Herein, a series of small molecules with triazatruxene, benzodithiophene, triphenylamine, and dithienosilole electron donor core units were designed and explored as solution-processed dopant-free hole-transport materials for perovskite solar cells.
Asymmetric modification in small molecule donors of organic solar cells is essential to enhance performance for several key reasons, such as enabling the fine-tuning of energy levels within the donor material, and ensuring better alignment with the acceptor. This alignment optimizes the charge generation and extraction process.
All-small-molecule organic solar cells (all-SMOSCs) exhibit tremendous potential for commercialization thanks to their unique advantages, including a well-defined molecular structure, ease of synthesis, and batch-to-batch reproducibility. However, both high power conversion efficiencies (PCEs) and long-term
All-small-molecule organic solar cells with over 14% efficiency by optimizing hierarchical morphologies. Nat. Commun. 10, 5393 (2019). Xu, T. et al. 15.8% efficiency binary all-small-molecule organic solar cells enabled by a selenophene substituted sematic liquid crystalline donor.
Solution-processed small-molecule BHJ (SM BHJ) solar cells have received less attention, and their efficiencies have remained below those of their polymeric counterparts 10. Here, we report efficient solution-processed SM BHJ solar cells based on a new molecular donor, DTS (PTTh 2) 2.
Tetrahydrofuran-fabricated all-small-molecule organic solar cells based on BM-ClEH:BO-4Cl achieved high power conversion efficiencies of 15.0% in binary device and 16.1% in ternary device under thermal annealing treatment.
This work promotes the development of non-halogen solvent processing of all-small-molecule organic solar cells and provides further guidance. Organic solar cells (OSCs), featuring unique merits such as light-weight, mechanically flexible and semitransparent, have shown great promising in future smart city 1, 2, 3, 4.
Herein, a series of small molecules with triazatruxene, benzodithiophene, triphenylamine, and dithienosilole electron donor core units were designed and explored as solution-processed dopant-free hole-transport materials for perovskite solar cells.
Asymmetric modification in small molecule donors of organic solar cells is essential to enhance performance for several key reasons, such as enabling the fine-tuning of energy levels within the donor material, and ensuring better alignment with the acceptor.
Organic photovoltaic (OPV) materials, especially small molecule donor materials (SMDMs) have enormous potential to revolutionize the solar energy sector. However, to be a viable alternative to the polymer donor counterparts, SMDMs must have high power conversion efficiency (PCE).
Herein, a series of small molecules with triazatruxene, benzodithiophene, triphenylamine, and dithienosilole electron donor core units were designed and explored as solution-processed dopant-free hole-transport materials for …
We review a few classes of small molecule solar cell materials and discuss their properties in devices. We discuss device concepts for small molecule organic solar cells, in particular pin devices based on doped transport layers and cascade designs.
Solution-processed small-molecule BHJ (SM BHJ) solar cells have received less attention, and their efficiencies have remained below those of their polymeric counterparts 10.
Organic solar cells (OSCs) have attracted widespread attention as a potentially low-cost technology for solar power generation due to their advantages, such as lightweight, high throughput, semitransparency, and flexibility. 1, 2, 3 Currently, the power conversion efficiency (PCE) of polymer-based OSCs, which are based on polymer donors and small-molecule …
1.2.2 Materials Used for Small Molecule Solar Cells: An Overview. Small molecule OSCs processed in vacuum or from solution are used in the best-performing organic solar cells, reaching efficiencies up to 13.2% [44, 45]. Small molecules have significant advantages over their polymeric counterparts due to their well-defined molecular structure, …
Tetrahydrofuran-fabricated all-small-molecule organic solar cells based on BM-ClEH:BO-4Cl achieved high power conversion efficiencies of 15.0% in binary device and …
Organic photovoltaic (OPV) materials, especially small molecule donor materials (SMDMs) have enormous potential to revolutionize the solar energy sector. However, to be a …
Tetrahydrofuran-fabricated all-small-molecule organic solar cells based on BM-ClEH:BO-4Cl achieved high power conversion efficiencies of 15.0% in binary device and 16.1% in ternary device...
