[Retracted] Development of Novel Nano-Silver-Based Antenna for Green Agriculture

Table 3

Comparison of the proposed design and the recent works.

Parameters	[6]	[12]	[13]	[15]	Proposed design
Printer used	Dimatix printer 2800 series	Dimatix printer 2800 series	Office printer	Epson C88+	HP DJ 2130 printer
Printer head	Piezo-electric	Piezo-electric	Piezo-electric	Piezo-electric	Thermal head
Cost of the printer	Very expensive ₹20,00,000	Very expensive ₹20,00,000	Cheap ₹42,000	Expensive ₹1,00000	Very cheap ₹3,000
Resonant frequency	904.5 MHz	1.57 GHz	2.45 GHz	—	2.4 GHz
Conductivity of ink	4 × 10^6 S/m	1.6 × 10^6 S/m	1.11 × 10^7 S/m	—	3.57 × 10^7 S/m
Substrate used	Normal paper	Glossy paper	PET	Photo paper	Normal paper
Cost of the ink	Expensive >70000	Expensive >70000	Cheap <30000	—	Cheap <3000
Postprocessing	Annealing processes for 10 hrs in an expensive industrial oven heating	Annealing processes for 4 hrs in an expensive industrial oven heating	Not required	Annealing processes for 90 mins in a commercial oven heating	Not required
Preheating	Heating vacuumed platen up to 60°C	Heating vacuumed platen up to 60°C	Not required	Not required	Not required
Annealing temperature	100	180	Not required	160°C–170°C	Not required
Gain	—	1.67 dB	1.44 dBi	—	2 dBi