N-Doped Graphene Quantum Dot Nanoparticle Synthesis of Optical Active Thermal Stable Polyurea Nanocomposites Using Polybutadiene Chain Modification

Figure 11

SEM micrographs of PUr-NGQD nanocomposites. (a) ×5000, (b) ×50000, (c) ×100000, and (d) ×201,000.

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