Local temperature reduction induced crystallization of MASnI<sub>3</sub> and achieving a direct wafer production

Zhun Yao; Zhou Yang; Yucheng Liu; Wangen Zhao; Xiaorong Zhang; Bin Liu; Huan Wu; Shengzhong (Frank) Liu

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Local temperature reduction induced crystallization of MASnI₃ and achieving a direct wafer production

机译：局部温度降低引起MASnI _{3 的结晶并实现直接晶圆生产}

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Despite the rapid advancement of perovskite solar cells, the fundamental drawback of toxicity in lead based materials has largely limited their large-scale development and application. Hence, we developed a local temperature reduction induced crystallization (LTRIC) method to directly obtain a lead-free perovskite wafer (CH₃NH₃SnI₃), which is 110 μm-thick, in an oil bath. The XRD diffraction peaks of the MASnI₃ wafer are indexed to (001) and its parallel crystal planes, demonstrating its high orientation. The UV-vis-NIR discloses that the absorption onset of the MASnI₃ wafer is red-shifted to 1015 nm, corresponding to a narrow bandgap of 1.21 eV.

机译：尽管钙钛矿太阳能电池发展迅速，但是铅基材料毒性的基本缺点在很大程度上限制了它们的大规模开发和应用。因此，我们开发了一种局部降温诱导结晶（LTRIC）方法来直接获得无铅钙钛矿晶片（CH _{3 NH _{3 SnI _{3 ），厚度为110μm，在油浴中。 MASnI _{3 晶片的XRD衍射峰索引为（001）及其平行晶面，表明其高取向。 UV-vis-NIR揭示MASnI _{3 晶片的吸收开始红移至1015 nm，对应于1.21 eV的窄带隙。}}}}}

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《RSC Advances》 |2017年第61期|共5页
作者
Zhun Yao; Zhou Yang; Yucheng Liu; Wangen Zhao; Xiaorong Zhang; Bin Liu; Huan Wu; Shengzhong (Frank) Liu;
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1. Bubble evolution mechanism and stress-induced crystallization in low-temperature silicon wafer bonding based on a thin intermediate amorphous Ge layer [J] . Ke Shaoying, Lin Shaoming, Ye Yujie, Journal of Physics, D. Applied Physics: A Europhysics Journal . 2017,第40期

机译：基于薄的中间非晶Ge层的低温硅晶片键合中的气泡蒸馏机构和应力诱导的结晶
2. Low-Temperature Wafer Bonding Based on Gold-Induced Crystallization of Amorphous Silicon [J] . Jing E., Xiong B., Wang Y. Electron Device Letters, IEEE . 2010,第9期

机译：基于金诱导非晶硅结晶的低温晶圆键合
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5. Efficient and cost-effective thin film solar cells processed by direct pulsed laser crystallization and direct pulsed laser recrystallization techniques at room temperature. [D] . Zhang, Martin Yi. 2011

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6. Fabrication and Characterization of Capacitive Micromachined Ultrasonic Transducers with Low-Temperature Wafer Direct Bonding [O] . Xiaoqing Wang, Yude Yu, Jin Ning 2016

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7. Local temperature reduction induced crystallization of MASnI3 and achieving a direct wafer production [O] . Zhun Yao, Zhou Yang, Yucheng Liu, 2017

机译：局部温度降低诱导MASNI3结晶并实现直接晶片生产
8. Microwave Induced Direct Bonding of Single Crystal Silicon Wafers [R] . Budraa, N. K., Jackson, H. W., Barmatz, M. 1999

机译：微波诱导单晶硅片的直接键合

Local temperature reduction induced crystallization of MASnI3 and achieving a direct wafer production

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Local temperature reduction induced crystallization of MASnI₃ and achieving a direct wafer production