Adams' catalyst, also known as platinum dioxide, is usually represented as platinum (IV) oxide hydrate, PtO 2 •H 2 O. It is a catalyst for hydrogenation and hydrogenolysis in organic …

2025年3月21日 · Platinum dioxide, also known as Adams catalyst, is a dark brown powder, a hydrated form of platinum (IV) oxide (PtO2), produced by heating chloroplatinic acid (H2PtCl6) …

PtO2 is Hydrophilite structured and crystallizes in the orthorhombic Pnnm space group. The structure is three-dimensional. Pt4+ is bonded to six equivalent O2- atoms to form a mixture of …

使用硼氢化钠还原氯铂酸或 PtO₂，可以制备出更具活性的 铂黑催化剂。 【注意事项】不必预防氧化，但与 H₂ 接触后生成的铂黑必须按照易燃物处理。 必须遵循处理 氢化反应 时的常规预防 …

PtO2具有α和β两种品型，其中a-PtO2是著名的多相Adams催化剂，能氢化多 种基团，常用于烯键、羟基、醛基、亚胺、芳香硝基及芳环的氢化或氢解，所需反应条件温和（室温、常压）。

(Color online) Atomic structures of the PtO, PtO1.33, and PtO2 compositions, in which the Pt and O atoms are indicated by gray (large) and red (small) balls. The unit cells are indicated by...

2012年2月1日 · Based on our results and analysis, we suggest that Pt and O atoms tends to form octahedron motifs in PtOx even at lower O composition by the formation of Pt-Pt bonds. (Color …

PtO2 is Hydrophilite structured and crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Pt4+ is bonded to six equivalent O2- atoms to form a mixture of …

2017年9月5日 · Platinum serves as a major component in the automotive catalyst, which oxidizes CO and residual hydrocarbons to CO 2. In addition, NO is oxidized when the catalyst is …

We studied the electronic properties of beta-platinum dioxide ( {\beta}-PtO2), a catalytic material, based on density functional theory.