Results 201 to 210 of about 17,210 (258)

Charge Generation and Recombination Pathways in All‐Polymer Bulk Heterojunction Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
Multimodal spectroscopy and device analysis reveal how field‐dependent charge generation, transport limitations, and non‐geminate recombination govern performance losses in all polymer solar cells. The results identify the key processes controlling charge extraction and recombination, providing insights for the design of more efficient all‐polymer ...
Shahidul Alam   +17 more
wiley   +1 more source

Biomimetic Microfractals Based Flexible Triboelectric Nanogenerators

open access: yesAdvanced Functional Materials, EarlyView.
A leaf‐skeleton‐based microfractal architecture is integrated with guided CuNW networks and biomimetic triboelectric polymer layers, enabling breathable, flexible, and material‐efficient triboelectric nanogenerators. The resulting system combines enhanced charge generation and charge transport, offering potential for next‐generation self‐powered ...
Amit Barua   +7 more
wiley   +1 more source

Mode Synthesis and Quasi-modal Method

Mathematics for Industry, 2017
Modal analysis consists of superposing eigenmodes ϕ i , weighted according to the modal coordinates η i, through all modes. The modal coordinates no longer have the representation of the original physical coordinates. This chapter discusses methods to reduce the order of the system while preserving the physical coordinates as far as possible.
Osami Matsushita   +4 more
openaire   +3 more sources

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