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中文摘要：
本文研究自组装单层保护金纳米团簇（C12 Au MPC）在常温下二氯甲烷溶液中的量子化电容充电效应．示差脉冲伏安曲线显示金核平均直径为2．0nm的C12 Au MPC在-0．6～0．6V电位区间内有9个明显的量子化电容充电峰，其双电层电容总的变化趋势为在零电荷电位附近最小，随着电位正移或负移电容变大．而且随着该金核尺寸的增大，MPC双电层电容值也变大．
英文摘要：
Quantized capacitance charging was observed for the C12Au monolayer-protected clusters self-assembled on a gold electrode surface in CH2Cl2 solution at room temperature, The result from differential pulse voltammetry （DPV） of C12Au MPC with average core diameter of 2.0 nm showed that which appear nine entries welldefined quantized capacitance charging peaks within the potential range of - 0.6 to ＋ 0.6 V. The change trend of MPC double-layer capacitances （ CMPC ） was that the value of CMPC was smallest near zero charge potential and increased with potential positive or negative transfer. In addition, the effect of Au core size on quantized capacitance charging of C12Au MPC was studied. The results showed that the value of CMPC increased with increasing Au core size.
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