Amphiphilic Ruthenium Sensitizer with 4,4‘-Diphosphonic Acid-2,2‘-bipyridine as Anchoring Ligand for Nanocrystalline Dye Sensitized Solar Cells
作者:Peng Wang、Cédric Klein、Jacques-E. Moser、Robin Humphry-Baker、Ngoc-Le Cevey-Ha、Raphael Charvet、Pascal Comte、Shaik M. Zakeeruddin、Michael Grätzel
DOI:10.1021/jp046932x
日期:2004.11.1
cis-Ru(dpbpy)(dnbpy)(NCS)2 (dpbpy = 4,4‘-diphosphonic acid-2,2‘-bipyridine; dnbpy = 4,4‘-dinonyl-2,2‘-bipyridine), was synthesized and demonstrated as an efficient sensitizer. The sensitizer was characterized by NMR, voltammetry, ATR-FTIR, resonance Raman, as well as electronic absorption and emission spectra. Nanocrystalline dye-sensitized solar cells (DSCs) with this new sensitizer generated ≥8.0% power conversion
一种新的两亲性多吡啶基钌络合物,cis-Ru(dpbpy)(dnbpy)(NCS)2 (dpbpy = 4,4'-diphosphonic acid-2,2'-bipyridine;dnbpy = 4,4'-dinonyl-2,2 '-联吡啶), 被合成并证明是一种有效的敏化剂。通过NMR、伏安法、ATR-FTIR、共振拉曼以及电子吸收和发射光谱对敏化剂进行了表征。使用这种新型敏化剂的纳米晶染料敏化太阳能电池 (DSC) 在模拟空气质量 1.5 日光照射下产生≥8.0% 的功率转换效率。这是第一次通过带有非羧酸锚定基团的敏化剂达到如此高的 DSC 太阳能到电能转换效率。此外,这些器件在 55 至 60°C 的光照条件下表现出出色的稳定性。