1 IMDEA Nanociencia, Cantoblanco 28049, Madrid, Spain and Dep. Física de la Materia Condensada, Universidad Autónoma de Madrid, Cantoblanco 28049, Madrid, Spain.
3 IMDEA Nanociencia, Cantoblanco 28049, Madrid, Spain and Dep. Física de la Materia Condensada, Universidad Autónoma de Madrid, Cantoblanco 28049, Madrid, Spain and Condensed Matter Physcis Center (IFIMAC), Universidad Autónoma de Madrid, Cantoblanco 28049, Madrid, Spain. emilio.perez@imdea.org al.vazquezdeparga@uam.es.
We describe a method to functionalize graphene covalently with 92% yield and 98% site-selectivity and strict spatial periodicity on the nanometer scale. This method could be extended to other functional molecules.