POWER OF ATTORNEY



For Executing Forms 3, 4, 5 and 144



The undersigned hereby constitutes and appoints each of Jess

Jankowski, and Nancy Baldwin, signing singly, as

his true and lawful attorney-in-fact, for such period of time

that the undersigned is required to file reports pursuant to

Section 16(a) of the Securities Exchange Act of 1934, as amended

(the "Exchange Act"), or Rule 144 of the Securities Act of 1933,

as amended (the "Securities Act"), due to his affiliation with

Nanophase Technologies Corporation, a Delaware corporation, unless

earlier revoked by the undersigned in a signed writing delivered

to the foregoing attorneys-in-fact, to:



1) execute for and on behalf of the undersigned Forms 3, 4, 5

and 144 and any amendments to previously filed forms in

accordance with Section 16(a) of the Exchange Act or Rule 144

of the Securities Act and the rules thereunder;



2) do and perform any and all acts for and on behalf of the

undersigned which may be necessary or desirable to complete

the execution of any such Forms 3, 4, 5 and 144 and the

timely filing of such form with the United States Securities

and Exchange Commission and any other authority as required by

law; and



3) take any other action of any type whatsoever in connection

with the foregoing which, in the opinion of such attorney-in-fact,

may be of benefit to, in the best interest of or legally required by

the undersigned, it being understood that the documents executed

by such attorney-in-fact on behalf of the undersigned pursuant to this

Power of Attorney shall be in such form and shall contain such terms

and conditions as such attorney-in-fact may approve in his discretion.



The undersigned hereby grants to each such attorney-in-fact full

power and authority to do and perform all and every act and thing

whatsoever requisite, necessary and proper to be done in the exercise

of any of the rights and powers herein granted, as fully to all intents

and purposes as the undersigned could do if personally present, with

full power of substitution or revocation, hereby ratifying and

confirming all that such attorney-in-fact, or his substitute or

substitutes, shall lawfully do or cause to be done by virtue of

this Power of Attorney and the rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys-in-fact,

in serving in such capacity at the request of the undersigned,

are not assuming any of the undersigned's responsibilities to

comply with Section 16 of the Exchange Act or Rule 144 of the

Securities Act.



IN WITNESS WHEREOF, the undersigned has caused this Power of

Attorney to be executed as of this 27th day of March, 2018.



/s/ Jaime Escobar

Jaime Escobar