High-order harmonic generation from hybrid organic-inorganic perovskite thin films
High-order harmonic generation from hybrid organic-inorganic perovskite thin films
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DOI：
10.1063/1.5090935
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发表时间：
2019-04-01
期刊：
影响因子：
6.1
通讯作者：
Kanemitsu, Yoshihiko
中科院分区：
文献类型：
--
作者：
Hirori, Hideki;Xia, Peiyu;Kanemitsu, Yoshihiko
通过强中红外激光脉冲激发，证实了有机-无机杂化钙钛矿（HOIP）的高次谐波产生。我们用溶液法制备了三种HOIP多晶薄膜样品（MAPbX（3）; MA = CH_3 NH_3 +; X = I，Br，Cl）。来自样品（MAPbBr（3））的高次谐波比来自充分研究的GaSe晶体的高次谐波强十倍以上，尽管它们具有相当的带隙能量，这意味着HOIP的更强的带间跃迁导致更高的产率。(C)2019年作者。
The generation of high-order harmonics from hybrid organic-inorganic perovskites (HOIPs) is demonstrated by the excitation with a strong mid-infrared laser pulse. We prepare three types of HOIP polycrystalline thin film samples by solution processes (MAPbX(3); MA = CH3NH3+; X = I, Br, Cl). The high-order harmonics from the sample (MAPbBr(3)) are more than tenfold stronger than those from the well-studied GaSe crystal despite their comparable bandgap energies, implying that the stronger band-to-band transition of the HOIPs causes the higher yields. (C) 2019 Author(s).