If I publish my PhD thesis chapters, can my thesis be later still published as a monograph
In most places, PhD theses whose chapters are simply reproductions of work published elsewhere is acceptable. At the very least that's the case when you just publish the thesis yourself -- the situation might be different if you publish with a company that will likely insist on transferring your copyright to them.
Regardless of this, as in most of the other questions on this forum, the right answer is almost always &quot;Talk to your adviser&quot;.