物理化学学报
物理化學學報
물이화학학보
ACTA PHYSICO-CHIMICA SINICA
2013年
3期
539-545
,共7页
杨桂军%王棽睿%张永昌%王刚*%陈慧媛%南辉%申何萍%林红
楊桂軍%王棽睿%張永昌%王剛*%陳慧媛%南輝%申何萍%林紅
양계군%왕림예%장영창%왕강*%진혜원%남휘%신하평%림홍
染料敏化太阳能电池%天然染料%pH值%金莲花%光伏性能
染料敏化太暘能電池%天然染料%pH值%金蓮花%光伏性能
염료민화태양능전지%천연염료%pH치%금연화%광복성능
Dye sensitized solar cel%Natural pigment%pH value%Trol ius chinensis%Photovoltaic perfomance
首先从高原金莲花中提取天然染料,通过紫外-可见(UV-Vis)吸收光谱和傅里叶变换红外(FTIR)吸收光谱确定其主要成分为花色苷.调节色素溶液的pH值,组装染料敏化太阳能电池(DSCs)并进行光电性能测试.研究发现,随着pH值的升高,电池的开路电压逐渐升高,但是短路电流密度却先升高后降低.分析认为这是由于在不同pH值下,花色苷的结构会发生转换造成的.在pH=5时,该天然染料敏化太阳能电池的光电转换效率最高,达到0.292%.
首先從高原金蓮花中提取天然染料,通過紫外-可見(UV-Vis)吸收光譜和傅裏葉變換紅外(FTIR)吸收光譜確定其主要成分為花色苷.調節色素溶液的pH值,組裝染料敏化太暘能電池(DSCs)併進行光電性能測試.研究髮現,隨著pH值的升高,電池的開路電壓逐漸升高,但是短路電流密度卻先升高後降低.分析認為這是由于在不同pH值下,花色苷的結構會髮生轉換造成的.在pH=5時,該天然染料敏化太暘能電池的光電轉換效率最高,達到0.292%.
수선종고원금연화중제취천연염료,통과자외-가견(UV-Vis)흡수광보화부리협변환홍외(FTIR)흡수광보학정기주요성분위화색감.조절색소용액적pH치,조장염료민화태양능전지(DSCs)병진행광전성능측시.연구발현,수착pH치적승고,전지적개로전압축점승고,단시단로전류밀도각선승고후강저.분석인위저시유우재불동pH치하,화색감적결구회발생전환조성적.재pH=5시,해천연염료민화태양능전지적광전전환효솔최고,체도0.292%.
Trol ius chinensis pigment was extracted, and ultraviolet-visible (UV-Vis) absorption and Fourier transform infrared (FTIR) spectroscopy confirmed that anthocyanin compounds were the main components. Dye sensitized solar cel s (DSCs) were sensitized from the natural pigments dissolved in different pH solutions. Open-circuit voltage increased with increasing pH,while short-circuit current density first increased and then decreased, attributed to an anthocyanin structural change with pH value. The highest observed power conversion efficiency was 0.292%at pH=5.