All-small-molecule organic solar cells (all-SMOSCs) exhibit tremendous potential for commercialization thanks to their unique advantages, including a well-defined molecular structure, ease of synthesis, and batch-to-batch reproducibility. However, both high power conversion efficiencies (PCEs) and long-term
High-efficiency n–i–p perovskite solar cells generally incorporate organic hole-transport layer materials such as spiro-OMeTAD or PTAA, which have intrinsically low charge carrier mobility and therefore require doping to improve transport …
All-small-molecule organic solar cells (all-SMOSCs) exhibit tremendous potential for commercialization thanks to their unique advantages, including a well-defined molecular structure, ease of synthesis, and batch-to …
Jiang, K. et al. Alkyl chain tuning of small molecule acceptors for efficient organic solar cells. Joule 3, 3020–3033 (2019). Article CAS Google Scholar
Asymmetric modification in small molecule donors of organic solar cells is essential to enhance performance for several key reasons, such as enabling the fine-tuning of …
Chemically modifiable small-molecule hole transport materials (HTMs) hold promise for achieving efficient and scalable perovskite solar cells (PSCs). Compared to …
In the following, we will introduce the development history, molecular structures, as well as physicochemical and photovoltaic properties of organic small molecule acceptor photovoltaic materials, including fullerene derivatives, narrow bandgap SMAs, and non-fused-ring SMAs, in more detail. Furthermore, based on the structural characteristics ...
Chemically modifiable small-molecule hole transport materials (HTMs) hold promise for achieving efficient and scalable perovskite solar cells (PSCs). Compared to emerging self-assembled monolayers, small-molecule HTMs are more reliable in terms of large-area deposition and long-term operational stability. However, current small-molecule HTMs in …
In recent studies, wide bandgap polymer donors and A-DA''D-A type small molecule electron acceptors (SMEAs)-based polymer solar cells (PSCs) have achieved high FF and J SC. However, the V OC has not shown significant progress, which limits the further enhancement of PSCs performance.
The conjugated small-molecule materials of organic solar cells have always played a crucial role in light-harvesting, charge transport, morphology optimization, and the attainment of efficient devices. The advancement of novel materials and the understanding of underlying molecular design rules serve as the driving force for furthering ...
Nowadays hole-transporting materials based on conductive small organic molecules and polymers have become the hottest topic in high-performance perovskite solar cells. Currently, the perovskite solar cells have reached certified power conversion efficiency of 22.1%. 2,2′,7,7′-tetrakis ...
Solution-processed small-molecule BHJ (SM BHJ) solar cells have received less attention, and their efficiencies have remained below those of their polymeric counterparts 10.
Chemically modifiable small-molecule hole transport materials (HTMs) hold promise for achieving efficient and scalable perovskite solar cells (PSCs). Compared to emerging self-assembled monolayers, small-molecule HTMs are more reliable in terms of large-area deposition and long-term operational stab …
This review article discusses the current designs and synthetic procedures for organic small molecules as hole-transporting materials (HTMs) with a focus on their structure–property correlation, conductivity, and photovoltaic …
We review a few classes of small molecule solar cell materials and discuss their properties in devices. We discuss device concepts for small molecule organic solar cells, in …
The conjugated small‐molecule materials of organic solar cells have always played a crucial role in light‐harvesting, charge transport, morphology optimization, and the attainment of efficient devices. The advancement of novel materials and the understanding of underlying molecular design rules serve as the driving force for furthering efficient and stable …
The conjugated small-molecule materials of organic solar cells have always played a crucial role in light-harvesting, charge transport, morphology optimization, and the attainment of efficient devices. The advancement of novel materials and the understanding of …
Scientific Reports - Exploration of promising optical and electronic properties of (non-polymer) small donor molecules for organic solar cells Skip to main content Thank you for visiting nature .
In the following, we will introduce the development history, molecular structures, as well as physicochemical and photovoltaic properties of organic small molecule acceptor …
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