An Ultraviolet‐Deposited MoO 3  Film as Anode Interlayer for High‐Performance Polymer Solar Cells | Zendy

Cai Ping | Zendy; Ren Peng | Zendy; Huang Xiaofang | Zendy; Zhang Xiuyun | Zendy; Zhan Tao | Zendy; Xiong Jian | Zendy; Xue Xiaogang | Zendy; Wang Zhongmin | Zendy; Zhang Jian | Zendy; Chen Junwu | Zendy

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An Ultraviolet‐Deposited MoO 3 Film as Anode Interlayer for High‐Performance Polymer Solar Cells

Author(s) -

Cai Ping,

Ren Peng,

Huang Xiaofang,

Zhang Xiuyun,

Zhan Tao,

Xiong Jian,

Xue Xiaogang,

Wang Zhongmin,

Zhang Jian,

Chen Junwu

Publication year - 2020

Publication title -

advanced materials interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.671

H-Index - 65

ISSN - 2196-7350

DOI - 10.1002/admi.201901912

Subject(s) - materials science , ultraviolet photoelectron spectroscopy , x ray photoelectron spectroscopy , anode , contact angle , ultraviolet , indium tin oxide , wetting , chemical engineering , layer (electronics) , pedot:pss , polymer solar cell , polymer , energy conversion efficiency , work function , substrate (aquarium) , optoelectronics , nanotechnology , electrode , composite material , chemistry , engineering , oceanography , geology

An ultraviolet‐deposited MoO 3 film is developed as anode interlayer based on molybdenum(V) chloride as precursor. The ultraviolet‐deposited MoO 3 film is prepared from the precursor film (spin coated from its solution) with ultraviolet irradiation treatment, and the preparation process of the MoO 3 film is facile, low cost, and compatible with mass production and flexible substrate. The composition of the MoO 3 film is analyzed by X‐ray photoelectron spectroscopy. The work function as well as the surface morphology and wettability of indium tin oxide (ITO) modified by the MoO 3 film are investigated by ultraviolet photoelectron spectroscopy, atomic force microscopy, and contact angle tester, respectively, where the analyses show the ITO modified by the MoO 3 anode interlayer can offer excellent energy level alignment and interface contact with active layer. The photovoltaic performance of nonfullerene polymer solar cells (PSCs) based on the MoO 3 anode interlayer is researched with typical and relatively low‐cost PBDB‐T:ITIC as active layer, and the ITO/MoO 3 ‐based device shows the highest power conversion efficiency of 9.27% compared with the bare ITO‐based device (3.69%) and the ITO/PEDOT:PSS‐based device (9.15%). The results demonstrate the great potential of the ultraviolet‐deposited MoO 3 film as anode interlayer for high‐performance PSCs.

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