We here present a way of preparing the polymer： fullerene BHJ using dual feed method which can lead to formation of pure phases. In this report, we present results of our initial experiments in this direction.The eff...We here present a way of preparing the polymer： fullerene BHJ using dual feed method which can lead to formation of pure phases. In this report, we present results of our initial experiments in this direction.The effect of process parameters on the thickness and surface roughness of the active layer has been discussed.The structural and optical properties have been studied using the optical microscope, UV–visible spectroscopy and photoluminescence spectroscopy. Significant PL quenching indicates efficient charge separation in the BHJ formed using this technique. We have also compared the BHJ thin films prepared with this dual feed ultrasonic technique with the single feed spray method. The BHJ formed using this technique has been used as an active layer in OSC.展开更多
基金supported by the University Grants Commission,New Delhi,under Faculty Improvement Programme(No.33-02/12(WRO)Dt.19.03.2013)the Special Assistance Programme(530/2/DRS/2010(SAP-I))Phase-Ⅱ
文摘We here present a way of preparing the polymer： fullerene BHJ using dual feed method which can lead to formation of pure phases. In this report, we present results of our initial experiments in this direction.The effect of process parameters on the thickness and surface roughness of the active layer has been discussed.The structural and optical properties have been studied using the optical microscope, UV–visible spectroscopy and photoluminescence spectroscopy. Significant PL quenching indicates efficient charge separation in the BHJ formed using this technique. We have also compared the BHJ thin films prepared with this dual feed ultrasonic technique with the single feed spray method. The BHJ formed using this technique has been used as an active layer in OSC.
