Electrospray-Deposited Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) for Poly(3-hexylthiophene):Phenyl-C<sub>61</sub>-Butyric Acid Methyl Ester Photovoltaic Cells

Hiate, Taiga; Ino, Tomohisa; Ishikawa, Ryo; Ueno, K.; Shirai, Hajime

doi:10.7567/jjap.51.10ne30

Cited by 4 publications

(3 citation statements)

References 25 publications

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“…It has been demonstrated that by depositing this material under the influence of an electric field, it is possible to achieve thinner and more uniform films 49. 60, 61, 80 The viscosity range allowed by this technique is larger than other solution‐based processes and the thickness of the thin film is controlled by changing the deposition time (Figure 31).…”

Section: Spray‐coated Layers Of a Polymer Solar Cellmentioning

confidence: 99%

Spray Coating for Polymer Solar Cells: An Up‐to‐Date Overview

et al. 2015

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Solution processing is the most appealing aspect of organic photovoltaic (OPV) devices. The possibility of printing low‐cost, lightweight, and efficient polymer solar cells (PSC) is the commonly accepted paradigm associated with printable materials deposited as inks using solution‐processing techniques. In addition to slot–die, serigraphy, and flexo/gravure printing, spray coating can be used for photo‐active polymer blends, interface materials for hole and electron extraction, and electrodes. This technique is widely accepted in the industrial world as one of the most suitable for coating thin layers onto virtually any kind of substrate (e.g., glass, metal, plastic) with a degree of conformability insuperable by any other high‐speed coating technique. We present the basic principles governing the mechanisms of atomization, the main techniques adopted for PSCs, the state of the art applications of spray coating for building up each layer of a PSC, and an overview of the perspectives for industrialization.

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Section: Spray‐coated Layers Of a Polymer Solar Cellmentioning

confidence: 99%

Spray Coating for Polymer Solar Cells: An Up‐to‐Date Overview

et al. 2015

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“…Various deposition methods for organic thin films via a solution process such as electrospray deposition, [7][8][9][10][11][12][13][14] inkjet printing, 15,16) gravure printing, 17,18) dip coating, 19,20) and Langmuir-Blodgett coating 21,22) have been studied. Among them, electrospray deposition is considered a promising candidate to be employed in the industrial field owing to its high patterning resolution and uniformity.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of poly(3-hexylthiophene-2,5-diyl) films with electrospray deposition method

Kim¹,

Lee²,

Lee³

2018

Jpn. J. Appl. Phys.

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A solution process to obtain a thin film of organic semiconductors allows for the fabrication of low-cost electronic devices without using expensive vacuum equipment. Thus, the development of an efficient method to deposit large area and patterned thin films via a solution process is of great importance. Among various deposition methods, electrospray is a promising candidate that can be employed in the industrial field as an alternative to spin coating. In this study, we fabricated poly(3-hexylthiophene-2,5-diyl) (P3HT) films using an electrospray deposition method while varying the deposition parameters. The effects of annealing, solution concentration, and acetonitrile additive on the film morphology were investigated with optical microscopy and atomic force microscopy measurement. The optoelectronic properties and the chemical states were also explored with UVvis absorption and X-ray photoelectron spectroscopy measurement. As a consequence, we indicated that high-quality P3HT films can be obtained through the optimization of the deposition parameters in electrospray.

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“…However, SC PEDOT:PSS on the textured c-Si substrate results in inhomogeneous film deposition. Several attempts have been made for the uniform deposition of PEDOT:PSS on the textured c-Si substrate by several deposition techniques such as SC with surfactant additive, 11) screen printing, 12) ink-jet printing, electrospray deposition (ESD), [13][14][15][16][17] and chemical mist deposition (CMD). [18][19][20][21][22][23][24] Among several deposition techniques, gas-phase deposition is a possible candidate for the uniform deposition of organic materials on textured Si substrates.…”

Section: Introductionmentioning

confidence: 99%

Investigating the chemical mist deposition technique for poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) on textured crystalline-silicon for organic/crystalline-silicon heterojunction solar cells

Hossain

Ohki

Ichikawa

et al. 2016

Jpn. J. Appl. Phys.

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Chemical mist deposition (CMD) of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) was investigated in terms of cavitation frequency f, solvent, flow rate of nitrogen, substrate temperature T s, and substrate dc bias V s as variables for efficient PEDOT:PSS/crystalline silicon (c-Si) heterojunction solar cells. The high-speed-camera and differential mobility analysis characterizations revealed that the average size and flux of PEDOT:PSS mist depend on f, type of solvent, and V s. Film deposition occurred when positive V s was applied to the c-Si substrate at T s of 30–40 °C, whereas no deposition of films occurred with negative V s, implying that the film is deposited mainly from negatively charged mist. The uniform deposition of PEDOT:PSS films occurred on textured c-Si(100) substrates by adjusting T s and V s. The adhesion of CMD PEDOT:PSS film to c-Si was greatly enhanced by applying substrate dc bias V s compared with that of spin-coated film. The CMD PEDOT:PSS/c-Si heterojunction solar cell devices on textured c-Si(100) in 2 × 2 cm2 exhibited a power conversion efficiency η of 11.0% with better uniformity of the solar cell parameters. Furthermore, η was increased to 12.5% by adding an AR coating layer of molybdenum oxide MoO x formed by CMD. These findings suggest that CMD with negatively charged mist has great potential for the uniform deposition of organic and inorganic materials on textured c-Si substrates by suitably adjusting T s and V s.

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Electrospray-Deposited Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) for Poly(3-hexylthiophene):Phenyl-C₆₁-Butyric Acid Methyl Ester Photovoltaic Cells

Cited by 4 publications

References 25 publications

Spray Coating for Polymer Solar Cells: An Up‐to‐Date Overview

Spray Coating for Polymer Solar Cells: An Up‐to‐Date Overview

Fabrication of poly(3-hexylthiophene-2,5-diyl) films with electrospray deposition method

Investigating the chemical mist deposition technique for poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) on textured crystalline-silicon for organic/crystalline-silicon heterojunction solar cells

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Electrospray-Deposited Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) for Poly(3-hexylthiophene):Phenyl-C61-Butyric Acid Methyl Ester Photovoltaic Cells

Cited by 4 publications

References 25 publications

Spray Coating for Polymer Solar Cells: An Up‐to‐Date Overview

Spray Coating for Polymer Solar Cells: An Up‐to‐Date Overview

Fabrication of poly(3-hexylthiophene-2,5-diyl) films with electrospray deposition method

Investigating the chemical mist deposition technique for poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) on textured crystalline-silicon for organic/crystalline-silicon heterojunction solar cells

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Electrospray-Deposited Poly(3,4-ethylenedioxythiophene):Poly(styrene sulfonate) for Poly(3-hexylthiophene):Phenyl-C₆₁-Butyric Acid Methyl Ester Photovoltaic Cells