Scaling behavior and morphology evolution of CH3NH3PbI3 perovskite thin films grown by thermal evaporation

	Scaling behavior and morphology evolution of CH3NH3PbI3 perovskite thin films grown by thermal evaporation
	Liu, Y. Y.; T. Zhou; M. L. Sun; D. Zhao; Q. Q. Wei; Y. Sun; R. D. Wang; F. M. Jin; Q. L. Niu and Z. S. Su
	2017
发表期刊	Materials Research Express
卷号	4 期号:7
摘要	The growth dynamics of CH3NH3PbI3 (MAPbI(3)) perovskite thin films, deposited by thermal evaporation, has been investigated by atomic force microscope and height-height correlation function analysis. The unstable scaling behavior of initial perovskite films exhibiting the growth of islands, resulting in rougher film formation has been observed. After the formation of continuous film, the roughening has been characterized by analyzing the scaling exponent alpha similar to 0.70, growth exponent beta = 0.79 +/- 0.057, 1/ z = 0.78 +/- 0.038, and 2D fast Fourier transform. Anomalous scaling behavior of the MAPbI(3) thin films and the formation of the rapid surface roughening are discovered. It is demonstrated that step-edge barrier induced mound growth may play the dominate role in the growth mechanism of MAPbI(3) thin films on Si substrates. Further, the growth behavior of MAPbI(3) film on ITO substrates is investigated as a comparison, and it reveals that the growth of MAPbI(3) thin films is largely affected by the initial substrates underneath the growing films.
收录类别	sci ; ei
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/59107
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Liu, Y. Y.,T. Zhou,M. L. Sun,et al. Scaling behavior and morphology evolution of CH3NH3PbI3 perovskite thin films grown by thermal evaporation[J]. Materials Research Express,2017,4(7).
APA	Liu, Y. Y..,T. Zhou.,M. L. Sun.,D. Zhao.,Q. Q. Wei.,...&Q. L. Niu and Z. S. Su.(2017).Scaling behavior and morphology evolution of CH3NH3PbI3 perovskite thin films grown by thermal evaporation.Materials Research Express,4(7).
MLA	Liu, Y. Y.,et al."Scaling behavior and morphology evolution of CH3NH3PbI3 perovskite thin films grown by thermal evaporation".Materials Research Express 4.7(2017).

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