A new series of non-fullerene acceptors with asymmetric branched alkyl chains are developed to achieve more than 20% efficiency organic solar cells. Dieter Neher News & Views29 Jan 2025Nature Materials P: 1-2 A microscopic look at degradation ...
Compared to existing techniques that measure the spatially resolved series resistance, luminescence imaging has the advantage that it is nondestructive and orders of magnitude faster. 展开 关键词: Experimental/ electric resistance elemental semiconductors silicon solar cells/ spatially resolved series ...
Commercialization is widely believed to be achievable for metal halide perovskite solar cells with high efficiency and low fabrication cost. However, stability remains a key obstacle for them to compete with established photovoltaic technologies. The pho
Perovskite solar cells (PSCs) have set off a great wave in the past decade owing to their high-performance, solution processability, low cost and potential for mass production with roll-to-roll printing technologies. Within a very short time span, a certified power conversion efficiency (PCE) ...
(c) Working mechanism of perovskite solar cells. The stability, distortion and phase in perovskite structure are dependent on the relative radii of the ions involving A, B and X [34], which is determined by the Goldschmidt tolerance factor, t = (rA + rX)/[√2(rB + rX)] (where ...
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4). To ensure a sufficiently high operating voltage for directly photo-charging LIBs, we then fabricated a PSC pack by connecting four single cells in series (top, Fig. 1). The detailed Jc, Voc, FF and η1 of these four single cells were shown in Supplementary Figs 5a and 6. As a ...
. The IBC cells with larger emitter fractions will perform better. However, larger emitter coverage often leads to more series resistance loss. Therefore, a balance between higher short-circuit current and more series resistance loss should be considered to obtain the maximum efficiency. In general,...
Nowadays, the production of solar cells has been improved since the first generation (thin-film solar cells, dye-sensitized solar cells, perovskite solar cells, and organic solar cells). In this work, the development of solar cells was discussed. The advantages, limitations, challenges, and ...