Substrate‐Oriented Nanorod Scaffolds in Polymer–Fullerene Bulk Heterojunction Solar Cells

Ogawa, Yu; White, Matthew S.; Sun, Lina; Scharber, Markus C.; Sariciftci, Niyazi Serdar; Yoshida, Tsukasa

doi:10.1002/cphc.201301104

Cited by 13 publications

(19 citation statements)

References 48 publications

(121 reference statements)

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“…Technol. 30, 104002 (2015) CuSCN nanorod scaffolds have been successfully implemented in P3HT:PCBM BHJ cells [62]. The observed trends in device performance are similar to cells with ZnO scaffolds, where an inverse proportionality between PCE and nanorod length is observed.…”

Section: Wijeyasinghe and Anthopoulossupporting

confidence: 48%

“…The deposition of CuSCN films via spin-coating is frequently reported in the literature [24,25,30,34,62,63]; one such example is presented in figure 5a. Parameters that control film thickness include the concentration of the solution, its viscosity, and the angular speed of rotation.…”

Section: Spin-coatingmentioning

confidence: 99%

“…Three primary types of hybrid photovoltaic cells with CuSCN HTLs have so far been reported. These are, (i) the BHJ photovoltaic cells [62], (ii) the organometal perovskite solar cells [71,80,[126][127][128][129], and (iii) the dye-sensitized solar cells (DSSCs) [64,66,[130][131][132][133][134].…”

Section: Hybrid Organic-inorganic Photovoltaic Cellsmentioning

confidence: 99%

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Copper(I) thiocyanate (CuSCN) as a hole-transport material for large-area opto/electronics

Wijeyasinghe

Anthopoulos

2015

Semicond. Sci. Technol.

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Recent advances in large-area optoelectronics research have demonstrated the tremendous potential of copper(I) thiocyanate (CuSCN) as a universal hole-transport interlayer material for numerous applications, including, transparent thin-film transistors, high-efficiency organic and hybrid organicinorganic photovoltaic cells, and organic light-emitting diodes (OLEDs). CuSCN combines intrinsic hole-transport (p-type) characteristics with a large bandgap (>3.5 eV) which facilitates optical transparency across the visible to near infrared part of the electromagnetic spectrum. Furthermore, CuSCN is readily available from commercial sources while it is inexpensive and can be processed at low-temperatures using solution-based techniques. This unique combination of desirable characteristics makes CuSCN a promising material for application in emerging large-area optoelectronics. In this review article, we outline some important properties of CuSCN and examine its use in the fabrication of potentially low-cost optoelectronic devices. The merits of using CuSCN in numerous emerging applications as an alternative to conventional hole-transport materials are also discussed.

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Section: Wijeyasinghe and Anthopoulossupporting

confidence: 48%

Section: Spin-coatingmentioning

confidence: 99%

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Copper(I) thiocyanate (CuSCN) as a hole-transport material for large-area opto/electronics

Wijeyasinghe

Anthopoulos

2015

Semicond. Sci. Technol.

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“…The blend of the donor (electron-giving species) and acceptor moieties (electron-pulling out) in a copolymer can tune the optical opening and beneficially saddle the daylight-based energy assembly, which is along these lines obligated for the development of J SC . This would not simply tackle our anxiety, yet bandgap planning of a polymer can incite an addition in the V OC , followed by viable exciton division in the PSC [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

Theoretical design of low bandgap donor–acceptor (D-A) monomers for polymer solar cells: DFT and TD-DFT study

Vuai

Babu

2021

Designed Monomers and Polymers

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Endeavors have been made to construct new donor–acceptor (D-A) monomers utilizing 9 H-carbazole (CB) as electron donors and different electron acceptors. All estimations were finished using DFT and TD-DFT, and B3LYP level with a 6–311 G basis set in the gas and chloroform solvent. The impacts of the distinctive acceptors on the geometry of molecules and optoelectronic properties of these D-A monomers were discussed to dissect the connection connecting the molecular structures and the optoelectronic properties. Likewise, the HOMO – LUMO energies, atomic orbital densities are calculated theoretically. Notwithstanding the charge transfer measure between the carbazole electron donor unit and the electron acceptor one is upheld by breaking down the optical spectra of the acquired monomers and the restriction of involved HOMO and LUMO. The outcomes show that the D-A monomers, CB-ODP, CB-TDP, and CB-SDP, are acceptable for optoelectronic applications in organic solar cells like BHJ.

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“…[18][19][20] Currently, several solution-based fabrication processes have been demonstrated, and the diameter of several 10 nm can be produced by optimizing the fabrication conditions. [21][22][23] However, most research has focused on the fabrication process for ZnO nanorods and nanofibers, 24,25 and research on the influence of the ZnO seed layer on the structure of the ZnO nanorods that are produced has been limited.…”

mentioning

confidence: 99%

Inverted Organic Photovoltaic Cell with ZnO Nanorod Structure

Fukuda

Uratani

2017

Electrochemistry

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The electrical and physical properties at the interface between the ZnO electron transport/collection layer and an organic photoactive layer play important roles in determining photovoltaic performance. Therefore, we have fabricated ZnO nanorods and optimized the coating conditions used for deposition of the ZnO seed layer, which serves as a nucleation site for crystal growth. First, the relationship between the concentration of the ZnO precursor solution (zinc acetate dihydrate and hexamethylenetetramine in methanol) and diameter of the ZnO nanorods was examined, and we showed that the diameter continuously decreased with increasing concentration, reaching a minimum of 23 nm. Further, we investigated density of ZnO nanorods and photovoltaic performance of the inverted cell as a function of the rotation speed used during the spin coating process to deposit the ZnO seed layer. A low density of ZnO nanorods was obtained when the rotation speed was low, and this caused the short circuit current density, open circuit voltage, and fill factor of the organic photovoltaics to decrease. As a result, a maximum photoconversion efficiency of 3.0% was achieved, and this value was 1.6-fold greater than that measured using a reference device containing no ZnO nanorods (photoconversion efficiency: 1.9%).

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Substrate‐Oriented Nanorod Scaffolds in Polymer–Fullerene Bulk Heterojunction Solar Cells

Cited by 13 publications

References 48 publications

Copper(I) thiocyanate (CuSCN) as a hole-transport material for large-area opto/electronics

Copper(I) thiocyanate (CuSCN) as a hole-transport material for large-area opto/electronics

Theoretical design of low bandgap donor–acceptor (D-A) monomers for polymer solar cells: DFT and TD-DFT study

Inverted Organic Photovoltaic Cell with ZnO Nanorod Structure

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