Bio- and chemical sensing, biomaterials, and in vivo electronics are some of the latest advances for porous silicon (p-Si) discussed in this review. p-Si is extremely versatile owing largely to its well-known luminescence properties (the Figure shows photoluminescence from patterned p-Si), high surface area, and facile synthesis, while recent techniques for “soft” chemical functionalization allow a high level of control over the interfacial characteristics.
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Stewart et al. (2000) studied this question.