Growth, photoluminescence, lifetime, and laser damage threshold studies of 1, 3, 5-triphenylbenzene (TPB) single crystal
- PDF / 1,136,258 Bytes
- 9 Pages / 595.276 x 790.866 pts Page_size
- 68 Downloads / 196 Views
Growth, photoluminescence, lifetime, and laser damage threshold studies of 1, 3, 5‑triphenylbenzene (TPB) single crystal for scintillation application Manikandan Murugesan1 · Rajesh Paulraj1 · Ramasamy Perumalsamy1 · Maurya Kamlesh Kumar2 Received: 27 January 2020 / Accepted: 21 April 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract The 1, 3, 5-triphenylbenzene (TPB) single crystal has been grown using slow cooling seed rotation technique. Optical transmittance of the grown crystal was obtained from UV–Visible analysis. The grown TPB crystal has good transmission in the entire visible region with a lower cutoff wavelength of 330 nm. The solubility of TPB material was determined using toluene as a solvent with different temperatures. The full width at half maximum is 18 arcsec, which indicates that the crystal is of good quality. The TPB crystal was excited (λexc) at 307 nm, and the corresponding emission (λem) has been observed at 352 nm. The laser-induced damage threshold (LDT) value of grown crystal is 1.25 GW/cm2. Third-order nonlinear optical susceptibility χ(3) is determined using the Z-scan technique as 3.07422 × 10–09 esu. The TPB crystal proves its suitability for scintillation applications and optoelectronic device fabrications. Keywords Crystal growth · Solubility · UV–Vis analysis · Lifetime · HRXRD · LDT · Z-scan
1 Introduction The organic materials are having many advantages such as low cost, high optical nonlinearity, low dielectric constant, and fast response time (detection application) compared to the inorganic materials [1–4]. Nonlinear optical materials (NLO) are considered crucial due to their role in the development of technology and its impact on various industries and new potential applications [5, 6]. Organic crystals play a crucial role in different potential applications such as frequency generation, optical fiber communication, and scintillation application. The rapid growth of crystals in a shorter period while maintaining the crystal quality and large size has been a topic of interest for some years now [7–11]. Some of the organic scintillators such as p-terphenyl, anthracene, naphthalene, and stilbene are widely used for fast neutron
* Rajesh Paulraj [email protected] 1
Centre for Crystal Growth, Department of Physics, SSN College of Engineering, Kalavakkam, Tamilnadu 603110, India
Crystal Growth and X‑Ray Analysis Division, CSIR-National Physical Laboratory, New Delhi 110012, India
2
detection in gamma radiation background due to their more hydrogen content which allows for detecting the neutron when proton recoils [12]. The 1, 3, 5-triphenylbenzene (TPB) single crystal is one of the organic scintillator materials for high-energy neutron detection applications, which gives good pulse shape discrimination, and also TPB is an attractive material compared to stilbene for detection application [13]. There are numerous methods to grow organic crystals, mostly solution, and melt growth methods. In the solution growth method, some organic materials fa
Data Loading...
