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(a) X-ray image of CdTe and CdSe QD solution samples in containers (left: CdTe; right: CdSe). [(b)–(d)] X-ray imaging resolution study on a CdTe∕PVA nanocomposite film; a 0.1 mm thick Pb mask was used. (b) Area with resolution of 1.8–3.1 lines∕mm. (c) Low resolution area with 0.6 lines∕mm. (d) Enlarged image of higher resolution area with 4.3–5.0 lines∕mm.
