Perovskite solar cells have shown a significant improvement in power conversion efficiency (PCE) from 3.8% to 22% over a period of 5 years. However, these cells lose efficiency over their operation; they degrade over … - Download [PDF]
Perovskite solar cells have shown a significant improvement in power conversion efficiency (PCE) from 3.8% to 22% over a period of 5 years. However, these cells lose efficiency over their operation; they degrade over …
Hole-transporting material plays an indispensable role in charge extraction and transportation. • Organic hole-transporting material has become the hottest topic for perovskite …
Organic photovoltaic (OPV) devices achieve close to 20% efficiency, and high intrinsic light stability of a few active layer materials has been reported under concentrated …
E. et al. High-efficiency spray-coated perovskite solar cells utilizing vacuum-assisted ... performance carbon-based perovskite solar cells without hole transport materials. J . Mater. Chem. A 7 ...
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 …
A major breakthrough in organic solar cell (OSC) development was the discovery of the donor–acceptor (D:A) bulk heterojunction (BHJ) concept 1, which in many material systems provides a fast ...
emerging renewable energy sources, such as organic solar cells (OSCs), are fundamental to mitigate the negative ... hole-transport materials such as a high conductivity, high transparency (since ...
Inverted perovskite solar cells (PVSCs) have recently made exciting progress, showing high power conversion efficiencies (PCEs) of 25% in single-junction devices and 30.5% in silicon/perovskite tandem devices. The hole transporting material (HTM) in an inverted PVSC plays an important role in determining the device performance, since it not only …
2 · Together, these three organic hole transport layers offer a suitable platform to compare organic hole transport materials in Sb 2 Se 3 solar cells to elucidate the role of organic HTMs, establish what attributes are required for effective hole transport, and determine 2
Zhan et al. introduced and effectively employed IDT derivatives (IDTs) as organic acceptor materials in organic solar cells (OSCs) [146]. The enhanced charge transport, improved solubility, and electron-deficient characteristics of IDTs could be attributed to their electron-donating fused ring core, the presence of side chains, and electron-withdrawing end …
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 ...
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
Fig. 1. Schematic of plastic solar cells. PET – polyethylene terephthalate, ITO – indium tin oxide, PEDOT:PSS – poly(3,4-ethylenedioxythiophene), active layer (usually a polymer:fullerene blend), Al – aluminium. 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 ...
The state-of-the-art organic–inorganic lead halide perovskite solar cells use organic materials as hole selective layers that are unstable, thermally and chemically, and expensive. Here we demonstrate efficient room-temperature fully-vacuum-processed planar perovskite solar cells using small-molecule organic copper phthalocyanine (CuPc), which has …
The selection of interfacial layers in organic solar cells (OSCs) is crucial for enhancing their power conversion efficiency (PCE) and operational stability. PEDOT:PSS is the most widely used hole transport layer (HTL) for high …
Spiro-OMeTAD is a widely used hole-transporting layer (HTL) material, characterized by high hole mobility and good film-forming properties, in perovskite solar cells (PSCs). However, this material has high synthesis costs, low solubility, dependence on hygroscopic dopants, and a low commercial potential. Recently, we investigated alternative …
Organic-inorganic hybrid perovskite solar cells have undergone especially intense research and transformation over the past seven years due to their enormous progress in conversion efficiencies. In this perspective, we review the latest developments of conventional perovskite solar cells with a main focus on dopant-free organic hole transporting materials (HTMs). …
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 …
Inorganic molecular clusters as a new type of hole transport material for organic solar cells (OSCs). We developed a facile method to enhance the conductivity without sacrificing its high …
Organic photovoltaic cell (OPV) has emerged as a new competitor to inorganic material-based solar cells, due to its potential application in large area, printable, and flexible solar panels. In particular, OPV cells with bulk heterojunction architecture (BHJ), in...
The performance of organic solar cells (OSCs) has increased substantially over the past 10 years, owing to the development of various high-performance organic electron–acceptor and electron ...
1 Introduction Organic solar cells (OSCs) are considered one of the most promising photovoltaic technologies for carbon neutrality due to their low cost, solution processibility, flexibility, and lightweight. [1-7] Owing to the extensive research efforts devoted to material development, device optimization, and interface engineering, the power conversion …
The past few years have witnessed power conversion efficiency (PCE) of organic solar cells (OSCs) skyrocketing to the value of 20% due to the outstanding advantages of organic photoactive materials. The latter, which consist of donor and acceptor materials, indeed play important roles in OSCs, and particularly one building block has attracted considerable …
A low-cost, small molecular monomer, 5′-bis(9–(4-vinylbenzyl)-2-carbazol)-2,2′-bithiophene, termed VB-CB, is designed, synthesized, and polymerized to form a un Binbin Wang, Lingwei Xue, Shiqi Wang, Yao Li, Lele Zang, Hongtao Liu, Zhiguo Zhang, Yongfang Li; A low-cost polymerized hole-transporting material for high performance planar perovskite solar cells.
Hole transport layer (HTL) materials, a critical component of OSCs, exert a tremendous impact on the PCE and stability of OSCs. At present, the HTL materials used in OSCs can be divided into two main categories, which are …
This Review discusses the latest progress with interlayers used in non-fullerene organic solar cells, in which the electron transporting layers are summarized from the categories of metal oxides, metal chelates, …
Organic small molecules, polymers, and phthalocyanine compounds can be utilized as dopant-free hole transport materials. Fullerene and non-fullerene derivatives like C …
Organic solar cells (OSCs), comprising a photoactive blend film of an electron-donating and an electron-accepting semiconductor, have attracted considerable research interest because flexible OSC ...
Hole-transport materials are deposited between the photoactive layer and the anode, improving the device performance. HTLs, used in conventional polymer solar cells (PSCs), were first reported in the late 1990s …
The molecular design and conformations of hole-transporting materials (HTM) have unravelled a strategy to enhance the performance of environmentally sustainable perovskite solar cells (PSC). Several attempts have been made and several are underway for improving the efficiency of PSCs by designing an efficient HTM, which is crucial to preventing corrosion, …
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 optical bandgap of organic semiconductors enables them to be more efficient in harvesting near-infrared (NIR) photons to facilitate the short-circuit …