The electrochemistry of suspended nanoparticles has attracted some attention as a method of characterizing them. Taking redox-active Prussian Blue nanoparticles as an example, we demonstrate that suspended redox-active inorganic nanoparticles exhibit electrochemical reactivity. When the potential of a rotating disc electrode is sufficiently low or high, a series of injections of a suspension of nanoparticles into an aqueous electrolyte produces sharp current increases resulting from their electroreduction or electrooxidation, respectively. The magnitude of the current steps is linearly dependent on the concentration of the nanoparticles. Much larger current steps are obtained in the presence of H₂O₂ as a result of catalytic amplification.

悬浮纳米粒子的电化学作为表征它们的方法已经引起了人们的注意。以氧化还原活性的普鲁士蓝纳米颗粒为例，我们证明了悬浮的氧化还原活性的无机纳米颗粒表现出电化学反应性。当圆盘电极的电势足够低或足够高时，将纳米颗粒的悬浮液一系列注入到水性电解质中会分别由于其电还原或电氧化而产生急剧的电流增加。当前步骤的大小与纳米颗粒的浓度线性相关。由于催化扩增，在H ₂ O ₂存在下获得了更大的电流阶跃。