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等离子纳米粒子在环境条件下促进太阳能发电

Radha Krishna Kashyap¹, Pramod P Pillai¹

¹Department of Chemistry, Indian Institute of Science Education and Research (IISER) Pune, Dr. Homi Bhabha Road, Pashan, Pune 411 008, India.

|April 25, 2024

概括

太阳能热电发电机 (STEGs) 在环境条件下使用金纳米粒子 (AuNP) 太阳能吸收器实现高效率. 这种等离子体增强显著提高了性能,使绿色生产等应用成为可能.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
可再生能源可再生能源是可再生能源.

背景情况:

太阳能热电发电机 (STEG) 为太阳光转化为电力提供了一条途径.
传统的STEG需要真空条件和专用材料才能达到最佳性能.
由于热损失机制,STEGs的环境操作具有挑战性.

研究的目的:

为了使STEG在环境条件下有效运行.
为了提高STEG的性能,使用等离子体太阳能吸收器.
探索增强型STEG发电的应用.

主要方法:

将基于等离子金纳米粒子 (AuNP) 的太阳能吸收器纳入STEG.
利用AuNPs进行高效的光吸收和光热转换.
在环境条件下的太阳辐射下测量STEG性能.

主要成果:

加入AuNP可使STEG的性能提高约9倍.
在7.5W cm-2的太阳辐射下,实现了约9.6%的太阳能转换成电能的效率.
证明了高效的热量产生和从AuNPs转移到STEG,损失最小.

结论:

在环境条件下,等离子AuNP可实现高效的太阳能热电发电.
这项技术可以为电气设备提供动力,并通过电解产生绿色.
这种方法为实际的太阳能收集提供了一个有前途的途径.

关键词:

黄金黄金黄金黄金黄金绿色的气是绿色的气.纳米颗粒是一种纳米粒子.塑子是什么? 塑子是什么太阳能热电发电机热塑性电子产品的使用

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P-N junction

P-N junction

A p-n junction is formed when p-type and n-type semiconductor materials are joined together. At the interface of the p-n junction, holes from the p-side and electrons from the n-side begin to diffuse into the opposite sides due to the concentration gradient. This diffusion of carriers leads to a region around the junction where there are no free charge carriers, known as the depletion region. The charge density within the depletion region for the n-side and p-side can be described by the...