What (non toxic) light sensitive materials do not burn away at high heat? Specifically related to photoceramics, I am wondering what photosensitive materials exist that can be bonded to glass at high heat in a kiln (a microwave kiln to be more exact).
By non-toxic I mean a material that does no give off hazardous fumes, so silver, cyanotype and dichromates would be out of the question as far as I am aware.
The process I had in mind is, coat on glass, expose image via contact print using UV, then kiln fire to make the image permanent with the glass.
If there exists a photosensitive glaze out there, I would love to know!
There are a number of types of photosensitive glass which change in appearance and chemical reactivity upon exposure, and of photochromic glass, which undergoes reversible change in color with radiation.
If you are using this as a surface applique on ceramic, one key factor would be having therml expansion coefficient compatible with the ceramic, or the object will crack on cooling. Consult the literature from a manufacturer, such as Schott or AZO Materials.
There are also techniques for making a photosensitive layer on ceramics, such as Pyrofoto, that do not involve applying glass. A small Pyrofoto kit is ~US$20.
BTW, you might find that microwave oven kiln adapters do not reach high enough temperature to be useful in this work -- literature states a limit of ~900°C, cone 010.