PROJECT BG05M2OP001-1.001-0008 | NATIONAL CENTER OF MECHATRONICS AND CLEAN TECHNOLOGIES

Manager: Prof. Dsc. Vera Marinova (IOMT-BAS)

Contacts:

e-mail: vmarinova@iomt.bas.bg

тел. 0886895767

The laboratory performs synthesis of 2D (two-dimensional) materials by Chemical Vapor Deposition (CVD), separation of solutions and particles, deposition of thin coatings by centrifugation, optical and opto-electrical measurements. Potential partners / clients can be research teams at national and international level, as well as companies related to nano-optoelectronics, spintronics (AI), green energy, sensors and health care.

ACTIVITIES

The Laboratory develops nanolayers of two-dimensional materials such as graphene and transition metal chalcogenides, centrifugal separation of solutions and deposition of thin layers, performs optical microscopic analysis, as well as optical and opto-electrical measurements.

  • Controlled synthesis of nanolayers of transition metal chalcogenides on different types of substrates;
  • Controlled synthesis of graphene and transfer on different types of substrates;
  • Synthesis of boron nitride (h-BN);
  • Separation of solutions containing different types of particles by high speed centrifugation and deposition of thin layers by centrifugation;
  • Centrifugal deposition of thin layers in a chemical fume hood;
  • Control of layers with an optical microscope;
  • Performing optical and electro-optical measurements;
  • Assembly of structures and devices for nano-opto-electronics, green energy, sensors and health care.

SERVICES

The offered services are:

  • Controlled synthesis of nanolayers of chalcogenides of transition metals on different types of substrates;
  • Controlled synthesis of graphene and transfer on different types of substrates;
  • Synthesis of boron nitride (h-BN);
  • Separation of solutions containing different types of particles by high speed centrifugation;
  • Optimization of the conditions for deposition of thin layers of different materials and composites;
  • Transfer of thin layers on arbitrary substrates by exfoliation of bulk crystalline materials;
  • Optical Microscope Analyzes;
  • Investigation of light-induced processes, optical and electro-optical characteristics;
  • Assembly of organic-inorganic structures based on 2D nanolayers with photosensitive materials / liquid crystals for applications in photonics;

EQUIPMENT

CVD SYSTEM (PLANARGROW-2S / 2S-TMD)

with two horizontal tubular reactors and two independent temperature zones (maximum temperatures 450 ° С and 1100 °С) for each reactor for deposition of 2D nanolayers of transition metal chalcogenides (TMDCs) and h-BN. Controlled supply of working / reaction gases – Argon and Hydrogen. Exhaust gases scrubber. Fully automated computer-controlled system.

NANO CVD SYSTEM (NANOCVD-8G, MOORFIELD NANOTECHNOLOGY)

for deposition of high quality graphene with a reactor with cold walls and a thermal stand with a small mass for rapid heating and cooling; automatic process control, maximum temperature 1100 °С. Controlled introduction of working gas streams from Argon, Hydrogen and Methane.

SYSTEM FOR SEPARATION OF PARTICLES AND SOLUTIONS AND DEPOSITION OF THIN LAYERS

The system includes:

 

High speed separating centrifuge

Characteristics: Brand – BECKMAN COULTER, Model – ALLEGRA 64R

maximum rotation speed 30,000 rpm;

temperature range from -20 to +40 degrees;

possibility for centrifugation of quantities of 0.250 ml.

Centrifuge for applying thin layers

Characteristics: Laurell Technologies, Model – WS-650Mz-23NPPB

Maximum rotation speed 12,000 rpm;

Acceleration: up to 13,000 rpm;

Vacuum holder;

Pad size: up to 150 mm diameter;

Allows rotation time up to 99 minutes and 59.9 seconds.

SAMPLE PREPARATION SYSTEM FOR NANO COATINGS

including fume hood and spin coater processor (SPIN-150i -NPP Table top, SPS); rotation speed 1 – 12,000 rpm; acceleration up to 30,000 rpm. Suitable for all typical centrifugation processes: cleaning, rinsing / drying, coating, developing and etching.

OLYMPUS BX 53MTRF-S OPTICAL MICROSCOPE

reflection / transmission modes, BF / DF, magnification up to 100x DP23-CU color CMOS camera, 6.4 Mpx, Stream Start 2.4 image processing software

NEWPORT VIBRATION-ISOLATYION OPTICAL TABLES

with laser radiation sources with a wavelength of 532 nm, 500 mW (Cobolt ) and 1064 nm, 3 W (Cobolt)

NEWS