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wolfmanhd

金虫 (正式写手)

[交流] 【求助】翻译

Central to this device is a thick nanoparticle fi lm
that provides a large surface area for the adsorption of lightharvesting
molecules. However, nanoparticle DSCs rely on
trap-limited diff usion for electron transport, a slow mechanism
that can limit device effi ciency, especially at longer wavelengths.


Th e nanowire anode is
synthesized by mild aqueous chemistry and features a surface area
up to one-fi ft h as large as a nanoparticle cell. Th e direct electrical
pathways provided by the nanowires ensure the rapid collection of
carriers generated throughout the device, and a full Sun effi ciency
of 1.5% is demonstrated, limited primarily by the surface area of
the nanowire array

[ Last edited by wolfmanhd on 2010-2-3 at 10:40 ]
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phyweiw

铁杆木虫 (著名写手)

请参阅版规,适当增加求助金币,谢谢合作。

[ Last edited by phyweiw on 2010-2-3 at 11:36 ]
2楼2010-02-03 10:59:26
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toepassing

木虫 (著名写手)

确实金币少了点,帮顶!
3楼2010-02-03 12:55:52
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money4u

至尊木虫 (著名写手)

wolfmanhd(金币+5): 2010-02-16 17:23
器件核心是一层厚纳米粒子薄膜,提供集光分子进行吸收的大面积。但是,纳米粒子的DSCs依靠陷阱限制扩散这种很慢的传输机制来输送电子,这就限制了器件的效率,特别是对长波长光的效率。
纳米电极是通过水溶液化学方式合成的,其特点是电极面积可达纳米电池面积的五分之一。通过纳米线进行直接电子输送,确保整个器件产生的载流子被快速收集。主要受纳米线阵的面积所限,一个太阳下效率为1.5%得到验证。
光伏和储能的命运
4楼2010-02-05 16:33:42
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