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 reducing recombination losses. Additionally, the micron-scale wrinkle-patterned morphology enhances the light capture …
Organic Bulk-Heterojunction Solar Cells Non-fullerene solar cells have shown a remarkable development with the device efficiency exceeding 17%. Here, we utilizedin-situ measurements, including investigate the charge separation at D:A interfaces at the device
This study introduces a novel self-assembling deposition (SAD) method utilizing synthesized molecules BPC-M, BPC-Ph, and BPC-F, simplifying the fabrication while achieving high-performance of organic solar cells (OSCs). BPC-M notably enhances power conversion efficiency to 19.3%, highlighting the balance of thermodynamic forces and intermolecular …
6 · Benefiting from the innovations in molecular design and device engineering 1,2,3,4,5, organic solar cells (OSCs) have undergone a substantial progress in the past decade …
Conventional self-assembled monolayer (SAM) hole transporters in organic solar cells (OSCs) generally suffer from poor uniformity and limited thickness tolerance, hindering their large-scale production. To overcome these limitations, we introduce a novel polymeric hole transporter synthesized by polymerizing carbazole phosphonic acid (PACz). The resultant Poly …
In organic solar cells, the charge-transfer (CT) electronic states that form at the interface between the electron-donor (D) and electron-acceptor (A) materials have a crucial role in ...
2 · 1 Introduction Sb 2 Se 3 based thin film solar cells are an emergent technology which have seen rapid improvements in device efficiency over the past decade. Sb 2 Se 3 has a high absorption coefficient, [1] contains relatively non-toxic and abundant constituent elements, [2] and does not suffer from stability issues observed in other solar technologies. [3]
Global energy demand is increasing; thus, emerging renewable energy sources, such as organic solar cells (OSCs), are fundamental to mitigate the negative effects of fuel ...
In organic photovoltaics, morphological control of donor and acceptor domains on the nanoscale is the key for enabling efficient exciton diffusion and dissociation, carrier …
Lin, Y. et al. Self-assembled monolayer enables hole transport layer-free organic solar cells with 18% efficiency and improved operational stability. ACS Energy Lett. 5, 2935–2944 (2020).
Beyond traditional PVs based on crystalline silicon, solution-processed thin-film solar cells (TFSCs) demonstrate significant benefits in simple, cost-effective procedures compatible with various substrates. 1 Recently, the …
As a new generation of solid-state film cells, organic solar cells (OSCs) have become the research focus in the field of renewable energy sources, and the reported power conversion efficiencies (PCEs) have been boosted to 18%. Hole transport layer (HTL) materials, a critical component of OSCs, exert a tremen
This research offers a significant contribution to the field of organic solar cells (OSCs), specifically addressing the complexity of traditional fabrication methods. By utilizing …
In organic hole-transporting material (HTM)-based p−i−n planar perovskite solar cells, which have simple and low-temperature processibility feasible to flexible devices, the incident ...
3 · NiOx is regarded as a kind of promising hole transport material in inverted perovskite solar cells (PSCs); however, the uncontrolled defects and unfavorable reactions within the …
Facile Approach for Efficient Non-Fullerene-Based Binary and Ternary Organic Solar Cells Using Hydrated Vanadium Pentoxide as a Hole Transport Layer. ACS Applied Energy Materials 2023, 6 (6), 3442-3451.
This article provides a comprehensive summary of the progress made in the development of organic compounds that facilitate the flow of holes and electrons in perovskite solar cells. The efficiency of the PSCs in collecting holes and electrons from the perovskite material is significantly dependent on the characteristics of the hole and electron-transporting …
This study presents a novel approach to enhancing the performance of perovskite solar cells (PSCs) by integrating Poly[(9,9-dihexenefluorenyl-2,7-diyl)-alt-co-(N,N''bis{p-butylphenyl}-1,4-diaminophenylene] (PDF-co-BBPB) (ADS252BE), a nitrogen-rich hole conducting polymer traditionally employed in organic light-emitting diode (OLEDs). The primary innovation …
Recent studies on narrow bandgap all-conjugated block copolymer (BCP) single-material–organic solar cells (SMOSCs) have made unprecedented progress in power …
Abstract Organic solar cells (OSCs) based on polymer donor and non-fullerene acceptor achieve power conversion efficiency (PCE) ... leaving the ICL collecting the holes from one sub-cell and electrons from the other sub-cell. Therefore, a high conductivity ICL is ...
