图2 (IMAGE)

Science China Press

图2

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薄膜形貌及结晶度测试。(a–d)不同浓度(NH4)2C2O4•H2O处理后钙钛矿薄膜的SEM图谱。2 mg/mL (NH4)2C2O4•H2O 处理后的钙钛矿薄膜展现出了最大的晶粒尺寸(平均晶粒尺寸2.56 微米). (e)不同浓度处理后薄膜XRD图谱。

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