Efficient and stable organic solar cells enabled by ...
Efficient and stable organic solar cells enabled by …
Efficient and stable organic solar cells enabled by ...
Bulk Heterojunction Photovoltaic Cells with Low Donor …
With fullerene as the acceptor, high open-circuit voltages are achieved using a donor–acceptor bulk heterojunction with a low concentration of donor in …
Spin-enhanced organic bulk heterojunction photovoltaic solar cells
Recently, much effort has been devoted to improve the efficiency of organic photovoltaic solar cells based on blends of donors and acceptors molecules in bulk heterojunction architecture. One of ...
Bulk heterojunction photovoltaic cells based on room temperature liquid crystalline tetrathiafulvalene derivatives …
Bulk heterojunction photovoltaic cells based on room temperature liquid crystalline tetrathiafulvalene derivatives Lei Wang National Center for Nanoscience and Technology (NCNST), Beijing, PR China Soo-Yeon Park Dept. of Polymer/Nano Science and Technology, Chonbuk National University, Jeonju, Korea
A fullerene–single wall carbon nanotube complex for polymer bulk heterojunction photovoltaic cells
A novel immobilized fullerene–single wall carbon nanotube (C60–SWCNT) complex was synthesized via a microwave induced functionalization approach. It has been used as a component of the photoactive layer in a bulk heterojunction photovoltaic cell. As compared to a control device with only C60, the addition of
Influence of exponential tail states on photovoltaic parameters and recombination of bulk heterojunction organic solar cells…
Recombination is an important loss mechanism in organic solar cells. Here, both free charge and trapped charge carriers are taken into account in order to calculate the recombination rate. Trapped charge carriers are approximated by an exponential tail between the conduction band and valence band, and recombination is …
Phys. Rev. B 109, 205201 (2024)
It has long been argued that the performance of organic bulk-heterojunction solar cells critically depends on the morphology of the active layer, a mixture of donor and acceptor materials in which the charge generation from sunlight occurs. In this work, optical homogenization principles are utilized to model the structure of the common active layer …
Thermal Stabilisation of Polymer–Fullerene Bulk Heterojunction Morphology for Efficient Photovoltaic Solar Cells …
Advanced Materials, one of the world''s most prestigious journals, is the home of choice for best-in-class materials science for more than 30 years. A novel stable bisazide molecule that can freeze the bulk heterojunction morphology at its optimized layout by specifically bonding to fullerenes is reported. ...
Impact of Alkyl-Based Side Chains in Conjugated Materials for Bulk Heterojunction Organic Photovoltaic Cells…
The research for efficient organic materials organized in bulk heterojunction (BHJ) thin films for organic photovoltaics (OPVs) has shown a significant breakthrough in the past decade. Desired structural organization can be attained through various strategies. In this regard, the current review highlights tuning of alkyl chains …
Efficient and stable organic solar cells enabled by …
The OSCs based on multicomponent photoactive layer deliver a high power conversion efficiency of 11.8% and exhibit excellent device stability for over 1000 h …
SnPc:C60 bulk heterojunction organic photovoltaic cells with …
Fig. 2 (a) shows the photo J–V characteristics of the organic photovoltaic cells as a function of the SnPc:C 60 bulk heterojunction layer thickness. The J SC of the organic photovoltaic cells increases with increasing thickness of the SnPc:C 60 bulk heterojunction layer and its value increases from 3.3 mA/cm 2 for the cell with a 6-nm …
Enhanced bulk photovoltaic effect in two-dimensional ferroelectric …
The bulk photovoltaic effect (BPVE), a kind of nonlinear optical process that converts light into electricity in solids, has a potential advantage in a solar cell with …
Layer-by-Layer Organic Photovoltaic Solar Cells …
In the field of polymer-based photovoltaic cells, P3HT and PCBM are, to date, the most-studied active materials around the world for the bulk-heterojunction structure. Various power conversion efficiencies …
Bulk Heterojunction Solar Cells: Morphology and Performance …
PTB7-Th-Based Organic Photovoltaic Cells with a High VOC of over 1.0 V via Fluorination and Side Chain Engineering of Benzotriazole-Containing Nonfullerene …
Recent progress in the theory of bulk photovoltaic effect
The bulk photovoltaic effect (BPVE) occurs in solids with broken inversion symmetry and refers to DC generation due to uniform illumination, without the need of …
Bulk photovoltaic effect and high mobility in the polar 2D …
Emerging electro-optical applications can exploit properties that arise from particular lattice symmetries, such as the bulk photovoltaic effect (BPVE) in non …
Controlled growth of a molecular bulk heterojunction photovoltaic cell
The power conversion efficiency of organic photovoltaic cells has increased with the introduction of the donor–acceptor heterojunction that serves to dissociate strongly bound photogenerated excitons1. Further efficiency increases have been achieved in both polymer2,3 and small-molecular-mass4 organic photovoltaic cells …
Photovoltaic Solar Cells
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Short-lived charge-transfer excitons in organic photovoltaic cells studied by high-field magneto-photocurrent | Nature …
The main route of charge photogeneration in efficient organic photovoltaic cells based on bulk hetero-junction donor–acceptor blends involves short-lived charge-transfer excitons at the donor ...
Advancements in Photovoltaic Cell Materials: Silicon, Organic, and Perovskite Solar Cells
The evolution of photovoltaic cells is intrinsically linked to advancements in the materials from which they are fabricated. This review paper provides an in-depth analysis of the latest developments in silicon-based, organic, and perovskite solar cells, which are at the forefront of photovoltaic research. We scrutinize the unique characteristics, …
