Photoelectric effect using paper pins

Suppose I have 2 pointed stainless steel paper pins. I also have a convex lens and super strong sunlight. The pointed head is painted black. Sunlight is focussed on pointed head of one pin. The pin will get heated. So electrons will come out due to photoelectric and thermoionic emmisions. Using this experiment, can I generate enough potential difference for dielectric breakdown of air, assuming the experiment is done indoors and non-windy air? If no, what can I do to cause dielectric breakdown?

• Why do you think that emitting a few electrons will lead to dielectric breakdown? – Jon Custer Jan 7 at 14:35
• Even if you had used the best electropositive metal in place of stainless steel, you need to create at least 3 kilovolt/mm potential difference. Stopping potential over typical metals is about $1V$. And with two small paper pins. I don't think there is any chance. – KV18 Jan 7 at 14:42
• I don't think you'll get many photoelectrons from stainless steel using visible light. – PM 2Ring Jan 7 at 14:47
• Use some photo-elements and a voltage multiplier. – Vladimir Kalitvianski Jan 7 at 14:47
• Playing with insulators of different sorts is usually easy. Never got electric breakdown opening a door or greeting a friend? – Alchimista Jan 8 at 13:08