Particles Size and Conductivity Study of P-Type Copper (I) Iodide (CuI) Thin Film for Solid State Dye-Sensitized Solar Cells

Zainun, Ayib Rosdi; Mamat, M. H.; Noor, Uzer Mohd; Rusop, M.

doi:10.1088/1757-899x/17/1/012009

Cited by 12 publications

(13 citation statements)

References 10 publications

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“…The main technological interest to γ-CuI is caused by the useful combination of good intrinsic electrical conductivity and optical transparency with respect to the visible light, and by a possibility to tune its electrical conductivity through the preparation and synthesis conditions [1]. Prominent examples which illustrate the successful utilization of γ-CuI as the hole transport layer are the solid-state dye-sensitized and perovskite solar cells [6][7]. In the anthracene-containing PPE-PPV-based organic solar cells -as a hole-selective contact [8], and also it has been entered into in light emitting diodes [9].…”

Section: Introductionmentioning

confidence: 99%

Structure-property relationships in cubic cuprous iodide: A novel view on stability, chemical bonding, and electronic properties

Pishtshev

Karazhanov

2017

The Journal of Chemical Physics

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Based on the combination of computational DFT and theory-group methods, we performed systematic modeling of γ-CuI structural design at the atomistic level. Being started from the metallic copper lattice, we treated a crystal assembly as a step-wise iodination process characterized in terms of a sequence of intermediate lattice geometries. These geometries were selected and validated via screening of possible structural transformations. The genesis of chemical bonding was studied for three structural transformations by analyzing the relevant changes in topology of valence electron densities. We determined structural trends driven by metal-ligand coupling. This allowed us to suggest the improved scenario of chemical bonding in γ-CuI. In particular, the unconventional effect of spatial separation of metallic and covalent interactions was found to be very important with respect to the preferred arrangements of valence electrons in the iodination process. We rigorously showed that useful electronic and optical properties of γ-CuI origin from the combination of two separated bonding patterns --strong covalency established in I-Cu tetrahedral connections and noncovalent interactions of copper cores caused by the 3d 10 closed-shell electron configurations.The other our finding is that the self-consistency of the GW calculations is crucial for correct determining the dynamic electronic correlations in γ-CuI. Detail reinvestigation of the quasi-particle energy structure by means of the self-consistent GW approach allowed us to explain how p-type electrical conductivity can be engineered in the material.

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Section: Introductionmentioning

confidence: 99%

Structure-property relationships in cubic cuprous iodide: A novel view on stability, chemical bonding, and electronic properties

Pishtshev

Karazhanov

2017

The Journal of Chemical Physics

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“…Thin films of CuI were deposited onto cleaned ITO substrates via spin coating of the room temperature solution (see Methods). Scanning electron micrographs (Figure 1a) on CuI film reveal a grainy structure with typical lateral feature size on the order of several hundred nanometers [21]. Atomic force micrographs reveal CuI (inset of Figure 1a) to be rougher ( $3.3 nm) than PEDOT:PSS ( $1.1 nm) ( Figure S1a (111) and (220) crystalline planes of the γ-phase of CuI, respectively, which is also confirmed by grazing incidence X-ray diffraction (GIXRD) (Figure 1c) measurements [37].…”

Section: Resultsmentioning

confidence: 99%

“…Otherwise, all devices exhibited comparable J sc , V oc , FF and PCE. The performance of CuI-based DSSCs has been previously shown to be strongly affected by solution-processing conditions of CuI, which causes the contact between TiO 2 and CuI crystallites to be degraded [20,21]. In contrast to these observations in the context of DSSCs, our results highlight the remarkable reliability and robustness of solution-processed CuI HTLs in response to changes in thickness and processing conditions, making it a potentially attractive material for manufacturing of organic and other emerging photovoltaic devices.…”

