Solar Cell Triphenylamine

D-D-π-A organic dyes containing 4,4′-di (2-thienyl)triphenylamine moiety for efficient dye-sensitized solar cells

Dye-sensitized solar cells (DSSCs) are currently under intense academic and industrial investigations, because of their environmentally-friendly, efficient, and low-cost features. The photosensitizer plays a key role in determining DSSCs'' performance. The 4,4′-di(2-thienyl)triphenylamine moiety, included in

Boosting the Performance of Diketopyrrolopyrrole-Triphenylamine-Based Organic Solar Cells …

The design and development of novel and efficient donor–π–acceptor (D–π–A) type conjugated systems has attracted substantial interest in the field of organic electronics owing to their intriguing properties. In this paper, we have designed seven new and efficient D–π–A type conjugated systems (M1–M7) by a variety of π-linkers with …

Discovery of pyrrole-triphenylamine based novel organic sensitizers for dye-sensitized solar cells…

Organic solar cells are a promising new technology for the generation of renewable energy. However, their efficiency is still relatively low and therefore, demand for designing new materials and strategies to improve their performance is …

Role of LiTFSI in high T g triphenylamine-based hole transporting material in perovskite solar cell …

A hole transporting material based on triphenylamine with a high glass transition temperature (Tg) of 99 °C, coded as BT41, was synthesized and applied to a perovskite solar cell. The pristine BT41 showed a low power conversion efficiency (PCE) of 1.1% due to a low photocurrent density (Jsc) of ca. 6 mA cm−2 and an

Fine Tuning the Optoelectronic Properties of Triphenylamine Based Donor Molecules for Organic Solar Cells …

Geometrical parameters, electronic structures and photophysical properties of three new triphenylamine (TPA) and diphenylamine (DPA) based electron donor materials M1 M3 (for organic solar cells) have been investigated through density functional theory (DFT) methods at the B3LYP/6-31G(d) level of the theory. TPA and DPA are used as donor moieties due …

DFT and TD-DFT studies of new triphenylamine-based (D–A–D) donor materials for high-efficiency organic solar cells

The DFT approach of Becke''s three-parameter compound (B3LYP) was employed in all studies of triphenylamine (TPA) molecules as a donor (D) for solar cell applications in this work. We created three donor molecules (D–A–D) with a strong donor moiety of triphenylamine (TPA) connected to three distinct acceptor

Triphenylamine based dyes for dye sensitized solar cells: A review

Triphenylamine based organic dyes (with D–π–A structure) as sensitizer for dye-sensitized solar cells (DSSCs) attain considerable attention because of their structural versatility, low cost and high molar absorption coefficient. In this review discussion is …

Spectral engineering of semi-transparent dye-sensitized solar cells using new triphenylamine …

Semantic Scholar extracted view of "Spectral engineering of semi-transparent dye-sensitized solar cells using new triphenylamine-based dyes and an iodine-free electrolyte for greenhouse-oriented applications" by D. Chalkias et al. DOI: 10.1016/J.JPOWSOUR.2021.229842

Recent progress on triphenylamine materials: synthesis, …

[1] [2] [3] The introduction of triphenylamine group into the structure of complexes of transition metal ions leads to obtaining of materials which can be used in solar cells, 4, 5 organic ...

TRIPHENYLAMINE

Triphenylamine-thienylenevinylene hybrid systems with internal charge transfer as donor materials for heterojunction solar cells. 2006 Mar 15 16522126 Effect of branching on two-photon absorption in triphenylbenzene derivatives. 2007 Apr 2 17295344 Tuning the ...

Boosting inverted perovskite solar cell performance by using 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine …

In this study, two newly developed small molecules based on 9,9-bis(4-diphenylaminophenyl)fluorene functionalized with triphenylamine moieties, namely TPA-2,7-FLTPA-TPA and TPA-3,6-FLTPA-TPA, are designed, synthesized and characterized. The electrochemical, optical and thermal properties of both materials ar

Triarylamines—A Versatile Molecular Building Block for …

Triphenylamine (TPA), a propeller-shaped, electron-rich molecular motif has been an integral part of several functional materials that require π–conjugation, an extension of molecular structure with the ease of functionalization, and judiciously tailorable structures for ...

