Vanderbilt inventors have developed a one-step hydrosilylation synthesis of azide surfaces for the preparation of click chemistry compatible substrates. In this process, an organic azide is formed in a single step on a hydrogen-terminated silicon support, yielding a surface that is ready to undergo click reactions as desired. Simple, efficient, and versatile, click chemistry is widely used and is particularly useful for biosensing applications. A click reaction can be utilized to attach a molecular or biological probe for point-of-care diagnostics and chemical screening.