Some nano silver particles develop protective Ag OH surface groups .
Surface groups is thought that dissolution removes these groups and forms oxygen radicals , which attenuate reactivity of the AgNPs by entering into the lattice to form a highly stable Ag O octahedral structure .
Some nano silver particles develop protective Ag OH surface groups and it is thought that dissolution removes these groups and forms oxygen radicals , which attenuate reactivity of the AgNPs by entering into the lattice to form a highly stable Ag O octahedral structure .