期刊
SOLAR ENERGY
卷 163, 期 -, 页码 564-569出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2018.01.084
关键词
Self-assembly process; Graphene oxide; Large area; Solar cells
资金
- International Scientific Partnership Programme ISPP at King Saud University [0098]
- Council of Scientific and Industrial Research (CSIR), Government of India
- DST-SERB [SB/FTB/PS/-158/2013]
Heteroatom (boron) doped reduced graphene oxide (B-rGO) papers were prepared by the simple self-assembly process of graphene oxide through the deoxygenation in argon atmosphere at 400 degrees C. The phase purity and crystallinity of the B-rGO paper were studied by X-ray diffraction analysis. The wrinkled paper-like morphology was analyzed by scanning electron microscopy (SEM) and the homogeneity by the elemental mapping. The binding energy states of the B-rGO were confirmed by X-ray photoelectron spectroscopy. The shift in zeta potential values also confirms the heteroatom doping in the rGO paper. From the Raman spectra it was observed that the incorporation of boron into the rGO paper exhibits an improved conductivity and mobility. The current-voltage (J-V) characteristics revealed that the B-rGO paper can be effectively used as a hole transport material (HTM) for perovskite solar cells (PSCs). The largest conversion efficiency of 8.96% was achieved for the FTO/TiO2/CH3NH3PbI3/B-rGO/FTO sandwich structure with an active area of 1 cm(2).
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