| abstract |
An electromagnetic wave absorbing particle dispersoid is provided that includes at least electromagnetic wave absorbing particles and a thermoplastic resin, wherein the electromagnetic wave absorbing particles contain hexagonal tungsten bronze having oxygen deficiency, wherein the tungsten bronze is expressed by a general formula: M<sub>x</sub>WO<sub>3-y</sub>(where one or more elements M include at least one or more species selected from among K, Rb, and Cs, 0.15 ≤ x ≤ 0.33, and 0 < y ≤ 0.46), and wherein oxygen vacancy concentration N<sub>v</sub>in the electromagnetic wave absorbing particles is greater than or equal to 4.3×10<sup>14</sup>cm<sup>-3</sup>and less than or equal to 8.0×10<sup>21</sup>cm<sup>-3</sup>. |