Surface modification of PEDOT: PSS film by chemical vapor texturing process for enhanced organic photovoltaics

Ritruksa, Mantarat; Wongrerkdee, Sawitree; Lohawet, Khathawut; Kaewprajak, Anusit; Kumnorkaew, Pisist; Wongrerkdee, Sutthipoj

doi:10.1016/j.surfin.2020.100716

Cited by 5 publications

(3 citation statements)

References 44 publications

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“…Furthermore, the surface morphology of the hole transport layer also plays a crucial role in the OPV performance to improve the interfacial contact in organic molecule layer-based devices. [48,49] In addition, the wetting measurement was complemented by the water contact angle (θ c ) profile by drop PEDOT: PSS solution onto the substrates in Figure 2f, where the surface wettability of the bare ITO film was reduced significantly from 77.8°to 40.8°as a coating of M13. The amino acid groups of the surface protein coating provide a hydrophilic surface that enables effective interaction with the PEDOT: PSS layer on ITO.…”

Section: Resultsmentioning

confidence: 99%

Novel Strategy Toward Light Absorption Enhancement of Organic Solar Cells Using M13 Bacteriophage

Jun,

Nguyen,

Kim

et al. 2023

Solar RRL

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In organic photovoltaic (OPV) cells, the development of efficient light‐harvesting organic donor and acceptor materials and the design of a device structure with appropriate visible light transmittance play an important role in increasing their power conversion efficiency. Light manipulation strategies in OPV cells are widely used to improve photovoltaic performance. One of the most popular technologies is anti‐reflective coating (ARC), which enhances light utilization in devices. However, ARC has been investigated less in OPV cells than in organic silicon solar cells. In this study, a novel approach that employs the natural biomaterial M13 bacteriophage (M13) as an intermediate layer with a thickness of a few nanometers between the hole transport layer (HTL) and indium tin oxide (ITO) is investigated. The functional surface hydrophilicity, obtained by genetic manipulation of M13 improved the light transmittance by more than 84% over the visible wavelength range of the OPV cells. Furthermore, it enhanced the coherence between the hole transport layer and the photoactive layer. Therefore, the photocurrent density (J sc ) and power conversion efficiency (PCE) significantly increased, producing a high photovoltaic performance (PV parameters). The proposed approach of using natural biomaterials is the basis for a novel, low‐cost and eco‐friendly design for light manipulation in solar cells.This article is protected by copyright. All rights reserved.

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Section: Resultsmentioning

confidence: 99%

Novel Strategy Toward Light Absorption Enhancement of Organic Solar Cells Using M13 Bacteriophage

Jun,

Nguyen,

Kim

et al. 2023

Solar RRL

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“…Poly (3,4-ethylenedioxythiphene):poly(styrenesulfonate) (PEDOT:PSS) has been widely used in electrical or electro-optical devices, such as light-emitting diodes, sensors, and solar cells [1][2][3][4][5], owing to its environmental friendliness, high conductivity, and ease of fabrication. However, the conductivity of PEDOT:PSS is not suitable for film-based fabrication because the PEDOT:PSS consists of the PEDOT conductor and PSS insulator.…”

Section: Introductionmentioning

confidence: 99%

Influence of HCl-doping on physical, optical, and electrical properties of PEDOT:PSS films

Moungsrijun

Somsuk

Wongrerkdee

et al. 2023

J. Phys.: Conf. Ser.

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In this study, the preparation of HCl-doped PEDOT:PSS films was performed on fluorine-doped tin oxide substrates using spin coating method. The only SnO2 peaks were observed in the X-ray diffraction patterns. However, the functional groups that the FT-IR showed match with PEDOT and PSS. Contact angle measurement revealed that contact angle values increased for HCl-doped PEDOT:PSS films in comparison with undoped ones, which implies water tolerance improvement. In terms of optical transmittance, there were similar transmittance spectra for undoped and HCl-doped PEDOT:PSS films. Sheet resistance measurements exhibited that sheet resistance values decreased to the minimum values of 6.67 Ω/sq for HCl-doped PEDOT:PSS conditions. This indicates that the sheet resistance of PEDOT:PSS films can be reduced by HCl. Therefore, the HCl-doping could potentially be a suitable alternative for improving humidity tolerance and conductivity of PEDOT:PSS films.

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“…Compared with the above mentioned electrode materials, PEDOT:PSS has good film-forming ability, high transparency, tunable conductivity, flexibility and solution processability, which can be prepared via spin coating [ 13 ], inkjet printing [ 14 , 15 , 16 ], dip coating [ 17 ], spray coating [ 18 ], etc. Hence, PEDOT:PSS electrodes have been widely used in flexible optoelectronic devices, such as organic thin film transistors [ 16 ], organic solar cells [ 14 , 19 , 20 ], and OLEDs [ 7 , 15 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

Inkjet-Printed Highly Conductive Poly(3,4-ethylenedioxythiophene): Poly(styrenesulfonate) Electrode for Organic Light-Emitting Diodes

et al. 2021

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Recently, inkjet printing technology has attracted much attention due to the advantages of drop-on-demand deposition, low-cost and large-area production for organic light-emitting diode (OLED) displays. However, there are still some problems in industrial production and practical application, such as the complexity of ink modulation, high-quality films with homogeneous morphology, and the re-dissolution phenomenon at interfaces. In this work, a printable poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) ink is developed and obtains an adjustable viscosity. Finally, a patterned PEDOT:PSS electrode is fabricated by inkjet printing, and achieves a high conductivity of 1213 S/cm, a transparency of 86.8% and a uniform morphology without coffee-ring effect. Furthermore, the vacuum-evaporated and solution-processed OLEDs are fabricated based on this electrode and demonstrate a current efficiency of 61 cd/A, which is comparable to that of the indium tin oxide counterpart. This work confirms the feasibility of inkjet printing technology to prepare patterned electrodes and expects that it can be used to fabricate highly efficient optoelectronic devices.

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Surface modification of PEDOT: PSS film by chemical vapor texturing process for enhanced organic photovoltaics

Cited by 5 publications

References 44 publications

Novel Strategy Toward Light Absorption Enhancement of Organic Solar Cells Using M13 Bacteriophage

Novel Strategy Toward Light Absorption Enhancement of Organic Solar Cells Using M13 Bacteriophage

Influence of HCl-doping on physical, optical, and electrical properties of PEDOT:PSS films

Inkjet-Printed Highly Conductive Poly(3,4-ethylenedioxythiophene): Poly(styrenesulfonate) Electrode for Organic Light-Emitting Diodes

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