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the microstructure #P505-15 cell line randurls[1|1|,|CHEM1|]# of as-prepared ZTO nanowires was obtained by HR-TEM. A low-magnification HR-TEM image (Figure 3a) illustrates the numerous ZTO nanowires. Figure 3b reveals the HR-TEM image of an individual ZTO nanowire. The diameter of the nanowire is about 60 nm. The lattice spacing is approximately 0.2612 nm, corresponding to the (002) plane of ZTO (Figure 3c). Figure 3d is a typical SAED pattern taken from an individual nanowire. The SAED pattern reveals that the nanowire is a single-crystalline hexagonal structure growing along the c-axis, i.e., in the (002) direction. Figure 3 HR-TEM images and SAED pattern of ZTO nanowires. (a) The low-magnification HR-TEM image of ZTO nanowires. (b) The high-magnification HR-TEM image of an individual ZTO nanowire. (c) SAED pattern of an individual ZTO nanowire. (d) HR-TEM image of a single ZTO nanowire with lattice fringes. Optical properties of ZTO nanowires UV/Vis/NIR absorption spectra of samples were recorded in an airtight environment at room temperature with a wavelength range of 200 to 700 nm. Figure 4 shows the optical absorption spectra of the ZTO nanowires. Figure 4 UV/Vis/NIR

absorption JAK inhibitor spectra with ZTO nanowires and ( αhν ) 2 versus hν plot (inset). It can be observed that these nanowires have an absorption peak of around 250 nm. Young et al. showed that ZTO thin MYO10 films were grown by RF magnetron sputtering onto glass substrates [11]. They observed a strong absorption of the ZTO film at 350 nm with a grain diameter of about 100 nm. Other research works have shown that nanosized ZTO particles are synthesized by a simple hydrothermal process in a water/ethylene glycol mixed solution using amines (ethylamine, n-butylamine, n-hexylamine, and n-octylamine) as a mineralizer [12]. The grain size of ZTO hexagonal particles varied in that experiment in the range of 40 to 70 nm and had an absorption peak of around 250 nm.

However, our value of absorption peak is smaller than the value of films (350 nm) and is consistent with the value of nanoparticles (250 nm). Our value of absorption peak is reasonable and is consistent with the results found in other research works [11, 12]. In order to determine the nature of the band gap of the nanostructured material, either indirect or direct, the spectral behavior near the fundamental absorption edge can be calculated by considering the following expression of the absorption coefficient (α) versus photon energy (hν) [13]: (1) where hν is the photon energy and E g is the optical band gap corresponding to transitions indicated by the value of n. In particular, n is 1/2, 3/2, 2, and 3 for direct allowed and forbidden transitions, and indirect allowed and forbidden transitions, respectively. Factor A is the constant having separate values for different transitions.