基于水热反应制备SnO2纳米棒阵列

杨高元, 向文灏, 刘德政, 屈俊豪, 梁英, 李望南, 徐可, 钟杰, 黄福志, 陈美华, 梁桂杰

Control of Morphology of SnO2 Nanorod Array by Hydrothermal Reaction Process

YANG Gaoyuan, XIANG Wenhao, LIU Dezheng, QU Junhao, LIANG Ying, LI Wangnan, XU Ke, ZHONG Jie, HUANG Fuzhi, CHEN Meihua, LIANG Guijie

表1 水热反应条件不同的SnO2纳米棒阵列的尺寸和形貌参数

Table 1 Morphology parameters of SnO2 nanorod arrays prepared under different hydrothermal conditions

Hydrothermal conditions Size and morphology parameters of SnO2 nanorod arrays Precursor content/mg/100 mL R / nm L / nm L / R Coverage 70 10 60 6 Increases significantly with precursor content 130 20 90 4.5 190 27 120 4.4 Reaction time/h R / nm L / nm L / R Coverage 12 20 90 4.5 Does Not change much over time 17 20 120 6 20 20 170 8.5 Reaction temperature/℃ R / nm L / nm L / R Coverage 180 20 90 4.5 Increases significantly with reaction temperature 190 35 160 4.6 200 45 250 5.6 Number of reactions/cycles R / nm L / nm L / R Coverage 1 20 90 4.5 Increases slightly with number of reactions 2 40 180 4.5 3 58 270 4.6 NaCl addition/mL/100 mL R / nm L / nm L /R Coverage 0 20 90 4.5 Decreases slightly with NaCl addition 2 16 100 6.3 4 12 110 9.2