| To test their reasoning they constructed components, or monomers, for the frameworks by attaching silicon-based chemical groupss to either end of a single benzene ring or to a rigid string of several rings. To make the organic laser, Bell Labs scientist Christian Kloc first grew high-quality crystals of tetracene, which is an organic molecule with four connected benzene rings that conducts electricity well. These reactions involve chemically displacing one of six hydrogen atoms, each attached to one of the six interbonded carbon atoms forming the hexagonal benzene ring. |
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