An anti-reflective 1D rectangle grating on GaAs solar cell using one-step femtosecond laser fabrication

Chen, Ruifang; Hu, Zhihui; Ye, Yunxia; Zhang, Junsong; Shi, Zhenqi; Hua, Yinqun

doi:10.1016/j.optlaseng.2017.01.017

Cited by 15 publications

(4 citation statements)

References 22 publications

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“…Selimis et al [109] wrote a review on the general approach of DLW as a 3D printing method from principle to application (figure 23). In optical applications, Chen et al [110] used DLW to fabricate one-dimensional (1D) antireflective rectangular gratings on the surface of gallium arsenide (GaAs) solar cells and used finite difference time domain (FDTD) to simulate the grating property. Li et al [111] utilized 3D TPP to fabricate near-infrared antireflective coatings.…”

Section: Dlw and Metamaterialsmentioning

confidence: 99%

Additive manufacturing of precision optics at micro and nanoscale

Zolfaghari

Chen

2019

Int. J. Extrem. Manuf.

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This review focuses on recent developments in additive manufacturing (AM) of precision optical devices, particularly devices consisting of components with critical features at the micro-and nanoscale. These include, but are not limited to, microlenses, diffractive optical elements, and photonic devices. However, optical devices with large-size lenses and mirrors are not specifically included as this technology has not demonstrated feasibilities in that category. The review is roughly divided into two slightly separated topics, the first on meso-and microoptics and the second on optics with nanoscale features. Although AM of precision optics is still in its infancy with many unanswered questions, the references cited on this exciting topic demonstrate an enabling technology with almost unlimited possibilities. There are many high quality reviews of AM processes of non-optical components, hence they are not the focus of this review. The main purpose of this review is to start a conversion on optical fabrication based on information about 3D AM methods that has been made available to date, with an ultimate long-term goal of establishing new optical manufacturing methods that are low cost and highly precise with extreme flexibility.

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Section: Dlw and Metamaterialsmentioning

confidence: 99%

Additive manufacturing of precision optics at micro and nanoscale

Zolfaghari

Chen

2019

Int. J. Extrem. Manuf.

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“…Previous studies have also shown that a well-designed surface with micro/nano-meter scale periodic structure arrays can significantly reduce Fresnel reflection, 15 which means an optical micro or nanoscale surface structure array can be a good replacement of traditional AR coatings. Different AR structure array designs were proposed 16 and various materials were employed, such as ZnSe, 17 TiO2, 18 , 19 ZnO, 20 GaAs, 21 and silicon (Si) 22 . Previously, moth eye-like AR micro-structured arrays with low or moderate aspect ratio were widely investigated 23 .…”

Section: Introductionmentioning

confidence: 99%

Fabrication of anti-reflective structure array on chalcogenide glass by compression molding with polydimethylsiloxane mold

Chen

2023

Opt. Eng.

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.The feasibility of the proposed new process chain was demonstrated by generating an anti-reflective (AR) structure array with continuous profile on a chalcogenide glass substrate. First, a soft mold made of polydimethylsiloxane (PDMS) was created by casting and lift-off process off a Si master mold with original AR features. The master mold can be reused to create multiple PDMS molds. Afterwards, a nonisothermal compression molding process was conducted using PDMS soft mold to replicate a moderate aspect ratio AR structure array from PDMS mold onto chalcogenide glass surface. PDMS mold was first heated to a low temperature around 190°C such that its rigidity can be maintained, whereas the chalcogenide glass was heated to a relatively higher temperature around 240°C for molding. Surface profiles for both PDMS mold and molded glass were evaluated using both Wyko optical surface profilometer and scanning electron microscope tool. For optical performance, an optical light transmission test was conducted. We demonstrated that PDMS can be a good candidate for mold material in chalcogenide glass compression molding process in replicating large surface arrays with moderate aspect ratio structures.

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“…[34] There are many theories for the electromagnetic analysis of periodic structured solar cells, such as rigorous coupled-wave analysis method [35] and finite element method. [36] However, FDTD [37][38][39] is the most widely used and the most efficient method for rigorous photoelectric analysis of solar cells. In this paper, the 3D simulation of the proposed structure is carried out based on the FDTD Solutions software.…”

Section: Introductionmentioning

confidence: 99%

Thin‐Film Solar Cells by Silicon‐Based Nano‐Pyramid Arrays

Huang

Wang

2022

Advcd Theory and Sims

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In this paper, a high‐efficiency silicon‐based thin‐film solar cell is proposed based on double‐layer nano‐pyramid (DNP) arrays. In the model, the surface and bottom of the silicon photovoltaic layer are embedded with silicon nano‐pyramid array and aluminum nano‐pyramid array, respectively. The optical and electrical parameters of the DNP solar cell are presented by using the 3D finite‐difference time‐domain (FDTD) method. The short‐circuit current density (Jsc), integrated absorption (α) and photoelectric conversion efficiency (η) of the optimized DNP solar cell are 43.61 mA cm−2, 95.20% and 27.12%, respectively. Compared with the planar solar cell, the α and η of the DNP solar cell are increased by 45.31% and 15.77%, respectively. To investigate the performance of the proposed solar cell, the principle of light absorption enhancement is analyzed by spectrum and field strength distributions for the DNP structure. Furthermore, the carrier recombination and manufacturing of the DNP solar cell, and compared the structures of different arrays is studied. Further results show that the DNP structure has excellent light absorption and tolerance, which has positive significance for the development of silicon‐based thin‐film solar cells.

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An anti-reflective 1D rectangle grating on GaAs solar cell using one-step femtosecond laser fabrication

Cited by 15 publications

References 22 publications

Additive manufacturing of precision optics at micro and nanoscale

Additive manufacturing of precision optics at micro and nanoscale

Fabrication of anti-reflective structure array on chalcogenide glass by compression molding with polydimethylsiloxane mold

Thin‐Film Solar Cells by Silicon‐Based Nano‐Pyramid Arrays

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