Overall, nanomaterials with HONs hold tremendous potential for revolutionizing various fields, from electronics and photonics to energy and biomedicine. Their precise control over structure-property relationships offers unprecedented opportunities for designing and engineering materials with tailored properties and functionalities. However, realizing this potential requires addressing key challenges related to scalability, environmental impact, and integration. By overcoming these challenges through collaborative research and innovation, we can unlock the full promise of nanomaterials with HONs and utilize them to have a transformative impact on society and the economy.