How does chlorophyll work in photosynthesis to convert sunlight to stored energy?

Here is a web site that explains exactly how chlorophyll absorbs light energy and passes it on to the energy-requiring reactions of photosynthesis?

Light Harvesting by Chlorophyll

That is a wonderful site, very clear yet quite technical. It even answered my next question, about the creation of oxygen during the process. Thanks, Mkstfmz.