The phrase "a potential substitute to" is correct and usable in written English.
It can be used when discussing alternatives or replacements for something, indicating that the substitute may serve the same function or purpose.
Example: "In the quest for sustainable energy, solar power is often considered a potential substitute to fossil fuels."
Alternatives: "a possible alternative to" or "a potential replacement for".
This paper analyzes the possibilities of R290 as a potential substitute to R22.
However, sodium-ion batteries (NIBs) have attracted much attention as a potential substitute to LIBs [6, 7, 8].
Non-wood products can be a potential substitute to fossil fuels.
16 17 These properties make TiO2 a potential substitute to HA as a synthetic OOKP skirt material.
These results indicate that BCA exhibits various toxicity profiles and can be beneficial as a potential substitute to established chemotherapeutic agents.
Further, similar pattern of methylation for both MGMT and p16 genes in tissue and blood samples of premalignant oral lesions and OSCC suggests use of blood as a potential substitute to tissue samples for screening or diagnosing precancer and early malignancy.
Although acellular corneas have been reported to be a potential substitute for allogeneic cornea transplantation to treat corneal injury, severe corneal injury is hard to repair due to inflammation and neovascularization.
AZO has attracted much interest as a potential substitute for ITO due to the abundance of its constituent elements in nature, relatively low deposition temperature, and stability in hydrogen plasma[2, 3].
Online education is more clearly a potential substitute for, rather than complement to, traditional education.It is easy to get caught up in techno-utopian talk about the potential of online education, and similarly easy to dwell on how poor a substitute online learning is for the "traditional" college experience (the value of which graduates seem to inflate the deeper into the past it recedes).
There is good reason to believe that K.S.M. wanted money sent to Moussaoui to prepare him as a potential substitute pilot in the event Jarrah dropped out.
