Optically and Mechanically Engineered Anti‐Reflective Film for Highly Efficient Rigid and Flexible Perovskite Solar Cells

Choi, Ji Seong; Jang, Yeoun‐Woo; Kim, Unsoo; Choi, Mansoo; Kang, Seong Min

doi:10.1002/aenm.202201520

Cited by 21 publications

(20 citation statements)

References 44 publications

(74 reference statements)

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“…Once the ARC was used in the devices, the main increase of the photovoltaic parameters is the J SC , and the V OC and FF remain unchanged. 196,197 For example, Choi fabricated a sticker-type ultra-thin (20 μm) perfluoropolyether AR film (SUPA) with a refractive index of 1.34 and light transition efficiency of 98.3% (Fig. 15a), and the J SC of the SUPA-used PerSCs reached 26.63 mA cm −2 , which increased by 3.82% compared with the control device.…”

Section: Strategies For High Efficiency 2d Perscsmentioning

confidence: 99%

Crystal growth of two-dimensional organic–inorganic hybrid perovskites and their application in photovoltaics

2023

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Section: Strategies For High Efficiency 2d Perscsmentioning

confidence: 99%

Crystal growth of two-dimensional organic–inorganic hybrid perovskites and their application in photovoltaics

2023

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“…[1][2][3][4][5][6][7][8][9] Previous studies have demonstrated the importance of suppressing reflections at the interface to achieve high transparency. [1,[10][11][12] At the surface, which is the interface between different materials, light is reflected owing to the different refractive index (n) of each material. Many researchers have developed optical films/membranes to which surface multilayer coatings or nanostructures can be applied to reduce light reflection.…”

Section: Introductionmentioning

confidence: 99%

“…Many researchers have developed optical films/membranes to which surface multilayer coatings or nanostructures can be applied to reduce light reflection. [3,[10][11][12][13][14][15][16] This prevents reflection along the path of light by gradually reducing the refractive index value at the interface.…”

Section: Introductionmentioning

confidence: 99%

“…SEM images are reproduced under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ [23]. Copyright 2021, The Authors, Published by The Company of Biologists Ltd. b) Concept of clearwing-inspired antireflective (AR) membrane (CAM) made of perfluoropolyether (PFPE), and photograph, properties[10] and artificial butterfly model of the fabricated CAM. c-e) Schematic illustrations for comparing refractive index profiles of the (c) bare PFPE surface, (d) moth-eye structured (one-side nanostructured) surface, and (e) CAM (both-side nanostructured).…”

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Clearwing‐Inspired Invisible Thin Membrane

Kang

Choi

Hong

et al. 2023

Advanced Optical Materials

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Advanced highly transparent films or membranes are required for diverse optical applications, including ophthalmology and the display industry. In general, bioinspired engineering is the most promising technology for obtaining highly transparent surfaces. This study proposes a novel perfluoropolyether (PFPE) highly transparent thin membrane with nanopatterns on both sides of the surface, inspired by the wings (clearwing) of Greta‐oto. PFPE is a superior material for achieving this goal because of its low refractive index and low surface energy. A clearwing‐inspired antireflective membrane (CAM) composed of PFPE is fabricated using a well‐designed polymer replica method. CAM exhibits outstanding optical properties and intriguing demonstrations of invisible trap sensors, both in air and water, with long‐term stability.

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“…[23][24][25] In recent years, scientists have developed a strong interest in the study of flexible single-junction perovskite SCs. [26][27][28][29][30] In just 9 years, the efficiency of flexible perovskite SCs has increased dramatically (from 2.6% to 23.6%). [7,31] However, this efficiency is still far from the certified efficiency of 25.7% compared with single-junction rigid PSCs.…”

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Dragon Mimic Shape Facilitate Ultrahigh‐Performance Flexible All‐Perovskite Tandem Solar Cells

Wang

Attique

2023

Solar RRL

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Due to unprecedented optoelectronic properties and a rapid increase in power conversion efficiency (PCE) in just a decade perovskite solar cells (PSCs) came under the limelight in the field of photovoltaics (PVs). [1][2][3] So far, the efficiency of single-junction PSCs has reached 25.7%, which is at par with state-of-the-art crystalline silicon solar cells (SCs). [4][5][6][7] In contrast to singlejunction PVs, tandem solar cells (TSCs) is more promising route to acquire higher PCE. [8] By integrating semiconductor lightabsorbing materials (with different bandgaps in a PV device) can be able to absorb photons in different wavelength to the maximum extent. Consequently, sunshine is best utilized and the optical loss of the SC can be minimized. [9][10][11] The technique of using distinguished bandgap semiconducting materials in multi-junction devices resulted in exceeding the efficiency to 38% which is much more than that of singlejunction devices, which are reported to be only 29% efficient. [7] However, this advantage of semiconductor materials came up with a price of expensive materials and complicated fabrication processes. [8,11] Numerous advantages of perovskite materials, for example, their outstanding PV performance, low price, and effortless fabrication process, etc., rushed the scientific community to use them in tandem devices. [12,13] The efficiency of perovskite-silicon TSCs has reached 31.3%, which is a great breakthrough but still its commercialization is facing hampering due to flexibility, weight, and cost due to their rigid counterparts. [7,13] Contrastingly, all-perovskite TSCs have a significant place in the fast development of perovskite PVs because of their synergistic advantage of low-cost solution processing and high-efficiency prospects. [14][15][16][17] The highest demonstrated efficiency of all-perovskite TSCs to date is 26.4%. [7,18,19] Although its little far from the efficiency of perovskite-silicon TSCs still, it has a broader room for the development of flexible device fabrication. [20][21][22] Lightweight flexible SCs are more cost-effective for transport, storage, and installation. Their flexibility making them ideal for building/vehicle-integrated PVs, wearable electronics, power supplies for flexible skin, portable energy systems, and aerospace applications. [23][24][25] In recent years, scientists have developed a strong interest in the study of flexible single-junction perovskite SCs. [26][27][28][29][30] In just 9 years, the efficiency of flexible perovskite SCs has increased dramatically (from 2.6% to 23.6%). [7,31] However, this efficiency is still far from the certified efficiency of 25.7% compared with single-junction rigid PSCs. [5] Designing flexible all-perovskite TSCs with different bandgaps is one of the most effective ways to increase the efficiency limit of single-junction flexible PSCs. [10,20] The PV community centered their focus to

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Optically and Mechanically Engineered Anti‐Reflective Film for Highly Efficient Rigid and Flexible Perovskite Solar Cells

Cited by 21 publications

References 44 publications

Crystal growth of two-dimensional organic–inorganic hybrid perovskites and their application in photovoltaics

Crystal growth of two-dimensional organic–inorganic hybrid perovskites and their application in photovoltaics

Clearwing‐Inspired Invisible Thin Membrane

Dragon Mimic Shape Facilitate Ultrahigh‐Performance Flexible All‐Perovskite Tandem Solar Cells

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