Supporting information Controlled Synthesis and Optical Properties of Tunable CdSe Quantum Dots and Effect of pH R. K. Ratnesh and Mohan Singh Mehata* Laser-Spectroscopy Laboratory, Department of Applied Technological University, Bawana Road, Delhi-110042, INDIA *Corresponding author E-mail: msmehata@gmail.com 1 Physics, Delhi Figure S1. The energy dispersive X-Ray (EDX) spectra of CdSe Q-dots prepared at temperature of 240 and 300 C. 2