Self-augmented ion blocking of sandwiched 2D/1D/2D electrode for solution processed high efficiency semitransparent perovskite solar cell

Dou, Yuxi; Liu, Ziwen; Wu, Zheng; Liu, Yifan; Li, Jing; Leng, Chongqian; Fang, De; Liang, Guijie; Xiao, Junyan; Li, Wei; Wei, Xingzhan; Huang, Fuzhi; Cheng, Yi‐Bing; Zhong, Jie

doi:10.1016/j.nanoen.2020.104567

Cited by 45 publications

(47 citation statements)

References 57 publications

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“…To realize semitransparency in OPVs and PSCs, one can manipulate the coverage, [ 35–43,161–163 ] thickness, [ 10–17,44–48,164,165 ] or bandgap of the active layer [ 2,8,9,18–24,49,50,166–168 ] or replace the opaque metal electrode with light‐transmitting media (e.g., metal nanowires, [ 44,46,51–56,169–171 ] transparent conducting oxides, [ 43,57–61,167,168,172–180 ] transparent conducting polymers, [ 40,62,63,181–184 ] graphene, [ 54,64,164,185 ] and carbon nanotube [ 65,186–188 ] ). Although the most convenient way to fabricate an ST‐PV is to decrease the thickness of the top metal electrode and, thereby, increase its transparency, [ 35,39,40,47,58,66–72,124 ] there is always a trade‐off between conductivity and transparency.…”

Section: Semitransparent Opvs and Pscsmentioning

confidence: 99%

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Recent Progress on Advanced Optical Structures for Emerging Photovoltaics and Photodetectors

Chen

Tan

Hsu

et al. 2020

Adv Energy and Sustain Res

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Organic‐ and perovskite‐based optoelectronics, which merge excellent optoelectronic properties with potentially large and high‐throughput manufacturing, have attracted attention as emerging revolutionary technologies with considerable practical applications. Herein, the recent progresses in organic‐ and perovskite‐based photovoltaics and photodetectors with integration of judicious optical structure designs are summarized. The characterization and performance metrics of such devices from the perspectives of device architecture, physics, and material science are studied. Research related to devices having dielectric mirrors, diffracted Bragg reflectors/photonic crystals, microcavities, and 2D photonic structures as design elements is discussed. Some suggestions of promising directions for future studies are concluded.

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Section: Semitransparent Opvs and Pscsmentioning

confidence: 99%

“…Plot of PCE with respect to AVT for ST‐OPVs and ST‐PSCs reported in the literature. [ 1,9–12,15,17,18,20–22,24,33–110 ] …”

Section: Introductionmentioning

confidence: 99%

Recent Progress on Advanced Optical Structures for Emerging Photovoltaics and Photodetectors

Chen

Tan

Hsu

et al. 2020

Adv Energy and Sustain Res

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“…In addition, graphene materials have also been applied in flexible and translucent PSCs because of their semiconductor properties and foldable and transparent inherent natures. [ 24–26 ]…”

