efficiency organic photovoltaics

Huang

Cha

Chen

et al. 2017

Progress in Photovoltaics

Self Cite

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“…R2R slot die coating was also utilized by several other research groups worldwide for the manufacturing of the various layers in OPV cells and modules. Scientists from the Institute of Nuclear Energy Research in Taiwan employed this technique for the deposition of the electron transport layer (ETL) and the PAL for the production of inverted polymer solar cells (PSC) . Because their laboratory scale equipment (Figure ) is not suited for full R2R processing, the PET/ITO substrates with the two R2R coated layers were cut into pieces and the devices were finished by S2S thermal evaporation of the hole transport layer (HTL) of MoO 3 and the silver electrodes.…”

Section: Photovoltaicsmentioning

confidence: 99%

Roll‐to‐Roll Fabrication of Solution Processed Electronics

Abbel¹,

2018

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The production of electronic devices using solution based ("wet") deposition technologies has some decisive technical and commercial advantages compared to competing approaches like vacuum based ("dry") manufacturing. Particularly, the potential to scale up production processes to large areas and high volumes by introducing continuous roll-to-roll (R2R) methods on flexible substrates has been the topic of intense studies from both applied research institutes and industry already for some years. Decisive steps forward have been achieved during that time, resulting in the dawn of commercial applications for a number of processes, while additional development work is still needed in some other fields. This review summarizes the work published during the last few years on the R2R printing and wet coating of electronic devices. An overview is presented of the basic operational principles for the most commonly used R2R printing and coating methods and techniques for proper web handling in R2R lines. Then, the most commonly used types of flexible substrate materials are introduced, followed by a review of the work published in the application areas of transparent conductor materials, printed electric connections, light emitting devices, photovoltaic energy generation, printed logic, and sensing.

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“…Polyethylenimine ethoxylated (PEIE) has been widely used as interface modified layer in in organic light emitting diodes and organic solar cells [32][33][34][35][36][37][38][39]. Zhou et al [34] has used PEIE to reduce the work function of metals as well as oxide electrodes.…”

Section: Introductionmentioning

confidence: 99%

PEIE capped ZnO as cathode buffer layer with enhanced charge transfer ability for high efficiency polymer solar cells

Cai

Wang

et al. 2015

Synthetic Metals

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Performance improvement of large-area roll-to-roll slot-die-coated inverted polymer solar cell by tailoring electron transport layer

Cited by 34 publications

References 28 publications

A universal roll‐to‐roll slot‐die coating approach towards high‐efficiency organic photovoltaics

A universal roll‐to‐roll slot‐die coating approach towards high‐efficiency organic photovoltaics

Roll‐to‐Roll Fabrication of Solution Processed Electronics

PEIE capped ZnO as cathode buffer layer with enhanced charge transfer ability for high efficiency polymer solar cells

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