新型氧化物(Ca 0.85- x Nd x OH) 1.16 CoO 2 的水热合成及热电性能
Source abstract
Abstract
采用水热法制备了一系列具有片状形貌的(Ca 0.85 OH) 1.16 CoO 2 热电材料, 并研究了Nd掺杂对该材料结构及热电性能的影响. 结果表明, 所制备的样品均为p型材料, 在473K以下, 材料的热电系数随着Nd含量的增加而增大; Nd掺杂后, 材料的载流子浓度和载流子迁移率均发生变化, 因此材料的电导率随着Nd含量的增加先增大后减小; 在573K时, (Ca 0.75 Nd 0.1 OH) 1.16 CoO 2 材料的功率因子达到7.06×10 -5 W/(m·K 2 ).
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Source: openalex_inverted_index · Quality: short
Research context
OpenAlex topics: Thermal Expansion and Ionic Conductivity · Electrical and Thermal Properties of Materials · Pigment Synthesis and Properties
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