Hi Steve,
I don’t have the answer you’re looking for at the moment. The chemistry is complicated. I pulled this info concerning what I know for sure about what coatings are on the piece that generates under light. I made it by just trying different t mixes. There are a few other things in it like Copper doped Zinc Sulfide or glow in the dark powder. Also seems I should’ve fired it a couple times before using it to further cure it. After reading this I probably should’ve coated the TiO2 on top of the Ti4O7 and fired it on low temps to cure it to the surface of Ti4O7
Note : When the TiO2 is flame sprayed on the SS it turns into Ti4O7.
Info from:
http://tdma.info/what-is-titanium-dioxide/As a photocatalyst, titanium dioxide can be added to paints, cements, windows and tiles in order to decompose environmental pollutants. As a nanomaterial (see below), it can also be used as a crucial DeNOx catalyst in exhaust gas systems for cars, trucks and power plants, thus minimising their environmental impact.
Researchers are discovering new potential uses for titanium dioxide in this form. This includes clean energy production.
As a photocatalyst, it has also been shown that TiO2 can carry out hydrolysis (breaking water into hydrogen and oxygen), and the collected hydrogen can be used as a fuel.
Info From
http://www.chinathermalspray.com/html/PRODUCT/list_15_1.htmlThe titanium black ceramic material has the following prominent characteristics:
1. High electrical conductivity, similar to metal: Among them, the Ti4O7 phase, its single crystal conductivity can reach 1500 S/cm and its coating’s conductivity is better than graphite material’s in practical application.
2. Excellent chemical stability and corrosion resistance: It has high stability in strong acids (H2SO4, HNO3, HCl even HF) and strong base solutions. For example, its semi-corrosion cycle can reach 50 years in 4mol/L of sulfuric acid at room temperature. It is the best chemical resistance conductive material.
3. Unique electrochemical property: After hydrogen evolution and oxygen evolution, its electric potential is high, electrochemistry is stable and working potential window is very wide. This exceeds all common electrode materials. For example, in 1mol/L of sulfuric acid at room temperature, the difference between oxygen evolution potential and hydrogen evolution potential of the titanium black electrode is nearly 4. 0 V. This let it have good application prospect in area of positive and negative electrode, Electrocatalytic carrier and advanced oxidation process(AOPs). As the electrode matrix material, it can be electroplated, chemical deposition or coated various metal oxide or precious metal catalysts. And the chemical bonding with these catalysts is good. The catalytic activity is almost constant and the effect is excellent.
4. Microwave absorption property: The titanium black have strong microwave absorption property under temperature of 800 ℃. This property is better than silicon carbide material’s. It is a new kind of microwave auxiliary heating material and microwave waveguide material.