The evolution of triphenylamine hole transport materials for …

To optimize the efficiency of the solar cells to achieve efficiencies closer to rival silicon-based technology, TPA building blocks must exhibit favourable electrochemical, photophysical, and photochemical properties that can …

Triphenylamine-based electroactive compounds: synthesis, …

This review is devoted to low and high molecular mass electroactive materials containing triphenylamine (TPA) structural units. It is shown that by appropriate selection of C–C coupling methods, it is possible to obtain solution-processable, electroactive materials of tunable donor–acceptor properties, suitable for the use as active layers in p-channel or …

Terminal Acceptor-Driven designing of fused Triphenylamine …

This study presents the rational design of small organic molecules for perovskite and organic solar cells. The design employs fused triphenylamine cores with peripheral bis-dimethylfluorenyl donor moieties and …

Solvent effect on the efficiency of triphenylamine-based dye-sensitized solar cells…

Dye-sensitized solar cells (DSSCs) were developed by Grätzel and O''Regan in 1991 [7] which is a promising alternative to other solar cells due to its unique characteristics such as low cost in fabrication, environmentally friendly, high efficiency, flexibility, and[8],

Efficient and Stable Inverted Planar Perovskite Solar …

Small molecule, big results: Inverted perovskite solar cells were fabricated using 4,4′,4′′-tris (N -3-methylphenyl- N -phenylamino) triphenylamine (m -MTDATA) as a small-molecule-based hole …

Interfacial versus Bulk Properties of Hole-Transporting Materials for Perovskite Solar Cells: Isomeric Triphenylamine …

Here, we report on three new triphenylamine-based enamines synthesized by condensation of an appropriate primary amine with 2,2-diphenylacetaldehyde and characterized by experimental techniques and density functional theory (DFT) computations. Experimental results allow highlighting attractive properties including solid-state ionization …

Triphenylamine based donor-acceptor-donor type small molecules for organic solar cells

Boosting inverted perovskite solar cell performance by using 9, 9-bis (4-diphenylaminophenyl) fluorene functionalized with triphenylamine as a dopant-free hole transporting material J. Mater. Chem.

Influence of triphenylamine derivatives in efficient dye …

Dye-sensitized/organic solar cells (DS/O-SCs) have gradually improved their power conversion efficiencies (PCEs) and are now being considered for commercialization.

A review on triphenylamine (TPA) based organic hole …

In this review article, the important features (optical, thermal and electrochemical) of triphenylamine (TPA) based organic hole transport materials (HTMs) in accordance with their structural diversities are …

Triarylamines—A Versatile Molecular Building Block for …

Triphenylamine (TPA), a propeller-shaped, electron-rich molecular motif has been an integral part of several functional materials that require π–conjugation, an extension of molecular structure with the ease of functionalization, and judiciously tailorable...

A novel multifunctional C3-symmetric triphenylamine discotic …

A novel multifunctional C 3-symmetric triphenylamine discotic liquid crystal: synthesis, columnar self-assembly, organogel behavior, selective detection of PA and application in Si solar cells† Lu Liu, ‡ a Jiayang Li, ‡ b He Zhu, a Hanyan Yang, a Xi Feng, a Daping Xiao, a Yu Yang * b and Hongfei Gao * a

The evolution of triphenylamine hole transport materials for efficient perovskite solar cells …

The evolution of triphenylamine hole transport materials for ...

Benzothiadiazole–triphenylamine as an efficient exciton blocking layer in small molecule based organic solar cells

We have designed a small molecule based on benzothiadiazole–triphenylamine moieties (BTD–TPA2), composed of an electron-poor benzothiadiazole core with two electron-rich triphenylamine arms. BTD–TPA2 was synthesized in a facile manner using a Suzuki cross-coupling reaction. The molecule was rationally design

Steric Effect of N -Substituted Triphenylamine on Double-Anchored Phenothiazine Dye-Sensitized Solar Cells

Bulky N-substituents of 4-(hexyloxy) phenyl-substituted and 4-(hexylthio)phenyl-substituted triphenylamine (TPA) were successfully introduced into double-anchored phenothiazine (PTZ) dyes (TY1–TY3) as capping moieties for metal-free organic sensitizers in dye-sensitized solar cells (DSSCs). Among TY dyes, the N …

Passivation of Inverted Perovskite Solar Cells by Trifluoromethyl-Group-Modified Triphenylamine …

In this work, we synthesized trifluoromethyl group series modified triphenylamine dibenzofulvenes, named as CC-1–3, as a hole transporting interfacial layer to obtain well-matched energy levels and long-term stability features in NiOx-based inverted perovskite solar cells. The optical and thermal properties of these new compounds were …

Efficient furan-bridged dibenzofulvene-triphenylamine hole transporting materials for perovskite solar cells

A dibenzofulvene-triphenylamine HTM with thiophene as the side-arm bridge (FT-OMeTPA) is also prepared. The effect of heteroatomic sulfur-to-oxygen change on the molecular and photovoltaic properties in perovskite solar cells was investigated.

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