Section: Introductionmentioning

confidence: 99%

The Application of Graphene Derivatives in Perovskite Solar Cells

Cui

et al. 2020

Small Methods

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traditional power generation methods such as coal and natural gas due to the low-cost raw materials and relatively simple structures of PSCs. [14,15] Both the high efficiency and low cost make PSCs a promising candidate to realize commercialization. Currently, to further improve the performance of PSCs and accelerate the commercialization progress, there are still several challenges to be overcome. For example, the ion migration caused by weak Coulomb force in perovskite lattice is considered to be detrimental to the operational stability. [16-18] In addition, the energy loss originated from the nonradiative recombination limits the open-circuit voltage (V OC) of PSCs. [19,20] Graphene is a 2D and chemically stable material with a hexagonal honeycomb structure composed of carbon atoms, which make itself and their derivatives have multiple applications at interfaces or in functional layers of PSCs (Figure 1). [21,22] For example, the lattice parameter of graphene is 0.246 nm, which is smaller than the radius of I − (0.412 nm). [23] Therefore, it is an ideal material to block the ion migration in PSCs and improve the stability under working conditions. Furthermore, graphene derivatives have numerous derivatives with rich functional groups and adjustable band gaps, which can passivate the specific defect states by rational molecule design and therefore optimize the charge transport in PSCs and reduce the charge recombination. In addition, graphene materials have also been applied in flexible and translucent PSCs because of their semiconductor properties and foldable and transparent inherent natures. [24-26] In this paper, we introduce the history and preparation methods of graphene materials, such as the chemical vapor deposition (CVD) and oxidation-reduction methods. Then, the applications of graphene and its derivatives in PSCs are reviewed, including defect passivation, ion migration blocking, and charge transport optimization. We also summarize the progress of graphene as electrode materials in semitransparent and flexible devices. Finally, the challenges and prospects of the application of graphene materials in PSCs are proposed. 2. Graphene and Its Derivatives Carbon elements are rich in allotropes, [22] such as the 3D graphite and diamond, the 0D fullerenes (C 60) and 1D carbon Perovskite solar cells (PSCs) have attracted much attention due to their high efficiency and low manufacturing cost. However, the defects in perovskite films and the instability issue caused by ion migration limit the further improvement of its efficiency and stability. Graphene and its derivatives are potential materials to solve these problems due to their rich functional groups, environmental stability and compactness, which triggered extensive researches in recent years. In this paper, the development and preparation methods of graphene materials are summarized and then their applications in PSCs are reviewed, with particular emphasis on their function of blocking ion migration.

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“…Semitransparent solar cells are an ideal choice for building integrated photovoltaics, which can be used as electricitygenerating facades, roofs, and windows [1,2]. Moreover, such devices can also be used in electric cars and tandem solar cells [3].…”

Section: Introductionmentioning

confidence: 99%

Surfactant-assisted doctor-blading-printed FAPbBr3 films for efficient semitransparent perovskite solar cells

Ying

Liu

Dou

et al. 2020

Front. Optoelectron.

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Organic-inorganic hybrid perovskite solar cells have generated wide interest due to the rapid development of their photovoltaic conversion efficiencies. However, the majority of the reported devices have been fabricated via spin coating with a device area of < 1 cm 2. In this study, we fabricated a wide-bandgap formamidinium lead bromide (FAPbBr 3) film using a cost-effective, high-yielding doctor-blade-coating process. The effects of different surfactants, such as l-α-phosphatidylcholine, polyoxyethylene sorbitan monooleate, sodium lauryl sulfonate, and hexadecyl trimethyl ammonium bromide, were studied during the printing process. Accompanying the optimization of the blading temperature, crystal sizes of over 10 mm and large-area perovskite films of 5 cm Â 5 cm were obtained using this method. The printed FAPbBr 3 solar cells exhibited a short-circuit current density of 8.22 mA/cm 2 , an open-circuit voltage of 1.175 V, and an efficiency of 7.29%. Subsequently, we replaced the gold with silver nanowires as the top electrode to prepare a semitransparent perovskite solar cell with an average transmittance (400-800 nm) of 25.42%, achieving a highpower efficiency of 5.11%. This study demonstrates efficient doctor-blading printing for preparing large-area FAPbBr 3 films that possess high potential for applications in building integrated photovoltaics.

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Self-augmented ion blocking of sandwiched 2D/1D/2D electrode for solution processed high efficiency semitransparent perovskite solar cell

Cited by 45 publications

References 57 publications

Recent Progress on Advanced Optical Structures for Emerging Photovoltaics and Photodetectors

Recent Progress on Advanced Optical Structures for Emerging Photovoltaics and Photodetectors

The Application of Graphene Derivatives in Perovskite Solar Cells

Surfactant-assisted doctor-blading-printed FAPbBr3 films for efficient semitransparent perovskite solar cells

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