Defect-passivating organic/inorganic bicomponent hole-transport layer for high efficiency metal-halide perovskite device

S Lee, J Lee, H Park, J Choi, HW Baac… - … Applied Materials & …, 2020 - ACS Publications
In this work, we introduce a bicomponent hole-transport layer, composed of inorganic NiO x
and a donor–acceptor–donor (D–A–D)-structured organic small molecule, for p–i–n planar …

Recent advances on phenoxazine-based hole transporting molecules for perovskite solar cells

F Dumur - Chemical Physics, 2024 - Elsevier
SpiroOMeTAD is a well-recognized hole-transport materials for perovskite solar cells
(PSCs). Besides, due to a complex synthesis, this compound is costly and alternatives to this …

Pyridyl-functionalized spiro [fluorene–xanthene] as a dopant-free hole-transport material for stable perovskite solar cells

B Yadagiri, TH Chowdhury, Y He, R Kaneko… - Materials Chemistry …, 2021 - pubs.rsc.org
Hole-transport materials (HTMs) play a critical role in perovskite solar cells (PSCs) for
achieving high efficiency and stability. Herein, we have designed and synthesized an HTM …

Defect Passivation by a Donor–Acceptor–Donor‐Structured Small Molecule via Bidentate Anchoring for Efficient and Stable Perovskite Solar Cells

S Sandhu, B Yadagiri, S Muthu, AK Kaliamurthy… - Solar …, 2022 - Wiley Online Library
Perovskite solar cells (PSCs) have exhibited a tremendous photovoltaic performance over
the past few years. However, the ionic nature of perovskite and the solution‐processable …

Novel dopant-free hole-transporting materials for efficient perovskite solar cells

IM Abdellah, TH Chowdhury, JJ Lee, A Islam… - Solar Energy, 2020 - Elsevier
Two novel highly conjugated small organic molecules as hole transporting materials (HTMs)
coded T (EDOT-TPA) 2 and DBT (QT-TPA) 2 were designed and developed by utilizing …

Triphenylimidazole substituted D-π-D porphyrin based dopant-free hole transport materials for perovskite solar cells

K Devulapally, TH Chowdhury, Y He, MN Rajesh… - … of Photochemistry and …, 2023 - Elsevier
Hole-transport materials (HTMs) contribute an important function in perovskite solar cells
(PSCs) for achieving favourable photovoltaic performance with durability. In this work, we …

Effect of branching on the delayed fluorescence and phosphorescence of simple borylated arylamines

S Pagidi, NK Kalluvettukuzhy, P Thilagar - Inorganic Chemistry, 2020 - ACS Publications
A donor-π-acceptor strategy is being well exploited in several fields in view of their robust
optical properties. However, the impact of branching in quadrupolar [A-(π-D) 2] and …

Synthesis of spirodithienogermole with triphenylamine units as a dopant-free hole-transporting material for perovskite solar cells

J Ohshita, K Kondo, Y Adachi, M Song… - Journal of Materials …, 2021 - pubs.rsc.org
Spiro-condensed dithienogermoles with electron-donating aromatic substituents were
prepared by Pd-catalyzed Stille coupling reactions of spirobi (dibromodithienogermole) and …

Application of small molecules based on a dithienogermole core in bulk heterojunction organic solar cells and perovskite solar cells

B Yadagiri, K Narayanaswamy… - Materials Chemistry …, 2020 - pubs.rsc.org
We report the synthesis and characterization of a dithienogermole (DTGe) based small
molecule, named Ge-PO-2CN, as a donor material for bulk heterojunction (BHJ) organic …

[HTML][HTML] Phenoxazine and diketopyrrolopyrrole based donor-acceptor conjugated polymers: synthesis and optical properties

TT Bui, TH Nguyen, BK Doan, LTT Nguyen, CD Tran… - Polímeros, 2023 - SciELO Brasil
While numerous phenoxazine-based small molecules developed for organic electronic
devices, very limited attention has been received on synthesized conjugated polymers …