Influence of fullerene-based acceptor materials on the performance of indacenodithiophene-cored small molecule bulk heterojunction organic solar cells

  • Qingduan Li
  • Xin Liu
  • Jizhao Zou
  • Dongcheng Chen
  • Shi-Jian Su
  • Xierong Zeng


A model system is presented to investigate the influence of fullerene-based acceptor materials on the performance of small molecule organic solar cells (SM-OSCs). Two indacenodithiophene-(IDT)-cored small molecules and one diketopyrrolopyrrole-(DPP)-cored molecule are used as donor materials, and two most widely applicable fullerene-based acceptors, [6,6]-phenyl-C61(71)-butyric acid methyl esters (PC61(71)BM) are used as the acceptor material, respectively. The charge generation, transport, and recombination behaviors were studied under various irradiation intensities, and these parameters are relevant to device performance. The transient photocurrent and transient photovoltage operation are utilized to directly compare the photo-induced absorption, charge generation, and charge recombination properties of the corresponding blend films. Our results indicate that different fullerene derivatives not only affect the device performance with their different light absorption abilities but also have roles in charge generation and charge recombination, which greatly helps to understand how to select a better fullerene-based acceptor for the high-performance SM-OSCs.


Charge Recombination Charge Generation Dark Current Density Space Charge Limited Current Acceptor Material 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We acknowledge the Natural Science Foundation of China (Nos. 51202150 and 51272161), Program of Introducing Innovative Research Team in Dongguan (No. 2014607109), Supported by the fund of the State Key Laboratory of Solidification Processing in NWPU (SKLSP201110).


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Qingduan Li
    • 1
    • 2
  • Xin Liu
    • 3
  • Jizhao Zou
    • 1
  • Dongcheng Chen
    • 3
  • Shi-Jian Su
    • 3
  • Xierong Zeng
    • 1
    • 4
  1. 1.Shenzhen Key Laboratory of Special Functional Materials and Shenzhen Engineering Laboratory for Advance Technology of Ceramics, College of Materials Science and EngineeringShenzhen UniversityShenzhenPeople’s Republic of China
  2. 2.Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic EngineeringShenzhen UniversityShenzhenPeople’s Republic of China
  3. 3.State Key Laboratory of Luminescent Materials and DevicesSouth China University of TechnologyGuangzhouPeople’s Republic of China
  4. 4.JANUS (Dongguan) Precision Components Co., LtdDongguanPeople’s Republic of China

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