Fig. 1: Typical organic solar cell device structure and representative photoactive materials used in organic solar cells. a, A typical organic solar cell (OSC) comprises an electron-transport later (ETL), hole-transport layer (HTL), transparent conducting layer (TCL) and a photoactive layer.
a, A typical organic solar cell (OSC) comprises an electron-transport later (ETL), hole-transport layer (HTL), transparent conducting layer (TCL) and a photoactive layer. The photoactive layer is composed of a blend of acceptor and donor materials, which form a bulk heterojunction.
Photoactive layers of the OSCs are composed of a blend of a p -type organic semiconductor as a donor (D) and an n -type organic semiconductor as acceptor (A).
As a successful branch of OPV, polymer solar cells (PSCs) have attracted much attention. Typically, the active layer PSC device is composed of a blend film of conjugated polymer (as electron donor) and a small molecular acceptor.
All-polymer solar cells (all-PSCs) are OSCs in which both the donor and acceptor components are polymers. In one of the first examples of BHJ OSCs, reported in 1995, two polymers, MEH-PPV and CN-PPV (Supplementary Fig. 1), were used to construct the photoactive layer 140.
Zhou, J. et al. Small molecules based on benzo [1,2-b:4,5-b′]dithiophene unit for high-performance solution-processed organic solar cells. J. Am. Chem. Soc. 134, 16345–16351 (2012). Kan, B. et al. Solution-processed organic solar cells based on dialkylthiol-substituted benzodithiophene unit with efficiency near 10%. J. Am. Chem.
The morphology of the active layer with D/A nano-scaled aggregation and face-on π-conjugated packing, and D/A interpenetrating network is crucial for achieving high photovoltaic performance of the OSCs.
Organic solar cells (OSCs) are one of the leading candidates for next-generation solar technologies, owing to their attractive features such as lightweight, flexibility, and low …
Additive-assisted layer-by-layer deposition creates a bulk p-i-n structure and vertically segregated fibril network morphology in the active layer of organic solar cells. This morphology optimizes exciton and carrier diffusion, thereby …
An Organic photovoltaic cell (OPV) cell is composed of a film of organic photovoltaic active layer, sandwiched between a transparent electrode and a metal electrode. …
For example, a study by Zhou reported the optimization of the thickness of the active layer in organic solar cells, resulting in improved device efficiencies. Processing …
You need active layer with a right band gap, ~1.1 eV, to absorb photons (sun light). The photon then excites a electron from valence band (or HOMO if molecule) to conduction band (or …
Figure 2 shows the photovoltaic characteristics of perovskite solar cells with different active layer thicknesses. Figure 2a,b shows the J–V curves and IPCE spectra of the …
Based on the classical and efficient PM6:L8-BO active system, this paper systematically studies the effects of annealing temperature, film thickness, solvent additives, …
To expedite the transition of OSCs from laboratory to industrial high-throughput manufacturing, considerable efforts have been made to comprehend the performance …
The active layer is composed of donor and acceptor materials, and the metal electrode serves for the collection of electrons. ... Later, blended PDBT-T1 with ITIC-Th as …
This Review summarizes the types of materials used in the photoactive layer of solution-processed organic solar cells, discusses the advantages and disadvantages of …
The morphology of the active layer with D/A nano-scaled aggregation and face-on π-conjugated packing, and D/A interpenetrating network is crucial for achieving high …
Solid additives play a crucial role in developing highly efficient organic solar cells (OSCs) by improving intermolecular interactions between polymer donors and acceptors, …
Optimized morphology of the active layer and electrode interface is critical for obtaining high-performance organic solar cells. However, achieving this typically involves a multifaceted, sequential process that …
Additive-assisted layer-by-layer deposition creates a bulk p-i-n structure and vertically segregated fibril network morphology in the active layer of organic solar cells. This morphology optimizes …
Based on the classical and efficient PM6:L8-BO active system, this paper systematically studies the effects of annealing temperature, film thickness, solvent additives, …
This review aims to provide a comprehensive summary of the mechanisms that lead to efficiency loss in thick active-layer OSCs, the representative works on molecular design, and the optimization strategies for …
Optimized morphology of the active layer and electrode interface is critical for obtaining high-performance organic solar cells. However, achieving this typically involves a …
In this work, guanidinium (GA+) was doped into methylammonium lead triiodide (MAPbI3) perovskite film to fabricate perovskite solar cells (PSCs). To determine the optimal …
The perovskite solar cell devices are made of an active layer stacked between ultrathin carrier transport materials, such as a hole transport layer (HTL) and an electron …
Additive strategy is an effective method for optimizing the morphology of active layer in organic solar cells (OSCs). However, common high boiling points solvent additives …
This review aims to provide a comprehensive summary of the mechanisms that lead to efficiency loss in thick active-layer OSCs, the representative works on molecular …
The development of new materials utilized in active layers for solar cells has been a topic of interest for researchers, such as organic materials, polymer materials, colloidal …
Here, we elucidate the influence of active layer thickness and defect density on the photovoltaic performance of lead-free CsSn 0.5 Ge 0.5 I 3 perovskite solar cells (PSCs). …
Nature Communications - Reliably controlling the morphology in organic solar cells is desired for up-scaling. Here Weng et al. combine the advantages of the fibril network …