## 3 Results and Discussion
\begin{table}
\begin{tabular}{p{108.4 pt} p{108.4 pt} p{108.4 pt} p{108.4 pt} p{108.4 pt}} \hline \hline
**Nanomaterials** & **Methods** & **Results** & **Year** & **Ref.** \\ \hline CdTe/BaFBr:Eu\({}^{2+}\) nanocomposites & - CdTe QD is weak in X-ray emission, so a CdTe/BaFBr:Eu\({}^{2+}\) nanocomposites prepared to evaluate its property. - Analyze the size and structure of nanoparticles by TEM. & - Strength increases as energy is transferred from Eu\({}^{2+}\) to CdTe QD. - As it can be emitted in the near infrared range (650–1100 nm), which is a tissue optical window for in vivo imaging, the possibility of using it as semiconductor/phosphor nanocomposite material is evaluated. & 2006 & [43] \\ \hline CdTe quantum dots and polymer nanocomposites & - After synthesis by adding CdTe QD having various emission ranges to PMMA-based materials, the applicability to the X-ray imaging field was evaluated. - A nanocomposite film containing 0.1–10 wt\% of CdTe QD was prepared and the characteristics were evaluated. - Use of bulk polymerization method to secure transparency & Excellent X-ray emission results including high resolution, fast decay time, afterglow prevention, high stopping power, and excellent spectral matching to the CCD detector & 2011 & [44] \\ \hline CdTe/Cd/CdTe nanocomposites & - LaF\({}_{3}\):Ce/CdTe nanocomposite was prepared to observe the X-ray emission characteristics of CdTe QD & - The X-ray emission of CdTe QD is very weak, but the emission of LaF\({}_{3}\):Ce/CdTe increases (six times) - CdTe QD shows the characteristics of intense photoluminescence and up-conversion light emission, and short decay time characteristics & 2012 & [45] \\ \hline CdTe Photovoltaic Devices & - In order to improve the performance of the CdTe-based solar cell, the developed CdTe fluctreatment was applied to the CdTe of the upper layer structure in which most of the reactions occur. - Improved efficiency by controlling the junction of CdTe-based solar cells & - The CdTe is widely used due to the simplicity of the structure and the efficiency compared to the doped amount, and the efficiency of the CdTe-based solar cell is improved through the CdCl\({}_{2}\) heat treatment method. & 2012 & [46] \\ \hline CdTe quantum dots synthesized using 3-mercaptoethanolpropionic acid acid reduction of cellular dioxide & - A facile one-step synthesis of CdTe quantum dots (QDs) in aqueous solution by atmospheric microwave reactor has been developed using 3-mercaptoethanolpropionic acid reduction of TeO\({}_{2}\) directly. - The obtained CdTe QDs were characterized by ultraviolet–visible spectroscopy, fluorescent spectroscopy, X-ray powder diffraction, multifunctional imaging electron spectrometer (XPS), and high-resolution transmission electron microscopy & - As a result of characterization evaluation after adding the concentration of QD by 0.05–1 wt\%, 0.1 wt\% was analyzed as the most optimized concentration. & 2013 & [47] \\ \hline CdTe & - A plastic detector is manufactured by adding a fluorescent material and a nano material (Gd\({}_{2}\)O\({}_{3}\) or CdTe) to an epoxy-based material. - Evaluating the efficiency using a beta source (Sr-90) & - As a result of characterization evaluation after adding the concentration of QD by 0.05–1 wt\%, 0.1 wt\% was analyzed as the most optimized concentration. & 2013 & [47] \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Progress of CdTe-enabled optical materials. \begin{table}
\begin{tabular}{p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt} p{113.8 pt}} \hline \hline
**Nanaterials** & **Methods** & **Results** & **Year** & **Ref. ** \\ \hline Silver ion-doped CdTe quantum dots & - This is a study to use CdTe QD as a fluorescent probe for Hg\({}^{2+}\) detection & - As a result of investigating the release mechanism of Ag-doped CdTe QD, it shows multiple release in QD samples with high Ag\({}^{+}\) doping concentration & 2020 & [48] \\ Chlorine-like & - The characteristics of the produced QD were analyzed.