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Comparative studies on rigid π linker-based organic dyes : structure-property relationships and photovoltaic performance

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Comparative studies on rigid π linker-based organic dyes : structure-property relationships and photovoltaic performance
นักวิจัย : Li, Hairong , Koh, Teck Ming , Hao, Yan , Zhou, Feng , Abe, Yuichiro , Su, Haibin , Hagfeldt, Anders , Grimsdale, Andrew C.
คำค้น : DRNTU::Science::Chemistry::Physical chemistry::Electrochemistry
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2557
อ้างอิง : Li, H., Koh, T. M., Hao, Y., Zhou, F., Abe, Y., Su, H., et al. (2014). Comparative studies on rigid π linker-based organic dyes : structure-property relationships and photovoltaic performance. ChemSusChem, 7(12), 3396-3406. , 1864-5631 , http://hdl.handle.net/10220/24672 , http://dx.doi.org/10.1002/cssc.201402651
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : ChemSusChem
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

A series of six structurally correlated donor–π bridge–acceptor organic dyes were designed, synthesized, and applied as sensitizers in dye-sensitized solar cells. Using the most widely studied donor (triarylamine) and cyclopenta[1,2-b:5,4-b′]dithiophene or cyclopenta[1,2-b:5,4-b′]dithiophene[2′,1′:4,5]thieno[2,3-d]thiophene as π spacers, their structure–property relationships were investigated in depth by photophysical techniques and theoretical calculations. It was found that the photovoltaic performance of these dyes largely depends on their electronic structures, which requires synergistic interaction between donors and acceptors. Increasing the electron richness of the donor or the elongation of π-conjugated bridges does not necessarily lead to higher performance. Rather, it is essential to rationally design the dyes by balancing their light-harvesting capability with achieving suitable energy levels to guarantee unimpeded charge separation and transport.

บรรณานุกรม :
Li, Hairong , Koh, Teck Ming , Hao, Yan , Zhou, Feng , Abe, Yuichiro , Su, Haibin , Hagfeldt, Anders , Grimsdale, Andrew C. . (2557). Comparative studies on rigid π linker-based organic dyes : structure-property relationships and photovoltaic performance.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Li, Hairong , Koh, Teck Ming , Hao, Yan , Zhou, Feng , Abe, Yuichiro , Su, Haibin , Hagfeldt, Anders , Grimsdale, Andrew C. . 2557. "Comparative studies on rigid π linker-based organic dyes : structure-property relationships and photovoltaic performance".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Li, Hairong , Koh, Teck Ming , Hao, Yan , Zhou, Feng , Abe, Yuichiro , Su, Haibin , Hagfeldt, Anders , Grimsdale, Andrew C. . "Comparative studies on rigid π linker-based organic dyes : structure-property relationships and photovoltaic performance."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2557. Print.
Li, Hairong , Koh, Teck Ming , Hao, Yan , Zhou, Feng , Abe, Yuichiro , Su, Haibin , Hagfeldt, Anders , Grimsdale, Andrew C. . Comparative studies on rigid π linker-based organic dyes : structure-property relationships and photovoltaic performance. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2557.