An organic solar cell (OSC [1]) or plastic solar cell is a type of photovoltaic that uses organic electronics, a branch of electronics that deals with conductive organic polymers or small organic molecules, [2] for light absorption and charge transport to produce electricity from sunlight by the photovoltaic effect..
Figure 1.(A) Schematic of a conventional organic solar cell (OSC).(B) Chemical structures of the active layer materials used in this work.(C) J–V characteristics and (D) external quantum efficiency curves of the devices with four hole transport layers (HTLs).
Quaternary organic solar cells (q-OSCs) achieve a power conversion efficiency (PCE) of 17.73%, which is by far the highest reported PCE to date for q-OSCs. The quaternary devices significantly outperform the corresponding binary and ternary devices with various material combinations displaying the enormous potential of the quaternary blend system through rational design. We …
Organic/Si hybrid solar cells have attracted considerable attention for their uncomplicated fabrication process and superior device efficiency, making them a promising candidate for sustainable energy applications. However, the efficient collection and separation of charge carriers at the organic/Si heterojunction interface are primarily hindered by the …
Organic solar cells (OSCs) represent an important emerging photovoltaic (PV) technology that can be produced by high-throughput solution processing from a vast array of organic semiconductors. 1–4 The tunable …
This article provides a comprehensive summary of the progress made in the development of organic compounds that facilitate the flow of holes and electrons in perovskite …
Global energy demand is increasing; thus, emerging renewable energy sources, such as organic solar cells (OSCs), are fundamental to mitigate the negative effects of fuel consumption. Within OSC''s advancements, the development of efficient and stable interface materials is essential to achieve high performance, long-term stability, low costs, and broader …
This Review summarizes the types of materials used in the photoactive layer of solution-processed organic solar cells, discusses the advantages and disadvantages of …
In recent years, there is a huge effort to the development of efficient, flexible, environmentally stable and lightweight organic bulk heterojunction solar cells (BHJ SCs) 1,2,3,4.These devices ...
Consequently, a highly efficient GPT-LBL organic solar cell (OSC) with a power conversion efficiency (PCE) of 19.41% (certified 19.0%) was achieved. Noticeably, the large-area (1.03 cm 2 ) device for GPT-LBL OSCs yields a satisfactory PCE of 17.52% in open-air blade coating, which is one of the best values in green-solvent-processed OSCs.
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 ...
Hole-transporting layers (HTLs) are an essential component in inverted, p–i–n perovskite solar cells (PSCs) where they play a decisive role in extraction and transport of holes, surface passivation, perovskite …
In many LCSCs, including perovskite solar cells and organic solar cells, a hole transport layer (HTL) is utilized to speed up the extraction and transportation of positive charge carriers (holes) from the active layer to the …
We developed a triazatruxene-based hole transport material (HTM), 3Ka-DBT-3Ka, aiming to enhance band alignment and augment charge generation and collection in devices, as an alternative for 1,2-ethanedithiol (EDT). The PbS CQD solar cells employing 3Ka-DBT-3Ka as the HTM achieve a peak efficiency of 11.4%,
Perovskite solar cells (PSCs) have become particularly appealing to the photovoltaic community due to its tremendous growth in performance over the last few decades. The adoption of lead-based perovskite solar cells is hindered by concerns about toxicity and durability. In recent years, studies related to PSCs have focused on these difficulties by …
A better design of organic bulk heterojunction solar cells needs a deeper understanding of the behaviour of photo-induced electron–hole pairs. Vithanage et al. experimentally identify fast ...
