中南民族大学学报:自然科学版
中南民族大學學報:自然科學版
중남민족대학학보:자연과학판
Journal of South-Central University for Nationalities
2011年
4期
16-19
,共4页
染料敏化太阳能电池%环金属化钌配合物%MLCT态吸收
染料敏化太暘能電池%環金屬化釕配閤物%MLCT態吸收
염료민화태양능전지%배금속화조배합물%MLCT태흡수
dye-sensitized solar cells%cyclometalated ruthenium complex%metal to ligand charge transfer transition
合成了一种新的C,N-配位型环金属化钌染料敏化剂Ru-1,通过核磁共振氢谱以及红外光谱对该配合物进行了表征.由紫外-可见吸收光谱表明:该配合物的金属到配体的电荷转移跃迁(MLCT)吸收最大可达546nm,比传统的明星染料N3([Ru(dcbpy)2(NCS)2],dcbpy=2,2'-二联吡啶-4,4’-二羧酸)红移约10nm,且摩尔消光系数提高了约1.5倍.由此说明该配合物在长波方向表现出比N3更为优良的吸收性能,这对提高染料敏化纳米晶太阳能电池的光电转化效率十分有利.
閤成瞭一種新的C,N-配位型環金屬化釕染料敏化劑Ru-1,通過覈磁共振氫譜以及紅外光譜對該配閤物進行瞭錶徵.由紫外-可見吸收光譜錶明:該配閤物的金屬到配體的電荷轉移躍遷(MLCT)吸收最大可達546nm,比傳統的明星染料N3([Ru(dcbpy)2(NCS)2],dcbpy=2,2'-二聯吡啶-4,4’-二羧痠)紅移約10nm,且摩爾消光繫數提高瞭約1.5倍.由此說明該配閤物在長波方嚮錶現齣比N3更為優良的吸收性能,這對提高染料敏化納米晶太暘能電池的光電轉化效率十分有利.
합성료일충신적C,N-배위형배금속화조염료민화제Ru-1,통과핵자공진경보이급홍외광보대해배합물진행료표정.유자외-가견흡수광보표명:해배합물적금속도배체적전하전이약천(MLCT)흡수최대가체546nm,비전통적명성염료N3([Ru(dcbpy)2(NCS)2],dcbpy=2,2'-이련필정-4,4’-이최산)홍이약10nm,차마이소광계수제고료약1.5배.유차설명해배합물재장파방향표현출비N3경위우량적흡수성능,저대제고염료민화납미정태양능전지적광전전화효솔십분유리.
A new C, N-coordinated cyclometalated ruthenium sensitizer Ru-1 was synthesized and characterized by 'HNMR and FT-IR spectra. The UV-Vis spectra Showed that the MLCT (metal to ligand charge transfer transition) absorptions of Ru-1 was centered at 546 nm. Compared with N3 ( [ Ru(dcbpy) 2 (NCS)2 ], dcbpy = 2,2'- dipyridyl-4,4'- dicarboxylic acid) , it is red-shifted 10 nm with its molar extinction coefficients increased about 1.5 times. These data showed that the absorptions of Ru-1 in the red region is better than that of N3, which is favorable to enhance the photoelectric conversion efficiency.