張敏 董獻堆
摘 要:新型染料的設計、合成、結構表征及物性理解;研究染料、半導體納晶薄膜及電解質相關的電荷分離、電荷轉移和電荷輸運基本物理過程。光功能分子在半導體表面的微結構表征,利用時間分辨光譜和電學測量技術,考察復雜界面電荷轉移動力學機制。澄清染料分子結構-組裝體微結構-電荷轉移動力學-器件參數之間的內在關聯(lián)機制。逐漸建立染料敏化太陽電池微尺度界面電荷轉移、電荷復合與載流子輸運及器件物理模型。
關鍵詞:太陽電池 染料 界面 電荷轉移
Abstract:Design, synthesis and characterization of a series of high absorption coefficient photosensitizers; Research works of charge separation, charge transformation related with dyes, semiconductor nano-crystal layers and electrolytes on dye-sensitized solar cells; The characterization techniques of interface structure, time-resolved spectroscopy and electronic performance; To clearly the relations of dyes molecules structure, assembly micro- or meso-structures, charge-transformation and the parameters of solar cell devices by kinetic research on photo-active layers; Some models and methods are constructed to describe charge transport and recombination in the nanometer thin films of solar cells.
Key Words:Soalr cell;Dye;Interface;Charge transfer
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