以ZnO纳米棒阵列为电子传输层的无空穴层有机-无机杂化钙钛矿太阳能电池

doi:10.11896/j.issn.1005-023X.2018.23.003

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Abstract Organic-inorganic hybrid perovskite solar cells (PSCs) have recently undergone rapid progress, and since its invention, its photoelectric conversion efficiency (PCE) has been experiencing surprisingly swift and frequently record-breaking growth, and finally reached the present record 23.3%. This makes PSCs an indisputable research hotspot in the field of solar cells. The structure and properties of PSCs have been found significant to the device performance. Moreover, the morphology of electron transport layer not only affects the morphology of perovskite, but also dominates the electron diffusion coefficient and electron lifetime. In this work, zinc oxide nanorod arrays (ZnO NRAs) were firstly applied as the electron transport layer in hole-transport-layer-free, carbon-counter electrode based perovskite solar cells, and in the meanwhile, its feasibility had been confirmed. A series of ZnO NRAs which differ in nanorod length were hydrothermally fabricated. The corresponding PCEs of the solar cells were determined to have a biphasic (increase → decrease) change with the increasing length of ZnO NRAs, and to reach the optimum alue (6.18%) when the length of ZnO NRAs was 454 nm.

Key words： hole-transport-layer-free perovskite solar cell electron transport layer zinc oxide nanorod arrays

Published: 20 December 2018

CLC number:	TB34
	TM914.4+2

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	Articles by authors
	GAN Yisheng
	CHEN Miaomiao
	WANG Yulong
	WAN Li
	KONG Mengqin
	HU Hang
	WANG Shimin

Cite this article:

GAN Yisheng,CHEN Miaomiao,WANG Yulong, et al. Hole-transport-layer-free Organic-Inorganic Hybrid Perovskite Solar Cells with ZnO Nanorod Arrays as Electron Transport Layer[J]. Materials Reports, 2018, 32(23): 4047-4050.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.23.003 OR http://www.mater-rep.com/EN/Y2018/V32/I23/4047

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