The phrase "an effort to dispel" is correct and usable in written English.
It can be used when describing an attempt to eliminate or reduce a misconception, fear, or doubt.
Example: "The organization launched an effort to dispel myths about the vaccine's safety and efficacy."
Alternatives: "a bid to eliminate" or "an attempt to clarify".
The letter will be made public in an effort to dispel some of the unflattering depictions.
Last Wednesday, the LaFayette Central School District took a major -- and controversial -- step in an effort to dispel that feeling.
The creation and distribution of the Haggadah that started nine years later was an effort to dispel whatever remaining doubts there were about the status of coffee.
In his introduction, though, Mr. McCain made an effort to dispel the idea that he is anti-Russian, a perception that is widespread here.
The British, when faced with dissent, tended to grant political reforms in an effort to dispel the attractiveness of more-radical suggestions.
But the song will likely spark memories of the party's controversial steel band 'carnival' in Croydon, which it hosted in an effort to dispel allegations of racism.
In the federal system, any effort to dispel the myths exposed by Professor Stone would require an honest debate by our senators and the political will to retreat from purely ideological attacks on federal judicial candidates, whether for district courts, courts of appeal or the Supreme Court.
At their core, games are abstract informants against our communal shortcomings, systems that model our frailest qualities in a subconscious effort to dispel them, to imagine a world where they might surpassed.
A good way to start would be by making more effort to dispel some of the damaging myths that still surround the program.
The effort to dispel the idea that the Saudi government played a role in supporting Al Qaeda occurred 17 months after the Congressional committee finished its work on a report that many contended reached a very different conclusion.
Obesity experts applauded this plain-spoken effort to dispel widespread confusion about obesity.
