A facile photolithography process enabling pinhole-free thin film photovoltaic modules on soda-lime glass

Kartopu, Giray; Oklobia, Ochai; Tansel, T.; Jones, S.; Irvine, S.J.C.

doi:10.1016/j.solmat.2022.112112

Cited by 8 publications

(2 citation statements)

References 9 publications

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“…These techniques are utilized to deposit alternating layers of dielectric materials onto a substrate, ultimately forming the periodic structure of the photonic crystal. Photolithography is then used to define the precise geometry and pattern of the layers [9]. Etching processes, such as reactive ion etching (RIE) or wet etching, are subsequently applied to selectively remove material, shaping the layers according to the designed structure.…”

Section: Introductionmentioning

confidence: 99%

Harnessing a Dielectric/Plasma Photonic Crystal as an Optical Microwave Filter: Role of Defect Layers and External Magnetic Fields

Dakhlaoui,

Belhadj,

Elabidi

et al. 2024

Materials

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We investigate the transmittance spectrum of a multichannel filter composed of dielectric (A) and plasma (P) materials in the microwave region within the transfer matrix formalism. Two configurations of the proposed filter are studied under the influence of an applied magnetic field: (1) a periodic structure containing (A/P)N unit cells surrounded by air and (2) the introduction of a second dielectric material (D) acting as a defect layer to produce an (AP)N/2/D/(AP)N/2 structure. Our findings reveal that in the periodic case, the number of resonant states of the transmittance increases with number N; however, the observed blue and red shifts depend on the intensity and orientation of the applied magnetic field. We present contour plots of the transmission coefficients that show the effect of the incident angle on the shifts of the photonic band gaps. Furthermore, we find that the introduction of a defect layer generates additional resonant states and merges the central resonant peak into a miniband of resonances. Moreover, we show that the number of resonant peaks and their locations can be modulated by increasing the unit cell number, N, as well as increasing the width of the inserted defect layer. Our proposed structures enable the design of novel photonic filters using magnetized plasma materials operating in the microwave region.

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Section: Introductionmentioning

confidence: 99%

Harnessing a Dielectric/Plasma Photonic Crystal as an Optical Microwave Filter: Role of Defect Layers and External Magnetic Fields

Dakhlaoui,

Belhadj,

Elabidi

et al. 2024

Materials

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show abstract

“…Patterning processes are crucial for manufacturing electronic devices, among which the most commonly used process for scientific research and in industries is photolithography. [1,2] Photolithography has already been well tested and is employed for the mass production of materials requiring high precision, such as semiconductors and displays. However, photolithography has several limitations, including high production costs and large space requirements, when applied for manufacturing printed electronics in small quantities.…”

Section: Introductionmentioning

confidence: 99%

Roll‐to‐Roll Patterning of Indium‐Tin‐Oxide Electrodes Using a Low‐Cost Laser‐Marking Machine

Chakraborty

Ahn

2023

Adv Eng Mater

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This study aims to explore the optimal process conditions for patterning indium‐tin‐oxide electrodes with polyethylene terephthalate films using a low‐cost laser‐marking machine equipped with an F‐theta lens. The feasibility of applying this equipment in roll‐to‐roll (R2R) processes and flexible sensors is also investigated. Moreover, the study involves analyzing the laser characteristics, precision, and focal length of the equipment, as well as adjusting the laser power and focal length to achieve the desired line width without damaging the substrate. The proposed equipment and an R2R patterning method are applied to a pressure‐leak sensor that employs a surfactant as the sensing material. The findings show that the low‐cost laser‐marking machine can be used for flexible sensor research and can support a fast, cost‐effective patterning method, making it possible to develop new sensors quickly.

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Development of hydrophilic multilayer structures for energy saving window applications using sol-gel spin coating

Yepuri,

Ramachandramurthy

2024

Results in Optics

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A facile photolithography process enabling pinhole-free thin film photovoltaic modules on soda-lime glass

Cited by 8 publications

References 9 publications

Harnessing a Dielectric/Plasma Photonic Crystal as an Optical Microwave Filter: Role of Defect Layers and External Magnetic Fields

Harnessing a Dielectric/Plasma Photonic Crystal as an Optical Microwave Filter: Role of Defect Layers and External Magnetic Fields

Roll‐to‐Roll Patterning of Indium‐Tin‐Oxide Electrodes Using a Low‐Cost Laser‐Marking Machine

Development of hydrophilic multilayer structures for energy saving window applications using sol-gel spin coating

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