Section: Standard P3ht:pc 60 Bm Solar Cells With Cui As Htlmentioning

confidence: 99%

“…Copper(I) iodide (CuI) is inexpensive, abundant, and non-toxic. It is stable enough to be successfully vacuum-deposited as HTL, [18,19] yet can be easily solution-processed at room temperature [20,21]. CuI was successfully introduced in the past into dye-sensitzed solar cells (DSSCs) by Tennakone and coworkers, [22] in which p-type CuI was used as hole conducting layer [21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

“…It is stable enough to be successfully vacuum-deposited as HTL, [18,19] yet can be easily solution-processed at room temperature [20,21]. CuI was successfully introduced in the past into dye-sensitzed solar cells (DSSCs) by Tennakone and coworkers, [22] in which p-type CuI was used as hole conducting layer [21][22][23][24][25][26][27]. Vacuum-deposited CuI has also been used to template the stacking orientation of vacuum-deposited small-molecule thin films such as Zinc phthalocyanine (ZnPc) [28,29] and Copper phthalocyanine (CuPc), [30] as well as polymers such as poly(3-hexylthiophene) (P3HT) [31,32] and poly(4-(2-thiophenaniline)) (P42TA) in OPV applications [33].…”

Section: Introductionmentioning

confidence: 99%

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Highly efficient organic solar cells based on a robust room-temperature solution-processed copper iodide hole transporter

et al. 2015

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Achievin Q3 g high performance and reliable organic solar cells hinges on the development of stable and energetically suitable hole transporting buffer layers in tune with the electrode and photoactive materials of the solar cell stack. Here we have identified solution-processed Copper(I) iodide (CuI) thin films with low-temperature processing conditions as an effective hole-transporting layer (HTL) for a wide range of polymer:fullerene bulk heterojunction (BHJ) systems. The solar cells using CuI HTL show higher power conversion efficiency (PCE) in standard device structure for polymer blends, up to PCE of 8.8%, as compared with poly(3,4-ethylenedioxy-thiophene):poly(styrenesulfonate) (PEDOT:PSS) HTL, for a broad range of polymer:fullerene systems. The CuI layer properties and solar cell device behavior are shown to be remarkably robust and insensitive to a wide range of processing conditions of the HTL, including processing solvent, annealing temperature (room temperature up to 200 1C), and film thickness. CuI is also shown to improve the overall lifetime of solar cells in the standard architecture as compared to PEDOT:PSS. We further demonstrate promising solar cell performance when using CuI as top HTL in inverted device architecture. The observation of uncommon properties, such as photoconductivity of CuI and templating effects on the BHJ layer formation, is also discussed. This study points to CuI as being a good candidate to replace PEDOT:PSS in solution-processed solar cells thanks to the facile implementation and demonstrated robustness of CuI thin films. .sa (A. Amassian). Nano Energy (]]]]) ], ]]]-]]]Please cite this article as: K. Zhao, et al., Highly efficient organic solar cells based on a robust room-temperature solution-processed Copper iodide hole transporter, Nano Energy (2015), http://dx.

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Fabrication of Dye-Sensitized Solar Cells (DSSC) Using Copper (I) Iodide: A Sustainable Approach to Solar Energy Conversion

Sham,

Zainun,

Misnon

et al. 2024

Lecture Notes in Electrical Engineering

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Particles Size and Conductivity Study of P-Type Copper (I) Iodide (CuI) Thin Film for Solid State Dye-Sensitized Solar Cells

Cited by 12 publications

References 10 publications

Structure-property relationships in cubic cuprous iodide: A novel view on stability, chemical bonding, and electronic properties

Structure-property relationships in cubic cuprous iodide: A novel view on stability, chemical bonding, and electronic properties

Highly efficient organic solar cells based on a robust room-temperature solution-processed copper iodide hole transporter

Fabrication of Dye-Sensitized Solar Cells (DSSC) Using Copper (I) Iodide: A Sustainable Approach to Solar Energy Conversion

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