.* Single-crystal graphite and highly oriented pyrolytic graphite show a single band* Less ordered carbon ... additional strong bandThis spectrum is exactly identical to the reported Raman spectra of PAN-based carbon ... 서론고분자 나노섬유에 도입된 은나노입자의 효용성 1. remarkable catalytic activity 2. s공명(共鳴) 라만 산란이라 한다.