Platinum acetylacetonate

Polyethylene terephthalate (PET) was obtained from Zencatec Corporation, Taoyuan City, Taiwan. Silver conductive paste was procured from Advanced Electronic Material Inc., Tainan City, Taiwan. Copper-doped zinc oxide (CZO) target with Cu 3% ZnO 97% was bought from Ultimate Materials Technology Co., Ltd., Ping Tung City, Taiwan. Epoxy (a class of thermosetting polymers with product no. JA643) was procured from (Sil-More Industrial, Ltd., New Taipei City, Taiwan). Iron acetylacetonate and oleyl amine was obtained from Acros Organics (Ward Hill, MA, USA). Platinum acetylacetonate was bought from Alfa Aesar (Haverhill, MA, USA). Oleic acid was procured from Showa Chemical (Tokyo, Japan).

Platinum acetylacetonate (Pt(acac)₂, Pt 48 wt%), copper acetylacetonate (Cu(acac)₂, 97%), nickel acetylacetonate (Ni(acac)₂, 95%), cetyltrimethyl ammonium bromide (CTAB, 99%), and Nafion (5 wt%) were purchased from Alfa Aesar. Oleylamine (OAm, 80–90%) was purchased from Aladdin. Hexane, ethanol, and Perchloric acid (HClO₄, 70–72%) were purchased from Sinopharm Chemical Reagent Co. Ltd. China. These materials purchased were not purified in this experiments. Ultrapure water (18.2 MΩ cm^–1) was used in this experiments.

All reagents were of analytical grade and used as purchased, without further purification. Platinum acetylacetonate (Pt(acac)₂) and nickel acetylacetonate (Ni(acac)₂) were purchased from Alfa Aesar. Polyvinylpyrrolidone (PVP) and molybdenum disulfide nanosheets (MoS₂, 100 nm) were purchased from Macklin. N, N−dimethylformamide (DMF) was purchased from Beijing Jingchun Reagent. Ethanol and acetone were purchased from Sinopharm Chemical Reagent Co., Ltd., Shanghai, China.